Name
Chapter
5
1.On a calendar, each day is represented by a rectangle. To keep track of the date, you cross off the
previous day by connecting one pair of opposite corners of the rectangle, as shown.
10
E 177
11
F18
12
b. List the five triangle congruence theorems.
G10
a. Classify AABE by its sides and by measuring its angles. Explain your reasoning.
D
Date
c.For each of the triangle congruence theorems you listed in part (b), prove that AFBC = ACGF
using that theorem. (You will need to write five different proofs.)

Answers

Answer 1

The triangle theorems will be:

Side-Side-Side (SSS) Congruence Theorem:Side-Angle-Side (SAS) Congruence Theorem:Angle-Side-Angle (ASA) Congruence Theorem:Hypotenuse-Leg (HL) Congruence Theorem:Angle-Angle-Side (AAS) Congruence Theorem

How to explain the theorem

Side-Side-Side (SSS) Congruence Theorem: If the three sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent.

Side-Angle-Side (SAS) Congruence Theorem: If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

Angle-Side-Angle (ASA) Congruence Theorem: If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the two triangles are congruent.

Angle-Angle-Side (AAS) Congruence Theorem: If two angles and a non-included side of one triangle are congruent to two angles and the corresponding non-included side of another triangle, then the two triangles are congruent.

Hypotenuse-Leg (HL) Congruence Theorem: If the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and a leg of another right triangle, then the two triangles are congruent.

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Related Questions

Figure A and B are similar. Figure A has a perimeter of 72 meters and one of the side lengths is 18 meters. Figure B has a perimeter of 120 meters Find The missing corresponding side length.

Answers

The missing corresponding side length in Figure B is 30 meters.

Perimeter is the total length of the boundary of a two-dimensional shape. It is found by adding up the lengths of all the sides of the shape.

How can we determine the missing corresponding side length ?

Since Figure A and Figure B are similar, their corresponding side lengths are proportional.

Let's represent the missing side length in Figure B with x. Then, we can set up a proportion to solve for x:

18 / (72 - 3 × 18) = x / (120 - 3 × x)

Here, 72 - 3 × 18 represents the sum of the other three sides in Figure A, and 120 - 3 × x represents the sum of the other three sides in Figure B.

Simplifying the left-hand side, we get:

18 / (72 - 3 × 18) = 18 / 18 = 1

Substituting this into the proportion, we get:

1 = x / (120 - 3 × x)

Multiplying both sides by (120 - 3 × x), we get:

120 - 3 × x = x

Simplifying and solving for x, we get:

4x = 120

x = 30

Therefore, the missing corresponding side length in Figure B is 30 meters.

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Heights for 16-year-old boys are normally distributed with a mean of 68. 3 in. And a standard


deviation of 2. 9 in.


Find the z-score associated with the 96th percentile.


Find the height of a 16-year-old boy in the 96th percentile.


State your answer to the nearest inch

Answers

The height of a 16-year-old boy in the 96th percentile is approximately 73 inches. Rounded to the nearest inch, the answer is 73 inches.

Find out the height of a boy in the  96th percentile?

To find the z-score associated with the 96th percentile, we need to find the z-score such that the area to the right of it under the standard normal distribution is 0.96. Using a standard normal distribution table or calculator, we find that the z-score is approximately 1.75.

Next, we can use the z-score formula to find the height of a 16-year-old boy in the 96th percentile:

z = (x - μ) / σ

where z is the z-score, x is the height we want to find, μ is the mean height, and σ is the standard deviation.

Plugging in the values we have:

1.75 = (x - 68.3) / 2.9

Multiplying both sides by 2.9, we get:

x - 68.3 = 5.075

Adding 68.3 to both sides, we get:

x = 73.375

So the height of a 16-year-old boy in the 96th percentile is approximately 73 inches. Rounded to the nearest inch, the answer is 73 inches.

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QUESTION IN PHOTO I MARK BRAINLIEST

Answers

The value of x in the intersecting chord is determined as 18.6.

What is the value of x?

The value of x is calculated by applying intersecting chord theorem, which states that the angle at center is equal to the arc angle of the two intersecting chords.

m ∠EDF  = arc angle EF

50 = 5x - 43

The value of x is calculated as follows;

5x = 50 + 43

5x = 93

divide both sides by 5;

5x/5 = 93/5

x = 18.6

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A feeder at the zoo in the shape of a cone has a radius of 3 inches. It holds about 113. 04 cubic inches of food. Approximate it's height to the nearest inch. Use 3. 14 to approximate the value of pi


12



18



36

Answers

The height of the feeder is approximately 4 inches.

We can use the formula for the volume of a cone, which is V = (1/3)π[tex]r^{2}[/tex]h, where V is the volume, r is the radius, and h is the height. We know that V = 113.04 and r = 3, so we can solve for h:

113.04 = (1/3)*π*([tex]3^{2}[/tex])h

113.04 = 9πh

h = 113.04 / (9π)

h ≈ 4 inches

The y- intercept of a direct equation is the point where the line crosses the y- axis. It's the value of y when x is equal to 0.   To graph a direct equation, you can  compass the y- intercept on the y- axis, and  also use the  pitch to find other points on the line.

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Trudy takes out an easy access loan for $500. It cost her $10 for every $100 and a one-time fee of


$150. How much did it cost Trudy to get the loan for $500?


A $250


B $300


C$200


D Not Here

Answers

It cost Trudy $200 to get the loan for $500. The correct answer is C) $200.

Trudy has taken a loan of $500, and the cost of the loan is $10 for every $100 borrowed. Therefore, the cost of borrowing $500 will be:

Cost of borrowing $500 = ($10/$100) * $500 = $50

In addition to the above cost, there is a one-time fee of $150 to be paid. So, the total cost of the loan will be:

Total cost of the loan = Cost of borrowing + one-time fee

= $50 + $150

= $200

Hence, it cost Trudy $200 to get the loan for $500.

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2


How much water will a cone hold that has a diameter of 6 inches and a height of 21 inches.


Use 3. 14 for 7 and round your answer to the nearest whole number.


A 66 cubic inches


B 198 cubic inches


C) 594 cubic inches


D 2374 cubic inches

Answers

The volume of water a cone with a diameter of 6 inches and a height of 21 inches can hold is 198 cubic inches. So, the correct answer is B) 198 cubic inches.

To find the volume of water a cone with a diameter of 6 inches and a height of 21 inches can hold, we will use the formula for the volume of a cone: V = (1/3)πr²h.

Given a diameter of 6 inches, the radius (r) is 3 inches. The height (h) is 21 inches, and we will use 3.14 as an approximation for π.

V = (1/3) * 3.14 * (3²) * 21
V = (1/3) * 3.14 * 9 * 21
V = 3.14 * 3 * 21
V = 197.82 cubic inches

Rounding to the nearest whole number, the volume of water the cone can hold is approximately 198 cubic inches. Therefore, the answer is B) 198 cubic inches.

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Willka can cover 13. 5 m² with 3 L of paint.


Complete the table using equivalent ratios.


Area covered (in)


Paint (L)


13. 5


3


1


10

Answers

Willka would need approximately 0.2222 L of paint to cover 1 m² and approximately 2.2222 L of paint to cover 10 m².

Willka can cover 13.5 m² with 3 liters of paint. To find equivalent ratios, we can determine how much paint is needed to cover 1 m² and then use that to find how much paint is required for other areas.

To find the amount of paint needed for 1 m², divide the area covered by the paint used:
1 m² = (13.5 m²)/(3 L) = 4.5 m²/L

Now, we can use this ratio to complete the table:

Area covered (m²) - Paint (L)
13.5               - 3
1                  - (1/4.5) = 0.2222 L (approximately)
10                 - (10/4.5) = 2.2222 L (approximately)

So, the completed table is:

Area covered (m²) - Paint (L)
13.5               - 3
1                  - 0.2222
10                 - 2.2222

Using equivalent ratios, Willka would need approximately 0.2222 L of paint to cover 1 m² and approximately 2.2222 L of paint to cover 10 m².

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PLS HELP! URGENT!!!! A circular flower bed is 20 m in diameter and has a circular sidewalk around it that is 3 m wide. Find the area of the sidewalk in square meters. Use 3. 14 for pi

Answers

The area of the sidewalk in square meters is 69π.

To find the area of the sidewalk, we need to subtract the area of the flower bed from the area of the outer circle formed by the sidewalk.

First, we need to find the area of the flower bed. We know that the diameter of the flower bed is 20 m, so the radius is half of that, which is 10 m. We can use the formula for the area of a circle, which is A = πr^2, where A is the area and r is the radius.

Area of flower bed = π(10m)^2 = 100π square meters

Next, we need to find the area of the outer circle formed by the sidewalk. Since the sidewalk is 3 m wide, the radius of the outer circle will be 10 + 3 = 13 m (10 m for the flower bed radius plus 3 m for the width of the sidewalk).

Area of outer circle = π(13m)^2 = 169π square meters

Finally, we can find the area of the sidewalk by subtracting the area of the flower bed from the area of the outer circle:

Area of sidewalk = Area of outer circle - Area of flower bed
Area of sidewalk = (169π) - (100π)
Area of sidewalk = 69π square meters

Therefore, the area of the sidewalk in square meters is 69π, or approximately 216.6 square meters (if we use 3.14 for π).

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Given the differential equation dy/dx = x-3/y, find the particular solution, y = f(x) with initial condition f(6) = -2

Answers

The particular solution of the given differential equation with the initial condition f(6) = -2.

To find the particular solution of the given differential equation dy/dx = (x-3)/y with the initial condition f(6) = -2, we first need to solve the differential equation. This is a first-order separable equation, so we can rewrite it as:

y dy = (x - 3) dx

Now, integrate both sides:

∫y dy = ∫(x - 3) dx

(1/2)y^2 = (1/2)x^2 - 3x + C

Now, apply the initial condition f(6) = -2:

(1/2)(-2)^2 = (1/2)(6)^2 - 3(6) + C

(1/2)(4) = (1/2)(36) - 18 + C

2 = 18 - 18 + C

C = 2

So the particular solution is:

(1/2)y^2 = (1/2)x^2 - 3x + 2

This is the particular solution of the given differential equation with the initial condition f(6) = -2.

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Write a division expression for each fraction 1/2

Answers

Answer: 1  ÷ 2

Step-by-step explanation: I think this is what you mean?

Decide whether the triangles are similar. If so, determine the appropriate expression to solve for x.

Triangles ABC and EDF; triangle ABC has angle A measuring 53 degrees, angle C measuring 62 degrees, side AC labeled as y, side AB labeled as w, and side BC labeled as x; triangle EDF has angle D measuring 61 degrees, angle F measuring 53 degrees, side DE labeled z, side EF labeled u, and side DF labeled r.

The triangles are not similar; no expression for x can be found.
ΔABC ~ ΔDEF; x equals r times w over u
ΔABC ~ ΔEFD; x equals r times w over u
ΔABC ~ ΔEFD; x equals r times w over z

Answers

The triangles ABC and EDF are similar, and x = r × w/u.

As per the question, we have angle A in triangle ABC congruent to angle F in triangle EDF, angle C in triangle ABC congruent to angle D in triangle EDF, and angle B in triangle ABC congruent to angle E in triangle EDF.

Therefore, the triangles are similar by the Angle-Angle (AA) similarity theorem.

To find the expression for x, we can use the fact that the corresponding sides of similar triangles are proportional.

In this case, we have:

x/w = u/r (corresponding sides of similar triangles)

Solving for x, we get:

x = r × w/u

Therefore, x = r × w/u, and it can use this expression to solve for x in triangle ABC and EDF.

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5)


The population of Sanibel, Florida can


be modeled by P = 6191 · 1. 05t,


where t is the number of years since


2016. What was the population in


2016? What percent did the


population increase by each year?

Answers

The population increased by a percentage of 5%.

The population of Sanibel, Florida in 2016 can be determined using the given population model P = 6191 * 1.05^t, where t represents the number of years since 2016. To find the population in 2016, we set t to 0 since there are 0 years since 2016.

Step 1: Set t to 0 in the equation:
P = 6191 * 1.05^0

Step 2: Calculate the population P:
P = 6191 * 1
P = 6191

So, the population in Sanibel, Florida in 2016 was 6,191.

Regarding the percent population increase each year, the given model uses an exponential growth formula with a constant factor of 1.05. The factor (1.05) represents a 5% increase in the population each year.

In summary, the population in Sanibel, Florida in 2016 was 6,191, and the population increases by 5% each year. This exponential growth model demonstrates how the population continues to grow at a steady rate, contributing to the overall population increase in the area.

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If the volume of the cube is (4)(4)(4) =
64 cm3, what is the volume of the oblique
prism if it has been tilted at 60°?

Answers

The volume of the oblique prism is approximately 55.424 cm³.

The volume of the cube is given as 64 cm³, which means that each side of the cube has a length of 4 cm.

To find the volume of the oblique prism, we need to know the area of the base and the height. The base of the oblique prism is a parallelogram, and we can find its area using the formula:

area = base × height

where the base is the length of one side of the parallelogram, and the height is the perpendicular distance between the base and the opposite side.

Since the parallelogram is tilted at an angle of 60°, we need to find the perpendicular height by using trigonometry. The height of the parallelogram is given by:

height = (side length) × sin(60°)

height = 4 × sin(60°)

height = 4 × 0.866 = 3.464

Therefore, the area of the base is:

area = (side length) × height

area = 4 × 3.464 = 13.856 cm²

To find the volume of the oblique prism, we multiply the area of the base by the height of the prism. Since the height of the prism is also 4 cm (the same as the side length of the cube), we have:

volume = area of base × height

volume = 13.856 × 4 = 55.424 cm³

Therefore, the volume of the oblique prism is approximately 55.424 cm³.

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Which set of ordered pairs represents a proportional relationship? A. {(4, 1), (0, 0), (6, 2), (8, 4)} B. {(2, 1), (4, 3), (8, 9), (16, 27)} C. {(2, 3), (6, 9), (10, 15), (22, 33)} D. {(4, 9), (7, 12), (10, 15), (18, 23)}

Answers

Answer:

C.

Step-by-step explanation:

3 = 1.5 * 2

9 = 1.5 * 6

15 = 1.5 * 10

33 = 1.5 * 22






please help i’ll give brainlist :)










1. A forest fire has been burning for several days. The burned area in acres, is given by


the equation y = (4. 800) 2 where d is the number of days since the area of the


fire was first measured



a. Complete the table



b. Look at the value of y = 4,800 2d when d = -1 what does it tell you about the area burned in the fire? what about when d = -3?




c. How much area had the fire burned a week before it measured 4,800 acres, explain your reasoning

Answers

The fire had burned half the area (2,400 acres) one week before it measured 4,800 acres.

How to evaluate Days (d) and Burned area (y), the area burned in the fire, and the area the fire has burned a week before it measured 4,800 acres?

a. To complete the table, we substitute the values of d and evaluate the expression for y.

Days (d)      Burned area (y)

0                      0

1                      23,040

2                      92,160

3                      207,360

4                         368,640

b. When d = -1, the value of y = (4,800)^(2*(-1)) = (4,800)^(-2) = 3.255e-8. This value is very small, indicating that the burned area was negligible or not measurable at this point in time.

When d = -3, the value of y = (4,800)^(2*(-3)) = (4,800)^(-6) = 1.130e-34. This value is extremely small, indicating that there was essentially no burned area at this point in time.

c. To determine the number of days before the fire measured 4,800 acres, we need to solve the equation y = (4,800)^2 for d.

4,800^2 = (4,800)^2d

1 = 2dlog(4,800)

d = log(4,800) / (2log(4,800)) = 0.5

Therefore, the fire had burned half the area (2,400 acres) one week before it measured 4,800 acres. This is because the area burned increases quadratically with time, so the area burned one week before is the square root of the area measured at the time.

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2. Iwo functions t and g are definea on the set R of real numbers by f: x x² - 2x - 4. g: x → X - 1 Find the value fx for which f(x) = (x) = m - 4.​

Answers

Answer:

We are given that:

- f(x) = x² - 2x - 4

- g(x) = x - 1We want to find fx for which f(x) = g(x) - 4, or in other words:

- f(x) = x - 1 - 4

- f(x) = x - 5

We can solve forTo find the value of x for which f(x) = g(x) - 4 (which is what I assume you meant by "f(x) = (x) = m - 4"), we can set up the following equation:

f(x) = g(x) - 4

Substituting the given expressions for f(x) and g(x), we get:

x² - 2x - 4 = x - 1 - 4

Simplifying, we have:

x² - 3x - 3 = 0

We can solve for x using the quadratic formula:

x = (-(-3) ± sqrt((-3)² - 4(1)(-3))) / (2(1))

x = (3 ± sqrt(21)) / 2

Therefore, the two values of x for which f(x) = g(x) - 4 are:

- x = (3 + sqrt(21)) / 2

- x = (3 - sqrt(21)) / 2

Gareth pays $60 for 9m of climbing rope. How much will Sophie pay for 15m at the same store?

Answers

Sophie will pay money equivalent to $100 for 15m at the same store.

What is Money?

The term "money" in mathematics refers to a form of payment, such as bills, coins, and demand deposits, that is used to purchase goods and services. Money is used to pay for the worth or price of an item or service.

A country's monetary system is referred to as its currency.

In the case of Gareth,

Money paid for 9 m of climbing [tex]=\$60[/tex]

Money paid per m of climbing [tex]=\$60\div9[/tex]

Thus, money paid by Sophie for 15 m of climbing [tex]= 15 \times (60\div9)[/tex]

[tex]\boxed{\bold{= \$100}}[/tex]

Hence Sophie will pay money equivalent to $100 for 15m at the same store.

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Answer:

$100

Step-by-step explanation:

We know that for 9m of rope, Gareth had to pay $60.

The question is asking us to find out how much Sophie will pay for 15m of rope.  To do this, we have to find out how much is paid per meter of rope.

[tex]60/9\\=6\frac{2}{3}[/tex]

For the sake of not using fractions, let's keep it as an improper fraction: 60/9

So, we can write an equation for the price of 15m of rope:

(60/9)·15

=100

So, Sophie will pay $100 for 15m of rope.

Hope this helps! :)

(65 points) ASAP!!! Warren is building shelves for his 3-D printed model collection. He has a piece of wood that is 4.5 feet long. After cutting five equal pieces of wood from it, he has 0.7 feet of wood left over.

Part A: Write an equation that could be used to determine the length of each of the five pieces of wood he cut. (1 point)

Part B: Explain how you know the equation from Part A is correct. (1 point)

Part C: Solve the equation from Part A. Show every step of your work. (2 points)

Answers

Answer:

Total wood = 4.5 Left over wood = 0.7 let 1 piece of wood = x

hence we have 5x+0.7=4.5

5x=4.5 - 0.7

5x = 3.8 x= 3.8/5 = 0.76 ft

Step-by-step explanation:

Answer:

A: 5x + 0.7 = 4.5

B: You know the equation is correct because it takes into account that Warren cut five pieces of wood that are equal in length from a 4.5 feet long piece of wood. The total length of the five pieces of wood should equal the length of the original piece of wood, minus the leftover wood he has. In other words, 5x represents the total length of the five pieces of wood cut, and 0.7 represents the amount of wood left over after the cutting.

C: 0.76 feet

Step-by-step explanation:

Part A:

Let x be the length of each of the five pieces of wood cut from the 4.5 feet long piece of wood. The equation that could be used to determine the length of each piece is:

5x + 0.7 = 4.5

Part B:

You know the equation is correct because it takes into account that Warren cut five pieces of wood that are equal in length from a 4.5 feet long piece of wood. The total length of the five pieces of wood should equal the length of the original piece of wood, minus the leftover wood he has. In other words, 5x represents the total length of the five pieces of wood cut, and 0.7 represents the amount of wood left over after the cutting.

Part C:

5x + 0.7 = 4.5

5x = 4.5 - 0.7

5x = 3.8

x = 3.8/5

x = 0.76

Therefore, each of the five pieces of wood that Warren cut is 0.76 feet long.

what are the outcomes

A 6 sided number cube is rolled 5 times

Answers

Answer:

7776 outcomes

Step-by-step explanation:

To get the total number of outcomes we multiply the total number of possibilities for each roll. Since there are 5 rolls, the total number of outcomes will be:

6 x 6 x 6 x 6 x 6 = 7776 outcomes

At a real estate​ agency, an agent sold a house for ​$315000. the commission rate is ​%6.5 for the real estate agency and the commission rate for the agent is ​%20 of the amount the real estate agency gets. how much did the agency make on the​ house? how much did the agent earn in​ commission?

part 2
the agent earned ​$ in commission.

Answers

If the commission rate is ​%6.5 for the real estate agency, the real estate agency made $20,475 on the house. The agent earned $4,095 in commission.

First, let's determine the commission earned by the real estate agency. To do this, we'll multiply the house price ($315,000) by the commission rate (6.5%).

$315,000 * 6.5% = $20,475

The real estate agency made $20,475 on the house.

Next, let's determine the commission earned by the agent. We'll multiply the commission earned by the real estate agency ($20,475) by the agent's commission rate (20%).

$20,475 * 20% = $4,095

The agent earned $4,095 in commission.

So, the real estate agency made $20,475 on the house, and the agent earned $4,095 in commission.

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5. Betty will spend $375. 00 on a new lawnmower. She will use her credit card to withdraw $400


cash to pay for the lawnmower. The credit card company charges a $6. 00 cash-withdrawal


fee and 3% interest on the borrowed amount, but not including the cash-withdrawal fee. How


much will Betty owe after one month?

Answers

The amount Betty will owe after one month is $418,

Betty will owe more than $400 after one month because of the cash-withdrawal fee and interest charges. The cash-withdrawal fee is a one-time charge of $6.00, which means Betty's total borrowed amount is $406.00.

The interest on this amount at a rate of 3% for one month is calculated by multiplying the borrowed amount by the interest rate and time, giving $12.18.

Therefore, Betty will owe $418.18 after one month, which is the borrowed amount plus the cash-withdrawal fee and interest charges.

It's important to be aware of the additional fees and charges associated with borrowing on a credit card, as they can significantly increase the amount owed and lead to financial difficulties if not managed properly.

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Lucinda has already earned $30 walking dogs. She earns $3 per dog walked, and she needs at least $80 to buy more leashes. Write and solve an inequality to determine how many more dogs Lucinda will need to walk to have at least $80.

Answers

I would say she has to walk 17 dogs, im not sure if that's correct though

Let's assume that Lucinda needs to walk "x" more dogs to have at least $80. Then, the amount of money she will earn from walking those "x" dogs can be calculated by multiplying the number of dogs by the amount of money earned per dog, which is $3:

Amount of money earned from walking "x" dogs = $3x

To determine how many more dogs Lucinda needs to walk to have at least $80, we can write the following inequality:

$30 + $3x ≥ $80

Simplifying the inequality, we get:

$3x ≥ $50

Dividing both sides by 3, we get:

x ≥ 16.67

Since we can't walk a fraction of a dog, we need to round up to the nearest whole number. Therefore, Lucinda needs to walk at least 17 more dogs to have at least $80.

A rhombus has a perimeter of 88 and


two acute angles that measure 40° each.


Find the length of the shorter diagonal.


PLEASE HELP ME ASAP

Answers

The length of the shorter diagonal is approximately 7.07 units.

A rhombus is a four-sided polygon in which all sides are equal in length. It is also called a diamond shape because it is often used for diamond-shaped figures. In this case, we are given that the perimeter of the rhombus is 88. Since all sides of the rhombus are equal, we can divide the perimeter by 4 to find the length of one side.

88 ÷ 4 = 22

Therefore, each side of the rhombus measures 22 units.

We are also given that two of the angles in the rhombus are acute angles measuring 40° each. Since all angles in a rhombus are equal, we can find the measure of the other two angles by subtracting the sum of the acute angles from 360.

360 - 2(40) = 280

Each of the other two angles measures 140°.

To find the length of the shorter diagonal, we can use the formula:

Shorter diagonal = (2 × Area) / Length of longer diagonal

The area of a rhombus can be found by multiplying the length of the longer diagonal by the length of the shorter diagonal and then dividing by 2.

Area = (diagonal1 × diagonal2) / 2

We know that the longer diagonal is twice the length of the shorter diagonal.

Longer diagonal = 2 × Shorter diagonal

Substituting these values into the formula, we get:

Shorter diagonal = (2 × (22 × Shorter diagonal × sin 40°)) / (2 × Longer diagonal)

Simplifying, we get:

Shorter diagonal = (22 × Shorter diagonal × sin 40°) / Longer diagonal

Plugging in the values we know, we get:

Shorter diagonal = (22 × Shorter diagonal × sin 40°) / (2 × Shorter diagonal)

Shorter diagonal = 11 × sin 40°

Using a calculator, we can find that:

Shorter diagonal ≈ 7.07

Therefore, the length of the shorter diagonal is approximately 7.07 units.

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The cost of manufacturing a certain type of headphone varies inversely as the number of headphones increases. If 8000 headphones can be manufactured for $8. 00 each, find the cost to manufacture 2000 headphones

Answers

The cost to manufacture 2000 headphones as the number of headphones varies inversely with the cost of manufacture is $32

Let x = number of headphones

y = cost of manufacturing headphones

The cost of manufacturing a certain type of headphones is inversely proportional to the number of headphones.

The equation for inversely proportional is

x₁ y₁ = x₂ y₂

x₁ = 8000 , y₁ = 8 , x₂ = 2000 y₂ = ?

Putting the value in the equation we get ,

8000 × 8 = 2000 × y₂

64000/2000 = y₂

y₂ = 32

Cost of manufacturing 2000 headphones is 32 .

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Solich sandwich shop had the following long-term asset balances as of december 31, 2021: accumulated cost depreciation book value land $ 77,000 − $ 77,000 building 442,000 $ (83,980 ) 358,020 equipment 245,000 (46,400 ) 198,600 patent 160,000 (64,000 ) 96,000 solich purchased all the assets at the beginning of 2019 (3 years ago). the building is depreciated over a 20-year service life using the double-declining-balance method and estimating no residual value. the equipment is depreciated over a 10-year useful life using the straight-line method with an estimated residual value of $13,000. the patent is estimated to have a five-year service life with no residual value and is amortized using the straight-line method. depreciation and amortization have been recorded for 2019 and 2020. problem 7-7a part 1 required: 1. for the year ended december 31, 2021, record depreciation expense for buildings and equipment. land is not depreciated. (if no entry is required for a transaction/event, select "no journal entry required" in the first account field.)

Answers

No journal entry is required for the land since it is not depreciated.

To record depreciation expense for buildings and equipment for the year ended December 31, 2021, we need to calculate the depreciation amounts for each asset based on their respective methods.

For the building, we will use the double-declining-balance method. The annual depreciation expense is calculated as (2 / 20) x $442,000 = $44,200. Since depreciation has already been recorded for 2019 and 2020, the accumulated depreciation balance for the building as of December 31, 2020 is $83,980. Therefore, the 2021 depreciation expense for the building is $44,200 - $83,980 = $(-39,780). We record this as follows:

Building Depreciation Expense: $39,780
 Accumulated Depreciation - Building: $39,780

For the equipment, we will use the straight-line method. The annual depreciation expense is calculated as ($245,000 - $13,000) / 10 = $23,200. Since depreciation has already been recorded for 2019 and 2020, the accumulated depreciation balance for the equipment as of December 31, 2020 is $46,400. Therefore, the 2021 depreciation expense for the equipment is $23,200, and we record it as follows:

Equipment Depreciation Expense: $23,200
 Accumulated Depreciation - Equipment: $23,200

No journal entry is required for the land since it is not depreciated.
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The function f(x) = 454 + 0.9x gives the cost, in dollars, of manufacturing x vinyl records. select all the true statements. the initial cost for manufacturing records depends on the quantity ordered. the initial cost for the manufacturing is $454, regardless of the number of records ordered. in addition to the initial cost, each record costs $0.90 to manufacture. in addition to the initial cost, each record costs $454 to manufacture. each record costs a total of $454.90 to manufacture.

Answers

The true statements are:

The initial cost for manufacturing records is $454, regardless of the number of records ordered.

In addition to the initial cost, each record costs $0.90 to manufacture.

Each record costs a total of $454.90 to manufacture.

As according to the question the function f(x)= 454+0.9x gives the cost, in dollars, of manufacturing x vinyl records.

Hence the incorrect statements are:

"The initial cost for manufacturing records depend on the quantity ordered".

"in addition to the initial cost, each record costs $454 to manufacture".

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Sketch a profit function P(q) satisfying the following: the domain is 0 ?q? 20,000; marginal profit is negative for 10,000 < q < 15,000 and nowhere else; P has an inflection point at q = 13,000; the break-even point is q = 2000; and marginal profit is constant for q > 17,000.

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P(q) has a concave down inflection at q=13,000, negative marginal profit between q=10,000 to 15,000, constant marginal profit after q=17,000, and breaks even at q=2000.

One possible profit function that satisfies the given conditions is:

P(q) = -0.002(q-13,000)^3 + 20q - 40,000

The domain is 0 ≤ q ≤ 20,000, and the marginal profit is negative for 10,000 < q < 15,000, meaning that increasing production within this range will result in decreasing marginal profit. The inflection point at q = 13,000 indicates a change in the concavity of the profit function.

The break-even point is q = 2000, which means that the profit function crosses the x-axis at this point.

For q > 17,000, the marginal profit is constant, indicating that the profit function becomes linear beyond this point. This profit function satisfies all the given conditions and can be used to model the profit of a business or a product as a function of production quantity.

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In rhombus YZAB, if YZ=12, find AB.​

Answers

The length of side AB is also 12 units.

What is a rhombus?

A rhombus is a four-sided quadrilateral with all sides of equal length. It is also known as a diamond or a lozenge. In a rhombus, opposite sides are parallel, and opposite angles are equal. Additionally, the diagonals of a rhombus bisect each other at right angles, meaning they intersect at a 90-degree angle and divide each other into two equal segments.

Since a rhombus has all sides of equal length, we know that YZ = AB. Therefore, if YZ = 12, we have:

AB = YZ = 12

So the length of side AB is also 12 units.

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Suppose a square had an area measured in square inches, with a numerical value that is 12 more than that of its perimeter, measured in inches.


Write an equation that can be used to find the dimensions of the square

Answers

The dimensions of the square are 6 inches by 6 inches.

Let's assume that the side of the square is equal to x inches. Then, the area of the square can be expressed as x^2 square inches. The perimeter of the square is equal to 4 times the length of the side, or 4x inches.

According to the problem, the area of the square is 12 more than its perimeter, so we can write:

x^2 = 4x + 12

This is the equation we can use to find the dimensions of the square. To solve for x, we can rearrange the equation:

x^2 - 4x - 12 = 0

Then, we can use the quadratic formula:

x = (-b ± √(b^2 - 4ac)) / 2a

where a = 1, b = -4, and c = -12.

Plugging in these values, we get:

x = (-(-4) ± √((-4)^2 - 4(1)(-12))) / 2(1)

x = (4 ± √64) / 2

x = (4 ± 8) / 2

Therefore, the two possible solutions are:

x = 6 or x = -2

Since the side of a square cannot be negative, the only valid solution is x = 6.

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Consider the series Σ(1) с (where c is a constant). For which values of c will the series converge, and for which it diverge? Justify your answer, and show all your work. (Hint: Use the root test)

Answers

To determine whether the series Σ(1) с converges or diverges, we can use the root test. The root test states that if the limit of the absolute value of the nth root of the terms of the series approaches a value less than 1, then the series converges. If the limit approaches a value greater than 1, the series diverges. If the limit equals 1, the test is inconclusive and another test should be used.

Using the root test, we have:

lim┬(n→∞)⁡〖|1^(1/n) c| = lim┬(n→∞)⁡|c| = |c|〗

If |c| < 1, then the limit approaches a value less than 1 and the series converges. If |c| > 1, then the limit approaches a value greater than 1 and the series diverges. If |c| = 1, then the test is inconclusive.

Therefore, the series Σ(1) с converges if |c| < 1, and diverges if |c| > 1. If |c| = 1, then another test should be used to determine convergence or divergence.
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