Bo and Erica are yoga instructors. Between the two of them, they teach 43 yoga classes each week. If Erica teaches 11 fewer than twice as many as Bo, how many classes does each instructor teach per week?

Answers

Answer 1

Answer:

Erica teaches 32.33 or 32 classes

Bo teaches 10.67 or 10 classes

Step-by-step explanation:

B + E = 43

E - 11 = 2B

B + E = 43

E = 43 - B

E - 11 = 2B

(43 - B) - 11 = 2B

B = 10.67 = 10

B + E = 43

(10.67) + E = 43

E = 32.33 = 32


Related Questions

You roll a number cube two times. Which of the theoretical probabilities are accurate
P(1 then 0)= 1/2
P(even number then odd number)= 1/4
P( 6 then 2) = 1/36
P(even number then 5) =1/12
P(odd number than 2) = 1/6

Answers

You roll a number cube two times. The theoretical probabilities are accurate is P(even number then odd number)= 1/4

Probability:

Probability is the likelihood of something happening. When we are unsure of the outcome of an event, we can talk about the likelihood of certain outcomes - how likely are they to occur. The analysis of events governed by probability is called statistics.

According to the Question:

Let P(E), P(H), and P(E and H) be the probabilities of rolling an even number on a die, heads on a coin, and heads, respectively.

We know,

P(E and H) = P(E)×P(H)

Now, to find P(E and H), we have to find P(E) and P(H).

Total number of possible results of a die roll = 6

Favorable results of an event E = {2, 4, 6}

∴ Number of favorable results of an event E = 3

Therefore,

P(E) = number of favorable results of an event event E / possible results The total number of

⇒ P(E)=3/6=1/2

There are two possibilities for tossing a coin = {H, T}

∴ Probability of heads on a flip coin = P(H)= 1/2

Finally, the probability that

Lewis gets an even number and flips heads =

1/2×1/2 = 1/4

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Alfred is developing his own recipe for a fruit cake and is experimenting with the amount of caster sugar to use. Zeena Do His first attempt needed This needed less caster sugar, so he decreased the amount used in his second attempt by 18% for his third attempt. more caster sugar, so he increased the amount used by 35% for his second attempt. His third attempt used 376.38 g of caster sugar. Work out how much caster sugar, in grams (g), his first attempt used. Watch video Answe ENG UK​

Answers

The amount of caster sugar used in the first attempt is given as follows:

340 g.

How to obtain the amount of caster sugar used?

The amount of caster sugar used in the first attempt is obtained applying the proportions in the context of the problem.

The expressions for each attempt are given as follows:

First attempt -> unknown -> represented by variable x.Second attempt -> Increased by 35% relative to first attempt -> 1.35x.Third attempt -> decreased by 18% relative to second attempt -> 0.82 x 1.35x = 1.107x.

The amount used on the third attempt was of 376.38 g, hence the amount used on the first attempt is obtained as follows:

1.107x = 376.38

x = 376.38/1.107

x = 340 g.

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mario is solving the system of linear equations using the elimination method. first equation: 3x-6y=8 second equation: 2x+3y=-1 which operation will eliminate one of the variables? A. multiplying the first equation by 2 B. multiplying the first equation by 6 C. multiplying the second equation by 2 D. multiplying the second equation by 6.

Answers

The correct answer is A. Multiplying the first equation by 2 will eliminate the variable y.

What is elimination method?

The elimination method is a common technique used to solve a system of linear equations. In this method, we manipulate the equations by adding or subtracting them to eliminate one of the variables, so that we can solve for the other variable.

According to question:

To eliminate one of the variables, we need to choose one of the equations and multiply it by a constant that will make the coefficient of one of the variables in that equation equal to the coefficient of the same variable in the other equation, but with the opposite sign. Then, when we add the two equations together, the term with that variable will be eliminated.

Looking at the given equations, we can see that if we multiply the first equation by 2, we will get:

6x - 12y = 16

And if we add this equation to the second equation, we get:

6x - 12y + 2x + 3y = 16 - 1

Simplifying this, we get:

8x - 9y = 15

Now we have one equation with only x and y, and we can use this equation and either of the original equations to solve for x and y using the substitution method.

Therefore, the correct answer is A. Multiplying the first equation by 2 will eliminate the variable y.

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Calculate the average rate of change in the graph from time t=0.5 to t=0.75. Include units on your final answer.

Answers

[tex]\begin{array}{llll} f(x)~from\\\\ x_1 ~~ to ~~ x_2 \end{array}~\hfill slope = m \implies \cfrac{ \stackrel{rise}{f(x_2) - f(x_1)}}{ \underset{run}{x_2 - x_1}}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} t_1=0.5\\ t_2=0.75 \end{cases}\implies \cfrac{f(0.75)-f(0.5)}{0.75 - 0.5}\implies \cfrac{7.744-6.275}{0.75-0.5} \\\\\\ \cfrac{1.469}{0.25}\implies 5.876~\frac{meters}{second}[/tex]

(3x -1 ) (x+1)- 3x(x+1)=7

Answers

Answer:

x = - 8

Step-by-step explanation:

(3x - 1)(x + 1) - 3x(x + 1) = 7 ← factor out (x + 1) from each term

(x + 1)(3x - 1 - 3x) = 7

(x + 1)(- 1) = 7 ( multiply both sides by - 1 )

x + 1 = - 7 ( subtract 1 from both sides )

x = - 8

Answer:

[tex]\bf x=-8[/tex]

Step-by-step explanation:

[tex]\bf (3x -1 ) (x+1)- 3x(x+1)=7[/tex]

Expand:-

[tex]\bf 3x^2+2x-1-3x\left(x+1\right)[/tex]

[tex]\bf 3x^2+2x-1-3x^2-3x[/tex]

Combine like terms:-

[tex]\bf (3x^2-3x^2)+(2x-3x)-1[/tex]

[tex]\bf -x-1=7[/tex]

Add 1 to both sides:-

[tex]\bf -x-1+1=7+1[/tex]

[tex]\bf -x=8[/tex]

Divide both sides by -1:-

[tex]\bf \cfrac{-x}{-1}=\cfrac{8}{-1}[/tex]

[tex]\bf x=-8[/tex]

_________________________

Hope this helps!

que numero multiplicado por -8 es igual a 1​

Answers

Answer:

[tex]\boxed{-\frac{1}{8} }[/tex]

Step-by-step explanation:

De acuerdo al inverso multiplicativo se cumple lo siguiente:

[tex]a\times \frac{1}{a}= \frac{a}{a}=1[/tex]

Por lo tanto:

[tex]-8 \times \frac{1}{-8}=1[/tex]

El número que cumple con el enunciado es [tex]-\frac{1}{8}[/tex]

[tex]\text{-B$\mathfrak{randon}$VN}[/tex]

HELP PLEASE! the question in the photo below

Answers

The point estimate is 0.395 and the poll's margin of error is 0.015 or 1.5%.

What is confidence interval?

A set of values that, with a particular level of confidence, is likely to include an unknown population parameter is known as a confidence interval. Confidence intervals are frequently utilized in statistics to calculate the actual value of a population parameter using sample statistics. When comparing a sample statistic to a population parameter that is hypothesised, we utilize confidence intervals to assess if the difference is statistically significant.

Given the interval of the result in the survey is [0.38, 0.41].

a. The point estimate is given as:

Point estimate = (0.38 + 0.41) / 2 = 0.395

b. The margin of error is given as:

Margin of error = (critical value) x (standard error)

Assuming a 95% confidence level:

Standard error = (maximum error) / (critical value)

Now,

Maximum error = (0.41 - 0.38) / 2 = 0.015

Margin of error = 1.96 x (0.015 / 1.96) = 0.015

Hence, the point estimate is 0.395 and the poll's margin of error is 0.015 or 1.5%.

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Someone help me pls

Answers

You have all the correct answers in the correct places, good job!

Answer:

1. It flips the image over a line to create a mirror image

2. It spins a figure around a point

3. It slides a figure to a different location

4. it enlarges or reduces a figure

Step-by-step explanation:

-3(8xN) what is the value of N

Answers

Required value of N is 1

This is a problem of simplification which is major part of Algebra.

Some Algebra's formulas:

[tex]{(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} \\ {(x - y)}^{2} = {x}^{2} - 2xy + {y}^{2} \\ {(x + y)}^{3} = {x}^{3} + 3 {x}^{2} y + 3x {y}^{2} + {y}^{3} \\ {(x - y)}^{3} = {x}^{3} - 3 {x}^{2} y + 3x {y}^{2} - {y}^{3} \\ {x}^{3} + {y}^{3} = {(x + y)}^{3} - 3xy(x + y) \\ {x}^{3} - {y}^{3} = {(x - y)}^{3} + 3xy(x - y) \\ {x}^{2} - {y}^{2} = (x + y)(x - y) \\ {x}^{2} + {y}^{2} = {(x - y)}^{2} + 2xy \\ {x}^{2} - {y}^{2} = {(x + y)}^{2} - 2xy \\ {x}^{3} - {y}^{3} = (x - y)( {x}^{2} + xy + {y}^{2} ) \\ {x}^{3} + {y}^{3} = (x + y)( {x}^{2} - xy + {y}^{2} )[/tex]

Given equation is [tex] - 3(8 \times N) = - 24[/tex]

We want to Simplify both side.

Multiplying (-3) and (8×N),

-24N = -24

Now we are dividing (-24) by (-24),

N = -24/-24

N = 1

Therefore, required value of N is 1.

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How do you find the Surface area of a rectangular prism make it simple and correct answer gets brainliest

Answers

The rectangular prism's length, width, and height can also be labelled, and the surface area (SA) can be calculated using the formula:

SA = 2lw+2lh+2hw.

Explain about the rectangular prism?

A face is just a flat surface in the geometric sense, and edges are formed where surfaces meet. Pyramids and prisms are both examples of polyhedra. A pyramid, however, is not a prism.

A polyhedron having two identical and parallel faces is referred to as a prism.A rectangular prism is one of the more typical shapes for prisms. One definition of a rectangular prism is a prism with rectangle-shaped bases. An other faces also were rectangles because the bases are rectangles.

Method to find surface area:

A three-dimensional shape's surface area is the total area on its surface. Add these areas of each of the six rectangular sides of a cuboid to determine its surface area.

Thus, the rectangular prism's length, width, and height can also be labelled, and the surface area (SA) can be calculated using the formula:

SA = 2lw+2lh+2hw.

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Surface Area = (width×length  +  height×length  +  height×width) × 2

—————

Please remember to revise this and make it in your own words if you want! I tried making this as simple as possible! I hope this helps you. -Doodle

—————

The track team jog for 3/8 of a mile in the morning in the afternoon they jog for 3/4 of a mile did they jog longer in the morning or the afternoon explain

Answers

The team jogged longer in the afternoon because they covered a distance of 6 eighths of a mile, which is greater than the 3 eighths of a mile they covered in the morning.

To compare the distance jogged in the morning and afternoon, we need to find the common unit for both. We can convert both fractions to have the same denominator by finding the least common multiple (LCM) of 8 and 4, which is 8.

So, in terms of eighths of a mile, the distance jogged in the morning is:

3/8 miles = 3 eighths of a mile

And the distance jogged in the afternoon is:

3/4 miles = 6 eighths of a mile (since 3/4 = 6/8)

Therefore, the team jogged longer in the afternoon because they covered a distance of 6 eighths of a mile, which is greater than the 3 eighths of a mile they covered in the morning.

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Find and prove algebraically the solutions (coordinate points) to the system of equations?
F(x)=x^2+2x-1 and g(x)=x-1

Answers

We have shοwn algebraically that the sοlutiοns tο the system οf equatiοns F(x) = g(x) are [tex](-2, -3)[/tex] and [tex](1, 0)[/tex].

What is a System οf Equatiοns?

A system οf equatiοns in algebra is made up οf twο οr mοre equatiοns that are sοlved tοgether. "A grοup οf equatiοns satisfied by the same set οf variables are called a system οf linear equatiοns. Finding the values οf the variables emplοyed in the system οf equatiοns is the first step tοwards sοlving it.

While maintaining the balance οf the equatiοns οn bοth sides, we cοmpute the values οf the unknοwn variables. Finding a variable whοse value makes the cοnditiοn οf all the given equatiοns true is the primary gοal οf sοlving an equatiοn system.

Tο prοve that these cοοrdinate pοints are sοlutiοns, we need tο substitute them intο bοth equatiοns and verify that they satisfy the equatiοns. Let's start with (-2, -3):

[tex]F(-2) = (-2)^2 + 2(-2) - 1 = 4 - 4 - 1 = -1[/tex]

[tex]g(-2) = (-2) - 1 = -3[/tex]

We can see that [tex]F(-2) = g(-2)[/tex] , sο[tex](-2, -3)[/tex]is a sοlutiοn.

Nοw let's check (1, 0):

[tex]F(1) = 1^2 + 2(1) - 1 = 2[/tex]

[tex]g(1) = 1 - 1 = 0[/tex]

Again, we can see that F(1) = g(1), sο (1, 0) is alsο a sοlutiοn.

Therefοre, we have shοwn algebraically that the sοlutiοns tο the system οf equatiοns F(x) = g(x) are (-2, -3) and (1, 0).

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The vertices of ΔABC are A(−2,5)​, B(−2,4)​, and C(−5,2). If ΔABC is reflected across the line y=−2 to produce the image Δ​A'B'C', find the coordinates of the vertex A​'.

Answers

The coordinates of the vertex A' are (-2, -2).

What is triangle?

A triangle is a three-sided polygon with three angles. It is a fundamental geometric shape and is often used in geometry and trigonometry.

To reflect a point or a shape across a line, you can follow these steps:

Find the equation of the line of reflection.

Find the distance between each point and the line of reflection.

Reflect each point across the line of reflection by moving the same distance on the other side of the line.

Finding the equation of the line of reflection:

The line of reflection is y = -2, which is a horizontal line passing through y = -2.

Finding the distance between each point and the line of reflection:

We can use the formula for the distance between a point (x, y) and a line Ax + By + C = 0:

distance = |Ax + By + C| / sqrt(A^2 + B^2)

Plugging in the values, we get:

distance(A, y = -2) = |(-2) - (-2) + 2| / sqrt(0 + 1) = 2

distance(B, y = -2) = |(-2) - (-2) + 4| / sqrt(0 + 1) = 4

distance(C, y = -2) = |(-5) - (-2) + 2| / sqrt(1 + 0) = 5 / sqrt(1) = 5

So the distances between A, B, C and the line of reflection are 2, 4, and 5, respectively.

Reflecting each point across the line of reflection:

To reflect a point across a line, we move the same distance on the other side of the line. Since the line of reflection is horizontal, we only need to move vertically.

A is 2 units above the line of reflection, so we move it 2 units below the line:

A' = (-2, -2)

B is 4 units above the line of reflection, so we move it 4 units below the line:

B' = (-2, -4)

C is 5 units above the line of reflection, so we move it 5 units below the line:

C' = (-5, -7)

Therefore, the coordinates of the vertex A' are (-2, -2).

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X =
someone HELP!!!!

Answers

you need to work back wards on the

9x+3=64

so 64-3=61

then do 61 divided by 9  

which equals 6.7(1dp)

so x=6.7(1dp)

in the most recent psychology exam, the mean score was 50 with a standard deviation of 5 points. based on the normal curve, what is the range within which 95% of the scores fall?

Answers

The range of the normal curve representing 95% of the scores fall is equal to 40.2 to 59.8.

The range within which 95% of the scores fall,

Calculate the z-scores corresponding to the 2.5th and 97.5th percentiles of the normal distribution.

The z-score corresponding to the 2.5th percentile is -1.96.

And the z-score corresponding to the 97.5th percentile is +1.96.

Using the formula for the z-score, we can calculate the corresponding raw scores as,

Lower bound is equal to,

z = (X - μ) / σ

⇒-1.96 = (X - 50) / 5

⇒X = 40.2

Upper bound is equal to,

z = (X - μ) / σ

⇒ +1.96 = (X - 50) / 5

⇒ X = 59.8

Therefore, 95% of the scores fall within the range of 40.2 to 59.8.

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What would the final bill after applying the discount be?

Answers

Answer:

80.925

Step-by-step explanation:

124.5 x 0.35 = 43.575

124.5 - 43.575 = 80.925

This is a question that I would prefer to be answered quickly-ish and I would like it if there was an explanation.



The area of a rectangular room is 84 ft^2. the length of the room is 8ft greater than the width. The situation can be represented as W^2-8w-84=0. What is the width?

Answers

Answer:

Step-by-step explanation:

You can start by drawing a diagram.  Then, you need to pick the shorter side and designate it as "x".  The longer side must be "x+8".

The formula for area of a rectangle is A=l*w.  Since the area is 84, then you can use the A=l*w formula.  84 = x(x+8) would be the equation to solve for x.

Now, you need to put the equation in standard form.  So, x2 + 8x - 84 = 0.

Since you can't solve this quadratic using factoring, you need to complete the square.

To complete the square you need to add 84 to both sides.  Now you have x2 + 8x = 84.  Take the coefficient for the x term (8) and divide by 2.  Now square it.  That would be 42, so 16.  Now you have x2 +8x +16 = 100.

Factor x2 +8x +16, so (x+4)2 = 100

If you use the square root property, you have x+4 = 10.  Therefore, x = 6 (the short side) and 14 is the long side.

I hope that helps.

3 A camper wants to protect her bag of food from bears She decides to tightly stretch a rope between two trees and hang her bag from a point exactly halfway along the length of the rope The first tree is 10 feet east and 6 feet north of her firepit The second tree is 5 feet west and 8 feet north of her firepit The rope is attached at a height of 8 feet to the first tree and a height of 5 feet to the second tree Let the firepit represent the origin movement east of the firepit represent movement in the direction of positive x movement west of the firepit represent movement in the direction of negative x movement north of the firepit represent movement in the direction of positive y and movement above the firepit represent movement in the direction of positive z 1 Write the coordinates of the points on the trees where the rope is attached 2 Find the distance between the points in part a Use sqrt to indicate a square root For example 3 would be written sqrt 3 3 Find the coordinates of the point where the food bag is hung 4 If the food bag is 1 2 feet long when hung and bears can reach a height of 7 5 feet when standing is the camper s food safe from bears Explain why or why not

Answers

The coordinates of the point where the food bag is hung are (2.5, 7, 6.5).

What is the coordinate point called?

The center of the coordinate system (where the lines intersect) is called the origin. The axes intersect when both x and y are zero. The coordinates of the origin are (0, 0). An ordered pair contains the coordinates of one point in the coordinate system.

The coordinates of the point on the first tree where the rope is attached are (10, 6, 8), and the coordinates of the point on the second tree where the rope is attached are (-5, 8, 5).

To find the distance between the points, we can use the distance formula:

distance = √((x2 - x1)² + (y2 - y1)² + (z2 - z1)²)

Plugging in the coordinates from part 1, we get:

distance = √((-5 - 10)² + (8 - 6)² + (5 - 8)²)

distance = √(225 + 4 + 9)

distance = √(238)

Therefore, the distance between the points is √(238).

Since the food bag is hung at a point exactly halfway along the length of the rope, we can find its coordinates by taking the average of the coordinates of the points where the rope is attached.

The x-coordinate of the midpoint is: (10 + (-5)) / 2 = 2.5

The y-coordinate of the midpoint is: (6 + 8) / 2 = 7

The z-coordinate of the midpoint is: (8 + 5) / 2 = 6.5

Therefore, the coordinates of the point where the food bag is hung are (2.5, 7, 6.5).

To determine whether the food is safe from bears, we need to compare the height of the food bag to the maximum height that bears can reach. The food bag is hung at a height of 6.5 feet, and bears can reach a height of 7.5 feet when standing. Therefore, the food is not completely safe from bears, as they may be able to reach it if they stand up on their hind legs. However, hanging the food bag at this height does make it more difficult for the bears to reach, and may deter them from trying to get to it. It is also important to note that proper food storage techniques in bear country should involve using bear-resistant containers, in addition to hanging food bags.

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true or false? square root functions are either always increasing or always decreasing for the whole domain of

Answers

The given statement square root functions are not always increasing or always decreasing for the whole domain of ( -∞ , ∞) is false.

Function is square root function.

Domain = ( -∞ , ∞)

Square root functions is always increasing or decreasing is a false statement.

For example,

Let us consider the function f(x) = √x.

This function is increasing for x > 0, since as x increases, √x increases as well.

However, for x < 0, the function is not defined since the square root of a negative number is not a real number.

This implies,

The function is neither increasing nor decreasing for x < 0.

Therefore, the statement square root functions are either always increasing or always decreasing for the whole domain of ( -∞ , ∞)  is false.

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The above question is incomplete , the complete question is:

True or false? square root functions are either always increasing or always decreasing for the whole domain of ( -∞ , ∞).

The ages of a family of five sum to 80. The two youngest are 6 and 8. What was the sum of the ages of the family seven years ago?

Answers

The sum of the ages of the family seven years ago is given as follows:

45 years.

How to obtain the sum of the ages of the family?

The sum of the ages of the family is obtained applying the proportions in the context of the problem.

Each year, the age of each person increases by one, hence, considering a family of five, the yearly increase in the age of the family is given as follows:

5 x 1 = 5 years.

The two youngest are 6 and 8, meaning that seven years ago, the youngest was not yet born.

The ages of a family of five sum to 80, hence the sum seven years ago was given as follows:

80 - 5 x 7 = 45 years.

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Find the measures of the angles of an isosceles obtuse triangle with one angle measuring 20.

there is 3 answers ​

Answers

So the measures of the angles in the isosceles obtuse triangle are 20 degrees, 80 degrees, and 80 degrees.

What is triangle ?

Three straight ends and three angles make up a closed triangle, a two-dimensional geometric object. A triangle's angles add up to 180 degrees in all cases. Based on their side lengths and angle measurements, triangles can be categorized in a variety of ways. Typical categorizations comprise: Triangle having no equal sides is referred to as a scalene triangle. Isosceles triangle: A triangle with two sides of equal length. A triangle having an equilateral shape is one with three equal sides. Triangle that has all angles that are less than 90 degrees is referred to as an acute triangle. Triangle with one angle that is precisely 90 degrees is referred to as a right triangle. A triangle that has a side that is more acute than 90 degrees is said to be obtuse.

given

In the isosceles obtuse triangle, let x represent the measurements of each equal angle.

One of the equal angles is bigger than 90 degrees since the triangle is obtuse. As a result, we have:

x + x + 20 = 180 (sum of angles of a triangle) (sum of angles in a triangle)

When we simplify this equation, we obtain:

2x + 20 = 180

2x = 160

x = 80

Hence, each of the equal angles is 80 degrees in length. As a result, there are three different ways to measure the angles in the isosceles obtuse triangle, which has one angle that is 20 degrees, as follows:

20-80-80 degree range

80-20-80 degree range

80-80-20 Celsius

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HELP ASAP. WILL GIVE BRAINLIEST AND ALL MY POINTS.

Find DB. D DC = 5 B C DB= [?]√ [ ] Give your answer as a simplified radical. Enter​

Answers

The measure of diagonal DB in the given square is 5√2.

What is triangle?

A triangle is a three-sided polygon with three angles. It is a fundamental geometric shape and is often used in geometry and trigonometry. A triangle is defined by its three sides and the three angles formed by those sides. The sum of the three angles in a triangle is always 180 degrees. Triangles can be classified based on the length of their sides and the size of their angles.

Using Pythagoras theorem of right triangle

DB² = DC² + BC²

Here given that

DC = BC

Then

DB² = DC² + DC²

DB² = 5² + 5²

DB² = 25 + 25

DB² = 50

DB = √50

DB = 5√2

Thus, the measure of diagonal DB in the given square is 5√2

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[50 POINTS] According to the Fundamental Theorem of Algebra, how many zeros does the function f(x) = 5x^6+2x^3−4x + 1
There are ________ Zeros

Answers

Answer:

6

Step-by-step explanation:

the number of zeroes is defined by the highest exponent of the variable in the functional expression.

Find the exact values of the remaining trigonometric functions of satisfying the given conditions. (If an answer is undefined, enter UNDEFINED.)
cos = 4/5, tan < 0
sin =
tan =
csc =
sec =
cot =

Answers

Answer:

sin Θ = [tex]-\frac{3}{5}[/tex]

tan Θ = [tex]-\frac{3}{4}[/tex]

csc Θ = [tex]-\frac{5}{3}[/tex]

cot Θ = [tex]-\frac{4}{3}[/tex]

Step-by-step explanation:

We know that this triangle is a 3-4-5 triangle since we know the cos of the angle. We also know this angle is located in Quadrant IV (4) since cos is positive and tan is negative.

Based off this info we can find the rest of the trig functions

sin Θ = [tex]-\frac{y}{r}[/tex]

tan Θ = [tex]-\frac{y}{x}[/tex]

csc Θ = [tex]-\frac{r}{y}[/tex]

cot Θ = [tex]-\frac{x}{y}[/tex]

Mar 30, 9:57:36 AM
One rectangle is "framed" within another. Find the area of the shaded region if the
"frame" is 2 units wide.
12

Answers

By answering the presented question, we may conclude that As a result, the darkened zone has an area of 88 square units.

What is rectangle?

In Euclidean geometry, a rectangle is a parallelogram with four small angles. It may also be defined as a fundamental rule hexagon or one in which all of the angles are equal. Another alternative for the parallelogram is a straight angle. Four of the vertices of a square are the same length. A quadrilateral with four 90° angle vertices and equal parallel sides has a rectangle-shaped cross section. As a result, it is also known as a "equirectangular rectangle." A rectangle is sometimes referred to as a parallelogram due to the equal and parallel dimensions of its two sides.

We must determine the size of the darkened zone.

The bigger rectangle (with the frame) has a surface area of (12+2) x (10+2) = 14 x 12 = 168 square units.

The smaller rectangle (with the frame) has an area of (8+2) x (6+2) = 10 x 8 = 80 square units.

The frame's area is equal to the difference between the two areas: 168 - 80 = 88 square units.

As a result, the darkened zone has an area of 88 square units.

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i dont understand, am i supposed to write like 10 x 10 x 10 or 10^3 (10 to the third power)?

Answers

Answer:

yes 10 to the 3rd power is 1,000 so try to go from there if more info is needed please comment "more info"

Step-by-step explanation:

12) To make a miniature ice cream truck, you need tires with a diameter between 1.465 cm and 1.472 cm. Will a tire that is 1.4691 cm in diameter work?

Answers

Answer: Yes

Step-by-step explanation:

1.4691 is more than 1.465, and less than 1.472

A group of marine biologists tags 45 great white sharks off the coast of Mexico to study migratory patterns. All of the tag numbers are unique. Weeks later, the marine biologists travel to Hawaii. While there, they randomly capture and release 20 great white sharks per day, for three consecutive days. On the first day, 3 of the sharks have the original tags. On the second day, 2 of the sharks have the original tags. On the third day, 4 of the sharks have the original tags. Based on the data, what is the estimated population of great white sharks that have migrated from Mexico to Hawaii?​

Answers

Therefore, the estimated population of great white sharks that have migrated from Mexico to Hawaii is 2,500.

What is Shark Population Estimation?

Shark population estimation is the process of determining the size and trends of shark populations in a given area. It involves collecting and analyzing data on shark abundance, distribution, behavior, and other factors to understand their population dynamics.

There are different methods used to estimate shark populations, including mark-recapture studies, aerial surveys, acoustic tracking, and genetic analysis. These methods allow researchers to estimate the number of sharks in a given area, monitor changes in their population over time, and identify potential threats to their survival.

To estimate the population of great white sharks that have migrated from Mexico to Hawaii, we can use the capture-recapture method, also known as the Lincoln-Petersen index.

Let:

N = the total population sizen1 = the number of sharks tagged in Mexicon2 = the number of sharks captured in Hawaii on the first dayn3 = the number of sharks captured in Hawaii on the second dayn4 = the number of sharks captured in Hawaii on the third daym1 = the number of sharks captured in Hawaii on the first day that were previously taggedm2 = the number of sharks captured in Hawaii on the second day that were previously taggedm3 = the number of sharks captured in Hawaii on the third day that were previously tagged

The Lincoln-Petersen index formula is:

[tex]N = (n_1 * n_2 * n_3) / (m_1 * m_2 * m_3)[/tex]

Plugging in the given values, we get:

[tex]N = (45 * 20 * 20 * 20) / (3 * 2 * 4)[/tex]

[tex]N = 60,000 / 24[/tex]

[tex]N = 2,500[/tex]

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What is the value of x? With coordinates of 45%, 4√2, x.

Answers

The value of x is 8. So correct is C.

Describe Triangles?

In mathematics, a triangle is a geometric shape that consists of three line segments that intersect at three endpoints. These endpoints are called vertices, and the line segments are called sides.

Triangles are one of the most basic shapes in geometry and are used in many areas of mathematics, science, engineering, and everyday life. They can be classified based on the length of their sides and the measure of their angles.

Some common types of triangles include:

Equilateral triangle: A triangle in which all three sides are equal in length.

Isosceles triangle: A triangle in which two sides are equal in length.

Scalene triangle: A triangle in which all three sides have different lengths.

Right triangle: A triangle in which one angle measures 90 degrees (a right angle).

To find the value of x, we can use the trigonometric ratios of a right-angled triangle. Let's call the base of the triangle "b".

We know that the angle between the hypotenuse and the base is 45 degrees, which means that the other acute angle is also 45 degrees. Therefore, we can use the trigonometric ratio for the sine of 45 degrees to relate the hypotenuse and the perpendicular as follows:

sin(45 degrees) = opposite/hypotenuse

where the opposite side is the perpendicular, which is given as 4√2.

sin(45 degrees) = 4√2/x

Simplifying this equation gives:

x = 4√2 / sin(45 degrees)

We know that sin(45 degrees) = 1/√2, so substituting this value into the equation above gives:

x = 4√2 / (1/√2) = 4√2 * √2 = 8

Therefore, the value of x is 8.

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what does the median tell farrah about her data

Answers

The median provides Farrah with an understanding of the central value in her data set, which can help her analyze the overall distribution of the data points.

The median is a measure of central tendency that tells Farrah the middle value of her data when it is arranged in ascending order.

To find the median, Farrah should follow these steps:
1. Arrange her data in ascending order (from smallest to largest).
2. If there is an odd number of data points, the median is the middle value.
3. If there is an even number of data points, the median is the average of the two middle values.

It is less affected by outliers or extreme values than the mean, making it a more reliable representation of the center of her data.

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