Mathematics Middle School

PLEASE HELP I FORGOT HOW TO DO COMPLEX EQUATIONS LIKE THIS!! PLS EXPLAIN IT!! also could you provide an easy review over how to solve systems of equations and using graphs too (like a graph that shows intersecting lines how do I know what systems match it?) plss help I have the algebra eoc in 2 days

Answers

Answer 1

20q¹⁷w⁹ this is the answer hope this helps

Related Questions

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Answers

= 480 cm^3

Equation: v1 + v2 = v3

= (4x4x8) + (4x4x8) + (14x4x4)

= 128 + 128 + 224

= 480 cm^3

Answer:

480

Step-by-step explanation:

I have to hurry and do this but don't know how

Answers

So?
13 - 15 = -2
13 + 15 = 28
So K is -2 and 28

What the guy ontop said was right

A two-sided coin (heads/tails) is flipped once, and one card is drawn from a standard 52 deck of playing cards. Calculate the probability of each given situation, and drag the correct answer to it.

Not drawing a king-
flipping heads-
flipping heads or drawing a heart-
drawing a heart-
flipping heads and drawing a heart-

item bank
1/8
1/2
5/8
12/13
1/4

Answers

Answer:12/13

1/2

5/8

1/4

1/8

Step-by-step explanation:1)there are 4 kings in a deck so the probability of not getting them is 1-(the probability of getting them)=1-(4/52)=12/13

2)there are heads and tails so the P of getting ont of them is half=1/2

4)there are 4 suits in a deck so 52/4=13; therefore, there are 13 hearts in the deck so 13/52=1/4

5)and means multiplication, so flipping heads*drawing a heart= question 2* question 4 =1/2 * 1/4=1/8

3) its a little complicated so you can consider it as the last option possible and choose, anyways "or" means addition so add the two probabilities to get 5/8

The equation shown describes a relationship between x and y.
y = 5x + 2
If the value of x increases by 1, what is the corresponding increase in the value of y?

Answers

y should increase by five every time

5x is just a multiple 5 but without knowing how many tines your multiplying. Now we know that x increases by 1 each time, so it should just be normal multiplying. 5(1) = 5, 5(2) = 10, 5(3) = 15 and so on. It's a constant increase of 5.

y is gonna increase by 5 every time so it’s 5(2), 5(3), 5(4) and so on

how do i simplify an improper fraction

Answers

So if the improper fraction is 11/3 you’d say 11 goes into 3 3 times so then it’d be 2 left over. So with that it’d be
3 2/3

first identify the common factor then divide the numerator and the denominator by the same factor

PLS HELP ME DO THIS QUESTION PLSPLSPLS
QUESTION IS ON THE PIC BELOW

Answers

If the equation is 5(x+8). You would need to distribute. 5(x) + 5(8) is the extended form and to find it in the simplest form you simply do multiplication. Which would be 5x+40

The answer is 5x+40
It asked you to us the distributive property and if you were to distribute the 5 to the equation 5(x+8) you would do 5 times X which equals 5x then you would do 8 times 5 which is 40. Good luck with the rest!

Here’s a box plot that summarizes the average monthly rainfall of several cities. Find the range of the data.

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Answer:4

Step-by-step explanation:

Suppose instead that one friend bought all 4 bags of pretzels and another friend bought all 4 drinks write an expression that shows the total cost

Answers

Could you provide all the information

Answer:

4x+4y=total cost

Step-by-step explanation:

We are given that there was a total of 4 bags of pretzels and 4 drinks bought. We are also given to write an expression using x dollars for the pretzels and y dollars for the drinks.

To do this, we need to multiply the cost of each pretzel bag, x, by the total amount of bags of pretzels purchased.

4·x

=4x

Next, we need to multiply the cost of each drink, y, by the total number of drinks purchased:

4·y

=4y

The question is asking us to write an expression, so put 2 and 2 together:

4x+4y=total cost

Given the actual question, "Suppose instead..." the expression would be the same.

Hope this helps! :)

Jade has charged $500.00 on her credit card with a monthly interest rate of 14%. How much will she owe after 5 months simple interest? Include two decimal places in your answer.

Answers

Answer:581.39

Step-by-step explanation:

The answer is 850 dollars

The table shown below shows 4 different sized boxes of markers and the current price of each. The third column shows any current sales. Based on the price per marker, which box of markers is the best deal?

a. Box of 8 markers
b. Box of 12 markers
c. Box of 24 markers
d. Box of 30 markers

Answers

Answer:

i think b or c because that is kinda hard

The answer is b!!!!!!!!

There are 4 figures shown. The first figure has a 1 dot, the second has 3 dots, and the third figure has 6 dots, and finally, the fourth one has 10 dots.

If the following pattern continues, how many more dots are there in Figure 100 than in Figure 98?

(Offering 30points for this question for Math Olympiad! Thank you! <3)

Answers

Answer:

Figure100=5050dots Figure98=4851

-4y = 72

Horozontal or vertical??

Answers

Vertical is the answer

Answer:

horizontal

Step-by-step explanation:

You want to know if the equation -4y = 72 describes a horizontal or vertical line.

Constant equation

The equation reduces to ...

-4y = 72

y = -18 . . . . . . . . divide both sides by -4

The points on a graph that have y-coordinate -18 will form a horizontal line. They are all 18 units below the x-axis. The line is parallel to the x-axis.

Additional comment

The equation x = constant describes a vertical line.

If you are in doubt, you can always graph the equation with your graphing calculator.

I dont need an answer I just need help.. The picture below, is it just 9x9 and like 6x6 or is it 9x2 and 6x2? And then the answer would be c x 2 or c x c?

Answers

Answer: 45

Step-by-step explanation:

Pythagorean Theorem is a^2+b^2=c^2
In this case it would be 9^2-6^2 which is 45

Answer:

In this case, it would be 9x9 and 6x6

Step-by-step explanation:

The ² in the problem means to multiply the number by itself, like 9x9. It's called the square.

a² + b² = c²

eg.

(a x a) + (b x b) must be = (c x c)

c = hypotenuse which means it is the longest part, which is why it is a² + b² = c²

The person's answer before me is also right

Hope this helps! :)

Question 7!!!

Total area= area of parallelogram + area of trapezoid

Answers

The total area of the figure is 52 square feet by adding the areas of the parallelogram and trapezoid

Calculating the total area

from the question, we have the following parameters that can be used in our computation:

parallelogram and trapezoid

Wher we have

Area of parallelogram = 7 * (6 - 2)

Area of parallelogram = 28

Also, we have

Area of trapezoid = 1/2 * (7 + 5) * 4

Area of trapezoid = 24

So, we have

total area = 28 + 24

total area = 52

Hence, the total area is 52 square feet

Answers

Answer:

Sales tax is $2.70.

Hope this helps

the sales tax is $2.70

sdadagsdsdad please help meeeeeeeeeee

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The answer is (2,2)

Amber can go across 6 and up 6 to get to Ivan’s house.

A peregrine falcon can dive at the speed of 320km/h. Create a problem that you can solve by finding an equivalent rate for this speed. Then solve the problem.

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Question: A peregrine falcon can dive at the speed of 320km/h. How many kilometres can the bird traveling in a minute?

Answer: 5 1/3 kilometres per minute

320 ÷ 60 would convert the hours to minutes and so you get 5 1/3 kilometres per minute (kpm).

help pls will give brainliest

Answers

Answer:

s = 7

Concept Used:

Linear pair axiom

Step-by-step explanation:

(6s-8) + 90 + 8s = 180 (Linear pair axiom)

14s = 98

s = 7

Answer:

Step-by-step explanation:

The 3 angles are on a straight line, meaning the angle is 180°.

We know that one angle is 6s-8°, another is 8s°, and the middle angle is 90° because of the small box.

We can set up an equation to find s:

6s-8+8s+90=180

simplify

14s+82=180

subtract 82 from both sides

14s=98

divide both sides by 14

s=7

Hope this helps :)

theta is a right angled triangle tan theta= 23/52 work out the value of theta give your answer to 1 decimal place

Answers

Answer:

θ = 23.9°

Step-by-step explanation:

tan θ = 23/52

θ = arc tan (23/52)

=23.86°

= 23.9° to one decimal place

Find the area of the composite figure.

A. 82 squared ft
B. 61 squared ft
C. 40 squared ft
D. 49 squared ft

Answers

Area of rectangle

Length*Breadth10*440ft²

Area of triangle

1/2*Base*Height1/2*7*63*721ft²

Total area

21+4061ft²

Option B

option B

I took the test

help me Please asap in inserted the picture NUMBER 6 BTW

Answers

Answer:

The length is 192ft

Step-by-step explanation:

To find the length you have to find the scale used to draw the image which would be the width given divided by the width in yards then multiply the given length by the scale to get the length in yards.

Hope this helps :)

the length is 192 feet

What is 2x+21? Please it's due in about 15 minutes!!!

Answers

Answer:

The value of x is 21

Step-by-step explanation:

2x+21 is a linear equation with one unknown, x. To solve for x, we can use the following steps:

1. Subtract 21 from both sides of the equation. This will isolate x on the left-hand side of the equation.

```

2x+21 - 21 = x

```

2. Divide both sides of the equation by 2. This will divide both sides of the equation by 2, which will cancel out the 2 on the left-hand side of the equation, leaving x by itself.

```

x = (2x+21)/2

```

3. Simplify the right-hand side of the equation.

```

x = x/2 + 21/2

```

4. Combine like terms on the right-hand side of the equation.

```

x = (1/2)x + 21/2

```

5. Subtract (1/2)x from both sides of the equation. This will isolate x on the left-hand side of the equation.

```

x - (1/2)x = (1/2)x + 21/2 - (1/2)x

```

6. Simplify the right-hand side of the equation.

```

(1/2)x = 21/2

```

7. Multiply both sides of the equation by 2. This will multiply both sides of the equation by 2, which will cancel out the (1/2) on the left-hand side of the equation, leaving x by itself.

```

2*(1/2)x = 21/2 * 2

```

8. Simplify the right-hand side of the equation.

```

x = 21

```

Therefore, the value of x is 21.

2x+21
2x+21=0
-21/2
X = -21/2 or -10.5
Have a great day or night
Goodluck on your assignment:)))

This is complicated and I need help

Answers

103 inches squared, hoped this helps

108 in^2 break apart the shapes in triangle and square and use the formulas

Joseph has a fair dice with 4 faces numbered 1 to 4.
He also has a fair dice with 6 faces numbered 1 to 6.
He rolls both dice.
Find the probability of rolling a different number on each dice.

Answers

Answer:

To find the probability of rolling a different number on each dice, we can determine the total number of possible outcomes and the favorable outcomes.

The total number of possible outcomes when rolling a 4-sided die and a 6-sided die is the product of the number of sides on each die: 4 × 6 = 24.

The favorable outcomes occur when we roll a different number on each die. We can calculate this by considering all the possible combinations.

For the first die (4-sided), there are 4 possible outcomes.

For the second die (6-sided), there are 6 possible outcomes.

Since we want different numbers on each die, the total number of favorable outcomes is 4 × 6 = 24.

Therefore, the probability of rolling a different number on each die is:

Probability = (Number of favorable outcomes) / (Number of total outcomes)

Probability = 24 / 24

Probability = 1

Hence, the probability is 1 or 100%.

HELP PLS 25 PTS GIVE EXPLANATION ON ANSWER PLS
A 25-foot magazine rack begins 20 feet south of the checkout desk and continues south. What are the coordinates of the beginning and end of the magazine rack? Explain or show how you got your answer. ANSWER CORRECTLY WITH AN EXPLANATION

Answers

Answer: The coordinates of the beginning of the magazine rack are (0,-20), and the coordinates of the end of the magazine rack are (0,-45).

Explanation:

The magazine rack begins 20 feet south of the checkout desk, so its starting point is 20 feet below the x-axis. This gives us the coordinates (0,-20) for the beginning of the rack. Since the rack is 25 feet long, it extends 25 feet to the south of its starting point. Therefore, the endpoint of the rack is 20 feet (the starting point) minus 25 feet (the length of the rack), or -5 feet south of the checkout desk. This gives us the coordinates (0,-45) for the end of the rack.

Brainliest?

The given information tells us that the magazine rack begins 20 feet south of the checkout desk and continues south for a length of 25 feet. Since the magazine rack is only moving in the south direction, we can say that the x-coordinate (horizontal distance) of both points will be the same.

Let's assign the x-coordinate of the checkout desk as 0. Then, the x-coordinate of the beginning and end of the magazine rack will also be 0.

The y-coordinate of the beginning of the magazine rack is 20 feet south of the checkout desk, which means it is 20 feet less than the y-coordinate of the checkout desk. If we assume that the y-coordinate of the checkout desk is y = 0, then the y-coordinate of the beginning of the magazine rack is y = -20.

To find the y-coordinate of the end of the magazine rack, we add the length of the rack (25 feet) to the y-coordinate of the beginning of the rack (-20 feet). This gives us y = 5.

Therefore, the coordinates of the beginning of the magazine rack are (0,-20) and the coordinates of the end of the magazine rack are (0,5).

58 children are taking a bus to the zoo 2 children sit in every seat how many seats will the children need in all

Answers

Divide 58 and 2.

The answer will be 29.

Use the table to determine the relationship between yards and feet.

Yards Feet
1 3
2 ?
3 ?
4 ?

Which of the following graphs matches the relationship shown in the table?
A. Y
B. Z
C. W
D. X

Answers

Answer: Y

Step-by-step explanation:

Remember: 1 yard = 3 feet. Consider this for all the choices!!

W starts at (0, 1) making it automatically incorrect as 0 yards cannot equal a foot, it equals zero feet.

X has a point marked (1, 0) making it automatically incorrect as 1 yard does not equal to 0 feet.

Z starts with the point (0, 3) making it automatically incorrect as 0 yards cannot equal 3 feet,

Y does not have any incorrect points, and properly illustrates that 1 yard is equal to 3 feet with the points provided, Y is correct

Graph Y is correct, There are 3 feet in one yard

Please Help me! I am clueless

Answers

Firstly, you have to find the area of the whole shape. After that, you subtract that from the area of the individual triangle to get your answer.

The whole shape is a rectangle, with a length of 6 and a width of 7.
To find the area, multiply 6 by 7=42yd^2

The area of the entire shape is 42yd^2

Now, the vertical 4yd side plus the height of the dotted triangle will equal 6yd.
So the height of the dotted triangle is 6-4=2yd.

The horizontal 4yd side plus the base of the dotted triangle will equal 7yd.
So the base of the dotted triangle is 7-4=3yd.

Formula for area of triangle: 1/2 x base x height
1/2 x 4 x 3= 6yd^2

The area of the dotted triangle is 6yd^2

Now subtract the area of the whole shape by the area of the dotted triangle to get the shaded region.

42-6= 36yd^2

Area of shaded region: 36yd^2 (i think)

(so sorry if i’m wrong!!!)

39 yds squared
make into trapezoid and rectangle
rectangle 4*6=24
trapezoid (4+6/2)3=15
15+24=39

Brianna has a decision to make on where to attend college after high school. She has a choice of living at home and attending the local junior college or attending a four-year university. She created a table to help her and her parents make the decision. The table contains the estimated costs for each semester.

At Junior College At Four-Year University
Tuition and Fees $1,800 $2,625
Room and Board $0 $3000
Transportation Costs $1000 $0
Books and Supplies $700 $700
Personal Expenses $600 $600

How much would she save the first year by attending the local junior college?

Answers

Answer: I think it would be $2825

Step-by-step explanation:

Add all of the Junior College fees and then add all of the 4-year college fees and then subtract them to find your answer.

I think it would be 2825 btw sorry if I am wrong

Which number sentence is true?

Answers

Answer:

1. B 2. D 3. C

Step-by-step explanation:

1.B 2.D 3.C
I’m sorry if I’m wrong

Other Questions

2. Minimize S=x+y with xy =25 and both x and y>0 werner is a security manager for a health insurance company. he is examining the organization's compliance with patient privacy. while investigating how staff handle verbal and email communications, he discovers that some staff members are lax about how well they protect details that, when combined, might be used to reveal sensitive details about some customers. what is the focus of his concern? suppose discrete random variables x and y have a joint distribution: a. what is the expectation of x y? that is, what is e(x y)? AFill in the blank. If one line has a slope of 0. 5 and another distinct line has aslope of those two lines areA. ParallelB. Not correlatedC. PerpendiculareD. UndefinedIs urgent , no link plis Mr robins earns a commission on each airfare he books. At the end of the day he had booked 208. 60 worth of airfare and earned 31. 29 Please help!!! Find the total surface area of the following cone. Leave your answer in terms of pi.4 cm3 cmSA = [?] cm If ad and bd are tangent to circle c, and ad= 13 and bd= 4x-3 find the value of x. Terri is beginning a science experiment in the lab. The instructions call for 227 milligrams of potassium. Calculate the difference between this amount and 1 gram Internet retailers serve a larger geographic area with comparably smaller infrastructure and staff. This fact suggests that internet businesses are more _____. You are given 10. 34 grams of C7H14O7. How many moles of the compound do you have? What is the best example of parallelism? If a woman making $29,000 a year receives a cost-of-living increase of 2. 6%, what will her new salary be? A landscaper worded 8-1/2 hours on Monday, 3-1/3 hours on Tuesday and 6-1/4 hours on Wednesday. How many total hours did she work? Use synthetic division to rewrite the following fraction in the form q(x)+r(x)d(x), where d(x) is the denominator of the original fraction, q(x)is the quotient, and r(x) is the remainder. Net Promoter Score: Your company, Thoughts and Prayers, LLC, has recently surveyed 100 customers. You asked them to each rank the likelihood that they would recommend your companys products to a friend from 0-10.15 responses were in the 0-6 range25 responses were in the 7-8 range60 responses were in the 9-10 rangeWhat is the NPS for your company? In your own words, what are the implications of this NPS for Thoughts and Prayers? What are the pros and cons of using this measurement for customer satisfaction and loyalty? f(x)=1/2x^4+2x^3 is concave up when f(x) is The graph shows the rate of blood flow through different organs at rest and during exercise Use a triple integral to find the volume of the solid bounded by the parabolic cylinder y = 2x2 and the planes z = 0,2= 2 and y = 4. Is the hypothesis that a particular trait evolved by natural selection falsifiable? That is, if you thought a particular trait didn't evolve by natural selection, could you test that our for yourself, given sufficient time, resources, an an organism that isn't too difficult to study?Group of answer choicesYes, the hypothesis that a particular trait evolves by natural selection is falsifiableNo, the hypothesis that a particular trait evolved by natural selection is intrinsic to a modern understanding of biology and the *theory* of evolution by Natural Selection. Therefore in order to disprove that a particular trait evolved by natural selection, you would need to accumulate so much evidence that you could overturn that entire theory,.It's impossible to tell - unlike other scientific theories, the idea that a trait evolved by natural selection is more of a philosophical position - you can't really test itYes, but to do that you would be required to show that the trait isn't heritable, and that it doesn't provide a fitness advantage, and that it doesn't vary in your population. Use an integer to describe the situations.6 meters above sea level ___sea level ___