Mathematics Middle School

Please Help!! It’s due in 20 minutes!

Please Help!! Its Due In 20 Minutes!

Answers

Answer 1

Answer:

Hence, 70 people out of 100 who had attained the previous year

Answer 2

Step-by-step explanation:

If this is completely proportional, you'd make the formula

[tex] \frac{420}{600} = \frac{x}{100} [/tex]

Cross multiply

[tex]42000 = 600x[/tex]

Then we just divide by 600

[tex]x = 70[/tex]

Related Questions

Write an equation to represent "33 is 15 less than k."

Answers

Answer:33-15=k

Step-by-step explanation:

because 33 is 15 less which is 33-15 than k which is 33-15=k

33-15=k or you can do 33-k=15

Which simplified ratio correctly compares 12 yards to 20 feet? 1 yard = 3 feet

please help

Answers

Answer:

3/5

Step-by-step explanation:

Given ratio 12 yard to 20 feet,

To simplify the ratio, we first need to find the common multiples of 12 and 20,

to find the common multiples of 12 and 20, we need to factorize 12 and 20.

On factorization, we get 12= 2*2*3  and 20=2*2*5.

Common multiples of 12 and 20 are  that is 4.

And now simplifying the given ratio, 12 yard to 20 feet , that is 12/20=3/5

Answer: 3/5

Step-by-step explanation: To simplify the ratio, we first need to find the common multiples of 12 and 20 then once you find the common form there you should have your answer.

Find the area of the square. 4 9cm

Answers

Answer:

2401 cm

Step-by-step explanation:

Area of square = a^2

a = side of square

a = 49cm

Hence, area of square = 49^2

= 2401cm

49 x 49 = 2,401 cm^2

Write an expression to represent "a number k increased by 6."

Answers

Answer:

k+6

Step-by-step explanation:

The answer to this question is k+6

help please, and give me tips as well

Answers

A, it's a function only.

A relation is the relationship between two or more set of values.
It’s a. A function only

Reggie works at Bright Bouquets flower shop.

Yesterday, he made 4 centerpieces, which would normally use up an entire shipment of roses. In the shop's latest shipment,

12 roses were wilted, so Reggie couldn't use them. He used the remaining 36 roses in the centerpieces.

Which equation can you use to find how many roses, x, Reggie normally uses in a centerpiece?:?????????? HELP

Answers

Answer:

He normally uses 12 roses in a centerpiece

Step-by-step explanation:

The equation he can use will be,

4x - 12 = 36

4x = 48

x = 12

(36+12)divided by 4=x
X= 12
48dividedby4=x

Helppp please??

Have a good day!!

Answers

Answer:

B?

Step-by-step explanation:

I think it is C but I might be wrong

the graph displays the population of bacteria in a petri dish. describe the change in population over time.

Answers

population is experiencing exponential growth

Solve for x
1/2x - 2 = 3
A. x= 14
B. x= 10
C. x= 2
D. x=7

Answers

The asnwer is x = 10!!
x = 10

1/2x - 2 = 3
1/2x = 5
x = 10



brainliest to whoever answers it correctly!!1!1!1

Answers

je comprend pas quelqun pourrait til m'expliquer s'il vous plait
1) Y is 1.333333333333333 times X
2)

Determine whether the sample may be biased. Explain.
A reporter wants to know if the majority of the people in a city want a new football stadium to be built using tax funds, so he gets the opinion of 50 random people at a local college baseball game.

A, B, or C?

Answers

Answer:

The sample may be biased. The reporter is only getting the opinion of 50 random people at a local college baseball game, which does not represent the opinion of the entire population of the city. Therefore, the results of the survey cannot be used to make a general statement about how all people in the city feel about the new football stadium.

Step-by-step explanation:

C because got it right on test

Help again will give brainless

Answers

The graph that shows the translation is given as follows:

Option D.

What are the translation rules?

The four translation rules are defined as follows:

Left a units: x -> x - a.Right a units: x -> x + a.Up a units: y -> y + a.Down a units: y -> y - a.

For this problem, we have that the translations are given as follows:

2 units left -> 2 is subtracted from each coordinate of x.5 units down -> 5 is subtracted from each coordinate of y.

This means that the graph that correctly shows the translation is given by option D.

More can be learned about translation at brainly.com/question/29209050

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nvm free brainliest ig

Which proportion would you use to solve the following problem?


A map has a scale of 1 cm : 5 km. Determine how far apart two cities are if they are 8 cm apart on the map.

A. 1/5 = 8/x

B. 1/x = 5/80

C. 1/5 = 80/x

D. 1/x = 8/5

Answers

A.
1cm= 5km
8cm= Xkm
8•5=x x=40km
A, 1/5 = 8/x I really don’t know I’m just doing this to ask a question ‍♀️

what is it?
find n
60/66 = n/22

Answers

Step-by-step explanation:

n = 20

solve =

60 / 66 = n/22

n =( 60 / 66 ) × 22:

n = 20

i just need the points but its x =20

I have read for 1 3/5 hours and I am 4/9 of the way through my book. How long will it take me to finish the book? _ hours

Answers

2 hours

1. divide 9 by 4 which = 2.25
2. multiple that by 1.6 (1 3/5 hours in decimal form)
3. you get 3.6 hours which is how long it takes you to read the book
4. subtract from 1.6 because you’ve already read that

a salesperson at a store earns 8% commission each week. last week, heidi sold $540 worth of jewerly. how much did she make in commission? how much did the jewerly store make from her sales

Answers

540 x 0.08= $43.20 commission
answer:
$43.20

explanation:
540 x 0.08= 43.2

i need HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

No, they are not in proportion

Step-by-step explanation:

As when we cross-multiply 2/3 and 7/10, we get 20 = 21

When we cross-multiply 1 and 3/5, we get 5 = 3

When we cross-multiply 4/3 and 1/2, we get 8 = 3

20=21 ≠ 5=3 ≠ 8=3

∴ Hence, they are not in proportion.

Hope this helped. Pls mark me the BRAINLIEST!

Write an expression to represent "subtract 45 from a number c." (use / for division)

Answers

The answer to this question is 45-c

Linear Function Context Questions

Answers

Answer:

Step-by-step explanation:

Pick 2 numbers to subtract the C over the M

Subtract these 2 numbers

then divide.

EX:   69.25 - 7= 62.25

61.00 - 4= 57

divide 62.25/57= whatever number u get

Help
What are the chances of choosing a black marker out of a bag containing 3 red markers, 5 blue markers, 3 yellow markers, and 4 black markers?

Answers

Answer: 16/225

Step-by-step explanation:

i did the math

4/15

3 red + 5 blue + 3 yellow + 4 black
= 15 markers

And there’s 4 black markers so it would be a 4 (number of items) over the total amount (15)

which expression is represented by the model?

Answers

the answer is “A” make me

Which expression is equal to 3(2x + 8) – 4x?
Group of answer choices
10x + 24
2x + 24
2x + 20
10x + 20
Thanks!

Answers

the answer is 2x + 24

Answer:  2x+24

Step-by-step explanation:

expand brackets: 6x+24-4x

collect like terms: 2x+24

Write two equivalent fractions to describe the portion of the eggs that are dark gray

Answers

Bro doesn’t even add the whole question

What is the value of:
32,538 ÷ 10 to the power of 3
Group of answer choices
3.2538
3253.8
325.38
32.538
Thanks!

Answers

Answer: 32.538

Step-by-step explanation:

10³ is the same as 1000

32,538÷10³ is the same as moving the decimal at the end 3 times to the left

Answer:

B, or 3,253.8

Step-by-step explanation:

help me pls, thanks! :)

Answers

Answer:

Step-by-step explanation:

first you take a dog then you throw it then you do other things HEHEHHEHEHHEEHEHEHEHEHHHEEHEHEHEHEHEHEHEHEHEHE

Need help ASAP
Will give BRAINLIEST

Answers

Step-by-step explanation:    Surface area of triangular prism = 2A + PH.

                                                Lateral surface of a triangular prism = Length × (a + b + c)  

i hope it helps u :-)

Answer:

225 and 243.4

Step-by-step explanation:

Area of triangle = bh/2

A = 4*4.6/2

A = 9.2 cm sq

A of 2 triangles = 9.2*2 = 18.4 cm sq

Now, Area of 1 rectangle = lb --> 15*5 = 75 cm sq

A of 3 rectangles = 75*3 = 225 cm sq

Now, LSA = 225 cm sq. (excluding the triangles)

TSA = A of tr. + A of rec. = 18.4 + 225 = 243.4 cm sq

Hope it helped. Pls mark me the BRAINLIEST! Don't fool pls

He purchases a total of 150 containers of popcorn to sell. After he sells 15 containers, he will make a total profit, after his upfront costs, of $5.50. Cassidy’s profit, after upfront costs, can be modeled by a linear function in the form y=mx+b.

Question 1

Part A

What is the slope of the line that models the function?

Enter the correct answer in the box.

Answers

Answer: 208.00

Step-by-step explanation:If Cassidy sells all of the popcorn, his profit would be equal to $208.00.

What is the slope-intercept form?

Mathematically, the slope-intercept form of a line can be modeled by using this linear function:

y = mx + b

Where:

m represents the slope.

x and y are the points.

b represents the y-intercept.

How to determine Cassidy’s profit?

In order to determine Cassidy’s profit, we would have to calculate the cost of the containers of popcorn by using this mathematical expression:

Note: the price tag for a container of popcorn is one dollar and fifty cents.

Cost of containers = revenue - total profit

Cost of containers = 1.50(15) - 5.50

Cost of containers = 22.5 - 5.50

Cost of containers = $17.00

Therefore, the linear function which models Cassidy’s profit is given by:

y = 1.50x - 17

If Cassidy sells all of the popcorn, his profit is given by:

Cassidy’s profit, y = 1.50x - 17

Cassidy’s profit, y = 1.50(150) - 17

Cassidy’s profit, y = 225 - 17

Cassidy’s profit, y = $208.00

Read more on popcorn and profit here: brainly.com/question/25937729

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Complete Question:

Cassidy is selling popcorn for a fundraiser sale at the price shown.

A photo of a container of popcorn is shown. The price tag reads one dollar and fifty cents.

He purchases a total of 150 containers of popcorn to sell. After he sells 15 containers, he will make a total profit, after his upfront costs, of $5.50. Cassidy’s profit, after upfront costs, can be modeled by a linear function in the form y=mx+b.

What is Cassidy’s profit if he sells all of the popcorn?

HInt: Substitute 150 for x to find the profit if all the popcorn is sold.

208.00 should be the answer

Please help me ASAP!! What is the answer to 2[tex]\frac{4}{5}[/tex] + 3 [tex]\frac{1}{2}[/tex] = ?

Answers

Answer:

6 3/10

Step-by-step explanation:

2 4/5+3 1/2

5+4/5+1/2

5+8/10+5/10

5+13/10

6+3/10

6 3/10

2 4/5+3 1/2
5+ 4/5 + 1/2
5+10/10+5/10
5+ 1 3/10
6+ 3 /10
Andswer 6 3/10

help plss, ill give brainliest<33.
which expression is not equivalent to the other three?
a) 2x + 2+ 2x + 3x – 8
b) 4 + 7x – 2
c) –2 + 5x + 2x – 4
d) 8x – x – 6

Answers

Answer:  Choice B

4+7x-2

========================================================

Explanation:

Combine the like terms in choice A to find that:

2x+2x+3x = 7x2-8 = -6

Therefore, choice A simplifies to 7x-6.

Choice B on the other hand simplifies to 7x+2 since 4-2 = 2.

The expressions 7x-6 and 7x+2 don't match up, which means the answer is either choice A or choice B.

--------------

Let's simplify choice C.

5x+2x = 7x-2-4 = -6

Choice C simplifies to 7x-6 which matches with choice A. In other words, choices A and C are equivalent expressions. We can rule out choice A and go with  choice B   as the final answer.

For the sake of completeness, let's simplify choice D

8x-x-6 = 7x-6

This shows choice D matches with A and C.

--------------

Summary:

Choice A simplifies to 7x-6Choice B simplifies to 7x+2Choice C simplifies to 7x-6Choice D simplifies to 7x-6

Answer:

B

Step-by-step explanation:

i did the math bc im smart :)

Imagine that you are plotting points on a coordinate plane. Each axis is labeled with integers from -5 to 5 explain how you would plot a point at the location (-2 1/2, -4).
Write three to four sentences.

Answers

the answer is in the above picture

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