Mathematics Middle School

What are the two ways you could write a constant of proportionality equation?

Answers

Answer 1
You can write y = kx and kx = y and it means the same thing.
Answer 2
She is right just put what she said and you should be fine

Related Questions

Find the new amount given the original amount and the percent of change. $5; 40% increase The new amount is $

Answers

Answer:

3

Step-by-step explanation:

5$ -40%=3

If you are asking what is 40% of 5 then your answer is 2

Mary is 21 years old. Her age is 9 years more than 3 times Henry’s age. Which equation can be used to determine x, Henry’s age in years?

HELP ASAP PLEASE

A: 3x + 9 = 21
B: 21 + x = 3(9)
C: 9 + 21 = 3x
D: x + 9 = 21

Answers

Answer:

i think its a

Step-by-step explanation:

Answer:

21 = 9+3x or A

Step-by-step explanation:

the answer is a :)

Please help! I will give brainliest! Thank You!

Answers

Answer:

c

Step-by-step explanation:

Answer:C

Step-by-step explanation:

52
5 halves

−52
negative 5 halves

−25

Answers

Answer:

its the one you have clicked on

Step-by-step explanation:

It’s 5/2 (Answer A) because it is not negative there fore it is none of the others

Can anyone help me out with this question

Answers

Answer:

70

Step-by-step explanation:

The % itself stands for a ratio of 100, so 70% would be 70/100

Answer:

70/100

Step-by-step explanation:

This is because if you break down a percantage, it is just a fraction or decimal. The numerator is 70 because 70/100 = 0.7

0.7 is just the decimal form of the percent "70%"

Why are we unable to see x-rays?

btw I know this is not math but I put it as math because if I put it as physics no one would see it ;-;

Answers

Answer:

they're similar to visible light except their wave length is much shorter, causing them to be invisible to the naked eye

Answer:

We are unable to see x-rays because x-ray light it is too blue for us to see.

Step-by-step explanation:

Too much blue light can cause retina damage to the eye or eye strain. Their are kinds of lens that help protect you from blue light. There are good things about blue light but this is why we can't see x-rays.

I hope this helps!

I NEED A ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ms. Koehl used to be a waitress. She gets tipped 220% on her bill.

What is 220% as a fraction and decimal?

Answers

Answer:2.20 and 2/200

Step-by-step explanation:

Answer:

2.2

Step-by-step explanation:

A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. The perimeter is 19 inches.

What is the measure of x?

5
3
9
2

Answers

Answer:

x=9

Step-by-step explanation:

x + x - 4 + x - 4 = 19

3x - 8 = 19

3x = 19 + 8

3x = 27

x = 9

Answer: x=9

Step-by-step explanation:

There are three sides 2 that are x-4 and 1 that is x. The equation would be

x+2(x-4)= 19 so you would simplify to get

X+2x-8=19 then 3x=27 then divide by three to get x=9

Change each improper fraction to a mixed number.
Enter your answer in simplest form.
2.
62/7
Question 3
1 pts

Answers

you divid the top by the bottom and get 8.8571
divide and you’ll get 8.8571

Simplify the expression by distributing and combining like terms.


HELP ME!!!!!X(

Answers

This is wat i get when i combine like terms 7.6x-1

Plz and thank you I need help

Answers

Answer:

ummm there is nothing

Step-by-step explanation:

it’s not working right :/

PLEASE HELP ME IT'S DUE LIKE RN!!!


Explain how you know if an ordered pair is a solution to an equation or not.
(Please use your words and math, with an example.)

Answers

Answer:

You can plug in the pair into the equation

Step-by-step explanation:

You take the ordered pair and plug it into the equation. If it matches, that is your solution

For example:  y=2x+1 .  Pair:  (1,3)

Plug 3 for y and 1 for x.  3=2(1)+1 is 3

Answer:

Just answering so you can give the other person brainliest

Step-by-step explanation:

100) slope and y-intercept , answer ASAP ( I will give extra points)

Answers

Answer:

now this one i don't understand. i got the last one but not this one.

Step-by-step explanation:

A and B are numbers A+B=0. What is true about integers A and B?​

Answers

B and A are a zero because you can’t use those numbers in an equation and get an answer
A and B could both be 0 or they can be the same number but one has to be negative and one has to be positive here are some examples
A= -81
B= 81


A= 12
B= -12

Liam puts $1500 in a savings account at an annual interest rate of 3%. If Liam does not withdraw or deposit any money, what is the interest that Liam will earn at the end of eight months?



$15


$60


$30


$360

Answers

The answer is $30 because 3% of 1500 is 45, and 2/3 of 45 is 30.

Answer:

The answer is 30

Hope this helps:)

Step-by-step explanation:

This box is a right rectangular prism with a base that has dimensions of 6 m and 7 m. The volume of the box is 378 m3. What is the height of this box?

Answers

Answer:

29.07m³

Step-by-step explanation:

7+6=13

378÷13=29.07m³

Answer: 9

Step-by-step explanation:

i got it right

Anna spent $42 of her savings on music downloads. if the amount she spent was 30% of her savings, how much savings did she have before downloads

plzzzz help

Answers

42/x = 30/100
Flip to get x on top and multiply 42 by 100. You get 4200 and then div that by 30 to get 140.
She had 140 before downloads
i solved this nd i agree with them^^

Which of the following expressions represents the phrase "six added to five times a number"?
O6+5x
O6+5+x
O5+6x
o 11 x

Answers

It’s a because 6 is being add to 5 which is being multiplied with x

convert 5 killogram into grams . here are the answer choices A.5,000 B.500 C.50 D. 5,500

Answers

The answer to this question is 5000
A. 5,000 hope this helps

For the function y = 4x – 2, what is the value of the function when x is equal to -3?
14
-14
-10
10

Answers

Answer:

-14

Step-by-step explanation:im in 8thgrade plus this  4x  4 -3   -12 -2=-14 bam easy

plus

-14 I believe tell me if it’s wrong

The band wants to order T-shirts. The T-shirts cost $15 each plus a shipping fee of $10. Write an expression to find the total cost of c T-shirts.

Answers

Answer:

t(15)+10=c

Step-by-step explanation:

x = t shirt
c = cost

(x * 15) + 10 = c

Graham is folding a piece of paper to make an origami figure. Each time he folds the paper, the thickness of the paper is doubled. The paper starts out flat, with a thickness of 3 millimeters.
A. Write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. Explain how you came up with your ordered pairs.
B. Is this relation a function? Explain why or why not using the ordered pairs you came up with in Part A.

Answers

Answer:

I just did this on my flvs exam! A:

The ordered pairs are

0,3

1,6

2,12

3,24

4,48

5,96

B: this is a function, because for each output value, there is exactly 1 input value

Step-by-step explanation:

Notice how output values are added to eachother as they increase

Erica earn money by tutoring and babysitting. She always tutors for 5 hours each week and the amount she babysits changes from week to week. let x be the hours that arica babysitters. Write an expression to show the total numbers of hours erica works each week.
Numbers That you have to use to solve this problem: +,-, . , =, ( , ), x, 5, 8, 13

Answers

Answer: could u put it in a simpler way pls .....

Step-by-step explanation:

Let a = 4 and b = 3. Select from the drop-down menu to create a true statement. 2ab+b2 ​ > 3a2– Choose... A. 2 B. 2b C. 4a D. 4b

Answers

Answer:

   the first one is correct

Step-by-step explanation:

Your answer would be La La La

Can someone help me with this ASAP

Answers

Answer:

it's 88 percent

Step-by-step explanation:

such as comparison informs consumers that 100 percent kf apple juice is 88 percent water

88% is the answer for this

I will give brainyest

Answers

2 Large Box=6.24

3 Small box=5.04Answer:

0.14

0.13

0.01

0.48 or -1.2

Step-by-step explanation:

Easye as pie

16 ounce is 2.24

24 ounce is 3.12

ok 2.24/16

0.14 price per ounce

for first one

now second one

3.12/24

0.13price per ounce

second one

0.14-0.13=0.01

for last question

2 large boxes=6.24 dollars

each large box=24ounces

2 boxes=48

0.13*48=6.24

6.24 dollars for 2 large boxes

3 small boxes=5.04

0.14 each ounce and 12 each small box

so 12*3=36

36*0.14

5.04

so if the smalle box had 48 ounces it would costs 6.72

2 Large Box=6.24

3 Small box=5.04

-1.2

now into the ounces

6.72-6.24

0.48

0.14
0.13
0.1
0.48
1.2

this is due soon pls help pls help with ALL the question

Answers

6+(-5) is the same as 6-5 because when adding negative 5 to 6 you are basically subtracting a regular 5 from 6. So the + in front of the parenthesis makes the 5 a positive: 6+(-5) —— 6-5

just look at the screenshot that i shared

There are 5,280 feet in 1 mile. If Riley ran 26,400 feet, how many miles did she run? [Type your answer as a number.]

________ miles

Answers

Answer:

Step-by-step explanation:

5,280=1mile

26,400=26,400/5,280

5miles.

Answer:
Riley ran 5 miles

Step-by-Step:
If in 1 mile there is 5,280 feet and Riley ran 26,400ft we can divide 5,280 and 26,400 to find how many miles she ran. 5,280 / 26,400 = 5. Riley ran 5 miles

What is the slope of the line through (-4,2)(−4,2)left parenthesis, minus, 4, comma, 2, right parenthesis and (3,-3)(3,−3)left parenthesis, 3, comma, minus, 3, right parenthesis? Choose 1 answer: Choose 1 answer: (Choice A) A \dfrac57 7 5 ​ start fraction, 5, divided by, 7, end fraction (Choice B) B \dfrac75 5 7 ​ start fraction, 7, divided by, 5, end fraction (Choice C) C -\dfrac57− 7 5 ​ minus, start fraction, 5, divided by, 7, end fraction (Choice D) D -\dfrac75− 5 7 ​

Answers

Answer:

-5/7

Step-by-step explanation:

slope = (difference in y)/(difference in x) = (-3 - 2)/(3 - (-4)) =

= -5/(3 + 4) = -5/7

Answer: -5/7

Answer:

-5/7 that is the answer

Step-by-step explanation:

Which is true about the solution to the system of inequalities shown? y > 3x + 1 y 3x + 1 are solutions. Only values that satisfy y 3x + 1 or y < 3x – 3 are solutions. There are no solutions.

Answers

Answer:

there are you just got to find them

Its A because 3x+1y and the other ones wouldn’t be
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