Mathematics Middle School

Determine whether the representation is proportional.y= -9x

Answers

Answer 1

Answer:

Yes it is

Step-by-step explanation:

y=-9x means that for every x value, the y value decreases by 9, so it is proportional because the value of y decreases the same amount each time. For example, if x=1, y=-9. If x=5, y=-45, and so on.

Answer 2
Yes it is proportional

Related Questions

A roller coaster can accommodate 18 riders in 8 minutes. Complete the table with equivalent ratios.

Answers

Answer:C. 32

Step-by-step explanation:

18 X 4 = 72

8 X 4 = 32

So therefore there both equivalant

Bottom right: 32

After 8 is 16

After 16 is 24

After 18 (top) is 36

After 36 (top) is 54

After 54 is 72

The graph

Top row: 18, 36,54,72

Bottom row: 8, 16, 24, 32

Which number line shows the solution set to the following inequality? 12x+13≥17

Answers

Answer:

Where are the number lines?

Step-by-step explanation:

Put them DB and I'll gladly answer!

Which value is in the domain of f(x)?


f(x) = StartLayout Enlarged left-brace 1st row 1st column 2 x + 5, 2nd column negative 6 less-than x less-than-or-equal-to 0 2nd row 1st column negative 2 x + 3, 2nd column 0 less-than x less-than-or-equal to 4


–7

–6

4

5

Answers

Answer: C: 4

Step-by-step explanation:

The domain of the function f(x) is: -6 < x ≤ 4, and the value that is in the domain of the function f(x) is 4

How to determine the value in the domain?

The function is given as:

f(x) = 2x + 5,   -6 < x ≤ 0

f(x) = 2x + 3,   0 < x ≤ 4

The above means that the domain of the function f(x) is:

-6 < x ≤ 0 and 0 < x ≤ 4

When combined, we have:

-6 < x ≤ 4

This means that x is greater than -6 but does not exceed 4

Hence, the value that is in the domain of the function f(x) is 4

Read more about function domain at:

https://brainly.com/question/1770447

#SPJ2

Ishaan is 222 times as old as Christopher. 353535 years ago, Ishaan was 777 times as old as Christopher.

Answers

Answer: I'd say 10 but I'm not that good at math.

Step-by-step explanation: 2 x 35 = 70, 70 / 7 = 10.

My other way of doing it: 7 / 35 = 5, 5 x 2 = 10

Plz only answer question if you are sure... will give brainliest+5 stars+thanks for a good explanation

Answers

Find the value of n.

(-y + 5.3) + (7.2y - 9) = 6.2y + n

Transfer 6.2y to the other side and change its sign.

(-y + 5.3) + (7.2y - 9) - 6.2y = n

Solve for the value of n.

-y + 5.3 + 7.2y - 9 - 6.2y = n

group like terms

-y + 7.2y - 6.2y + 5.3 - 9 = n

0 + (-3.7) = n

-3.7 = n

Substitute n with its value.

(-y + 5.3) + (7.2y - 9) = 6.2y + n

(-y + 5.3) + (7.2y - 9) = 6.2y + (-3.7)

-y + 5.3 + 7.2y - 9 = 6.2y - 3.7

Group like terms

-y + 7.2y + 5.3 - 9 = 6.2y - 3.7

6.2y - 3.7 = 6.2y - 3.7

Hope this Helps

True thank you so much for this really appreciate it

An alrplane descends 1.6 miles to an elevation of 7.75 miles. Find the elevation of the plane before its descent.​

Answers

Answer:

9.35 miles

Step-by-step explanation:

You have to add 1.6 and 7.75

1.6 + 7.75 = 9.35

its elevation before its descent is 9.35 miles

Help, offering 20 points and brainliest for correct​

Answers

Answer:

a= 1 b= 7

Step-by-step explanation:

X^2y12/ xy^5

= x^2–1 • y^12–5

= xy^7

Answer:

[tex]xy^7=x^ay^b[/tex]

Step-by-step explanation:

[tex]\frac{x^2(y^3)^4}{xy^5} = x^a * y^b[/tex] = [tex]\frac{x^2(y^12)}{xy^5} = x^a * y^b[/tex]

[tex]\frac{x^2(y^12)}{xy^5} = x^a * y^b[/tex] = [tex]\frac{x^2(y^7)}{x} = x^a y^b[/tex]

[tex]\frac{x^2(y^7)}{x} = x^a y^b[/tex] = [tex]x^1y^7 = x^ay^b[/tex]

[tex]x^1y^7 = x^ay^b[/tex] = [tex]xy^7=x^ay^b[/tex]

Help again....... Giving 20 brainly 's

Answers

Answer: cant really see the words and my laptop makes it really  blurry already

Step-by-step explanation:

that is right ! :)))

The list shows the number of subscribers to an online blog for 5 consecutive days. 16 144 1,296 11,664 104,976 By what factor did the number of subscribers change each day?

Answers

Answer:

9

Step-by-step explanation:

If we find the factors of each and rewrite them like this:

16, 16 x 9, 16 x 9 x 9, etc.

We notice we are multiplying by a factor of 9 every time we increase the number of subscribers.

Answer:

dog

Step-by-step explanation:

Mrs. Bailey has a flower garden 56 are pink, and 121 are blue. ½ of the pink flowers are blooming. ⅓ of the blue flowers are blooming. How many flowers does Mrs.Bailey have that ARE BLOOMING in her garden.

Answers

Answer:

a

Step-by-step explanation:

If you are using decimals then it would be 68.3 flowers blooming if not then you would round and the answer would be 68 flowers :)

Plz I need help help me plzzzz

Answers

Answer:

4400

Step-by-step explanation:

15 percent is 660

this means 1 percent is 44

this means 100 percent is 4400

please give me brainliest!<3

the radius of a circle is 5 meter what is the area,in square meter,of circle? Round to the nearest tenth

Answers

Answer:

78.54 rounded to the tenths it is 78.5

Step-by-step explanation:

I did the math. And I did my work like this

5*5=25

25*pi=78.5398163

Rounded to hundredths 78.54

Rounded to tenths 78.5 Hope this helps, let me know if correct, and have a great day!!

Answer: 78.54 m²

Step-by-step explanation:

Please help quickly! This is due in like 35 minutes. Answer all questions to please <3

Answers

Ratio dinosaur are cooool

Can anyone do any of these? :[

Answers

Answer:

yes # 7

Step-by-step explanation:

729 times 59049

59778 is the answer

Yes , Question number 8

Answer: 5x^5 y^2

Explanation:

45x^3y / 9 * x^2 y
Do 45/9
: 5
: 5x^3 * x^2

Then combine-
: 5x ^ 3 + 2
: 5x ^ 5
: 5x^5 * (y*y)
:5x^5 y^2

Answer: 5x^5 y^2

how is water vapor different from other gases that make up air?

y'all better hurry up, I don't got no time for this TvT

Answers

Answer: It is an inert gas, which means that it does not react with other chemicals. Water is cycled through all of Earth's systems in each of its three phases: solid, liquid, or gas. Water vapor in the atmosphere is a greenhouse gas due to its heat-trapping ability. Carbon dioxide naturally composes

Step-by-step explanation:

Step-by-step explanation:

water vapour is made up of water droplets so it is different from other gases

(Please look at the NUMBERS below the picture)
Priya drew a circle whose circumference is 20 m. Match all dimensions to this circle. There is one answer that does not match.

BRAINLIEST WILL BE INCLUDED!!!! Thank You!

Answers

This is what I got
Area= 31.83 rounded would be 32
Radius= 3.18 rounded would be 3
Diameter= 6.37 rounded would be 6

Hey everyone i'm here with another question dont worry its easy
so can you help me? :]

Answers

Answer:

5/10 or 1/2

Explination:

You spin the spinner once. Find the theoretical probability of the event. *show your work*

Answers

Answer:

red = 3/6 spaces = 1/2 chance of landing on red

blue has 1/6 spaces so the chance of landing on blue is 1/6

the probability of landing on green is equal to purple because they both have only one space out of six spaces

whaddup killua

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

what is the slope of the line passing through the point(2,-1) and the origin.
This is the whole question, no picture came with it.

Answers

Answer:

- 1/2

Step-by-step explanation:

(0,0) (2,-1)

m = difference of y/difference of x = (-1 - 0) / (2 - 0) = - 1/2

y = - 1/2 x

In a football game, the teams pass the ball on 40% of the plays. Of the passes thrown, greater than 75% are completed. You watch the film of a randomly chosen play. Describe the likelihood that the play results in a complete pass. Explain your reasoning.

Answers

Answer: um hi!

i dont watch football??? sry

Step-by-step explanation: ummmmmmmm yah thxs tho

Answer:

football sucks

Step-by-step explanation:

HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: The scale factor is 2

(2 as a fraction is 2/1)

Answer:The scale factor is 2

Step-by-step explanation:

finding the square units of triangle. how would i find this?

Answers

Answer:

616

Step-by-step explanation:

multiply them each number

Answer:

product of the base the and height divided by 2

14*4/11

=28

Step-by-step explanation:

wow 25 points and brainliest if you give a actual answer

Answers

Answer:

2, 16, 14 in orders from top.

Step-by-step explanation:

a/4=1/2   4 x 0.5 = 2

3/b=1/2   3 x 2 = 6

5/10=1/2

7/c=1/2    7 x 2  = 14

Answer:

2 to 4

3 to 6

5 to 10

7 to 14

Step-by-step explanation:

sorry if wrong

Gerald says that the number of hours he spends exercising each week is proportional. Last week he exercised for 3 days, and exercised a total of 6 hours. This week he exercised a total of 8 hours over 4 days. Is his exercise last week proportional to his exercise this week? Explain your thinking.

Answers

Answer:

1/3t - 8= -6

1/3t= 2

t= 2 1/3

t= 6.06

Step-by-step explanation: 6, i looked it up

Yes what he said is correct

Tony sells sporting goods. He makes a 10% commission on every dollar of sales that he makes. One month Tony got a commission check for $2,500. What were his sales in dollars that month?

Show your work.

Answers

Answer:

He made $25,000 in total. A 10% is 1 tenth of the total. so multiply 2500 by 10.

Step-by-step explanation:

Answer:

2250

Step-by-step explanation:

ANSWER NOW! Erica saw a skateboard on sale for $39.95. The original price of the skateboard
was $59.95. What is the approximate percent discount on the skateboard?

Answers

24.00 is the correct answer... have a great day

PLEASE HELP WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!!!!!
A to C=____mm
C to F=____mm
E to G=____ m
opitions: 3, 30, 0.3

then could you do EFGH=____cm2 and ACFE=___cm2 6, 30, 20, 10


also the volume of the cube

Answers

Answer:

A to C= 30 mm

C to F= 20 mm

E to G= 0.3 m

EFGH= 30 cm2

ACFE= 6 cm2

Volume= 60

A to C = 30 mm
C to F = 20 m
E to G = 0.1 m

EFGH = 30cm2
ACFE = 6cm2

solve for x
6x - 4 + 5 = 37
x=what

Answers

Answer:

6

Step-by-step explanation:

Which algebraic expression could NOT represent the phrase below?

"Four more than the product 3 times the number of c cats"

A: 4 + 3 c

B: (4+3)c

C: 3 x c + 4

D: (3 x c) + 4

Select one.

Answers

Answer:

B

Step-by-step explanation:

because 4 and 3 are grouped together you would add them first. this would change the outcome of the problem.

Is B i hope it’s right

Please answer!!!!!!!!!!!!!!!

Answers

It’s d for sure. I had that
I think it is d if I am wrong I am sorry
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