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Natali [406]
3 years ago
11

Solve for the variable. x ÷ -9 = -7 A. -16 B. -2 C. 0.8 D. 63

Mathematics
2 answers:
Feliz [49]3 years ago
8 0
I think the answer is d)63
frutty [35]3 years ago
3 0
If your equation is \frac{x}{-9} = -7, the only thing you need to do to get x by itself is to get rid of the denominator, the -9.  To get rid of a denominator, you multiply both sides by it, so you're left with 

x=-9*-7 so x=63
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How do you work out "2(c+4)="
Nonamiya [84]

First you do distributive property.

2c + 8 = 0

Then subtract 8 with 0

2c = -8

Then divide -8/2

<h2>c = -4</h2><h2>Hope this helps :)</h2><h2 />
5 0
3 years ago
MANUFACTURING A shoe manufacturer spends $2.50 to make sandals and $4 to make running shoes. During a typical month, they spend
jonny [76]

Answer:

200 pairs of sandals

Step-by-step explanation:

Represent the sandals with x and the running shoes with y.

In a typical month:

Total = 2500

In April

Total = 3000

Required

The number of sandals in a typical month

<u>In a typical month:</u>

If 1 sandal costs 2.50, then x costs 2.50x

If 1 running shoe costs 4, then y costs 4y

The total is:

2.50x + 4y = 2500

<u>In April:</u>

If 1 sandal costs 2.50, then 2x costs 5x ---- <em>we used 2x because the pairs is doubled </em>

If 1 running shoe costs 4, then y costs 4y

The total is:

5x + 4y = 3000

The equations are:

5x + 4y = 3000

2.50x + 4y = 2500

Subtract

5x - 2.50x + 4y - 4y = 3000 - 2500

2.50x = 500

x = \frac{500}{2.50}

x = 200

8 0
3 years ago
I REALLY NEED HELP<br><br> Find the value of x
tiny-mole [99]

Answer:

I think the value of X is 3.

Step-by-step explanation:

Because, it should be almost equal to the other side. Sorry if I'm not right.

5 0
3 years ago
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zhuklara [117]
(3x + 1) (2x + 7)

Factored by grouping
3 0
3 years ago
There are two balance beams at the gym.one is 15 feet long ,theother is 162 inches long.which beam is longer?
Oduvanchick [21]
12 inches = 1 foot

Let x=length of 2nd balance beam in feet

by ratio and proportion

1/12 = x/162

multiply noth sides by 162 to isolate x

(1/12)(162) = (x/162)(162)

162/12 = x

13.5 = x

Source -->https://socratic.org/questions/at-the-gym-one-balance-beam-is-15-feet-long-while-the-other-is-162-in...<--

can you help me? brainly.com/question/3131429 
7 0
3 years ago
Read 2 more answers
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