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ololo11 [35]
3 years ago
13

Simplify (7x) - (-2x). O 5x 0 -5x O 9x 0-9x NEXT QUESTION 2 ASK FOR UEL

Mathematics
1 answer:
marysya [2.9K]3 years ago
3 0

Answer:

9x

Step-by-step explanation:

Since you are subtracting a negative from a positive you would get 9

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Please show work and solve :)
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Answer:

c = 24

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Elena went to a sporting goods store that was having a sale. She bought a tennis ball and 3 cans of tenis balls The tennis racke
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Answer: She will pay $52.68, including taxes

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She will also have to pay taxes, which are 8.5% over the price she paid:

pay + tax = 48.55 x 0.085 = 4.13

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Buying 3 can of tennins ball and one racket, Elena paid $52.68, including taxes.

4 0
3 years ago
A clogged bathtub drains at a constant rate. The amount of water in the bathtub changes by –3.75 gallons in one hour. What is th
IRINA_888 [86]

Change in the amount of water in the bathtub after -48.75 gallons. Negative sign means water get reduce by 48.75 gallons in bathtub.

<h3><u>Solution:</u></h3>

Given that

A clogged bathtub drains at a constant rate.

The amount of water in the bathtub changes by –3.75 gallons in one hour.

Need to determine change in the amount of water in the bathtub after 13 hour.

Change in amount of water in bathtub in one hour = -3.75 gallons  

As given that clogged bathtub drains at a constant rate, so  

Change in amount of water in bathtub in 13 hours = 13 x Change in amount of water in bathtub in 1 hours

=> Change in amount of water in bathtub in 13 hours = 13 x ( -3.75 ) = -48.75 gallons

Hence change in the amount of water in the bathtub after -48.75 gallons. Negative sign means water get reduce by 48.75 gallons in bathtub.

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