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liq [111]
3 years ago
12

Select the expression that is equal to (-2x +9) – (3x – 4).

Mathematics
1 answer:
Anna [14]3 years ago
3 0

Answer:

C

Step-by-step explanation:

(-2x+9-3x-4)

-2x-3x+9-4

-5x+5

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The perimeter of a rectangle is 120 inches. The length is 10 more than the width. Find the length and width
OLga [1]

The formula of a perimeter of a rectangle:

P=2(l+w)

We have:

P=120\ in\\\\l=w+10

Substitute

2(w+10+w)=120\\\\2(2w+10)=120\ \ \ \ |:2\\\\2w+10=60\ \ \ \ |-10\\\\2w=50\ \ \ \ |:2\\\\w=25\\\\l=25+10=35

<h3>Answer: Length = 35 in, Width = 25 in.</h3>
4 0
3 years ago
7
hoa [83]
I think the answer is C.50 miles
4 0
3 years ago
Multiply. Answers should be in simplest form.<br> 3/7 x10
chubhunter [2.5K]

Answer:

4.28

I think this it. I used a calculator online to help solve this problem. I don't know what the answer is but I used an online calculator to solve the problem. I rounded the answer to the nearest hundreth.

5 0
3 years ago
Explain how you know...?
Anestetic [448]

Answer:

60

Step-by-step explanation:

Because 7.7^2 equals 60,

8 0
2 years ago
Which expression is equivalent to 2(7b + 5)?
DENIUS [597]

2(7b + 5) will equal to 14b+10

Explanation:

2 times 7b= 14b

2 times 5= 10

4 0
3 years ago
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