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n200080 [17]
3 years ago
15

The sides of a rectangle are -5x + 10 and x – 4. Write an expression for its perimeter.

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
6 0

Answer:

-8x+12

Step-by-step explanation:

Solve:

2(-5x + 10) + 2(x-4)= perimeter

-10x+20 + 2x-8= perimeter

-8x+12= perimeter

Hope this helps! :)

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Show how to make ten to solve 13-7. Write in a number sentence. _-_-_-_-_=_
ser-zykov [4K]

Answer: The answer is 6.

The number sentence is

3-3=0

10-4=6

So, 13-7=6

Step-by-step explanation:

To solve 13-7, by making ten

First break 13 and write 13=10+3

Then break 7 as 7=3+4

Now to subtract 7 from 13,

Step 1. Subtract 3 (a part of 7), from 3(a part of 13) or cross 3 circles, then we have left 10-4

13-7=10+3-(3+4)=10+3-3-4=10-4

Step 2. Subtract 4 from 10 or cross 4 circles out of 10, we get 6.

The answer is 6.

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3 years ago
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siniylev [52]
7-2=5
Ans: 5 bags are small.
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3 years ago
Which ordered pair in the form (x, y) is a solution of this equation?
laiz [17]

Answer:

Substitute the x and y values from the ordered pairs into the equation, one by one, until both sides of the equation are equal.

Step-by-step explanation:

A. (-2,-3)

3 * (-2) - 4 * (-3) = 21

-6 + 12 = 21

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B. (0,7)

3 * 0 - 4 * 7 = 21

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C. (7,0)

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drek231 [11]

Answer:

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Step-by-step explanation:

5675+453

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Now

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1137

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Answer:

I'm pretty sure it's -3/2

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