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3 years ago

Calculate: -3+7 a. -10 b. -4 c. 4 d. 10

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

4 0

Answer:

Step-by-step explanation:

-3+7=4

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The answer is:
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3 years ago

Karen is buying pens and pencils for the new school year. She wants to have no more than 25 writing utensils in all. She also wa

bezimeni [28]

For this case, the first thing we must do is define variables.
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tigry1 [53]

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3 years ago

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20 divided by c write an algebraic expression for the word expression

umka21 [38]

Step-by-step explanation:

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3 years ago

Marlena places a square rug on her living room floor, which is also a square. What area of her floor is NOT covered by the rug?

Kay [80]

Answer:

B. 12 square ft C. 63 square ft

Step-by-step explanation:

Marlena places a square rug on her living room floor, which is also a square.

Now if a square rug is placed in her room, the area of the floor will definitely be the area if the square rug..

And area of a square it = length ²

The result will give s a perfect square for an integer number.

A. 9 square ft = perfect square

B. 12 square ft = not perfect square

C. 63 square ft =not perfect square

D. 81 square ft= perfect square

So the ones that are not perfect squares Is the answer to the question

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3 years ago