3 years ago

Write an addition or subtraction fact.then write a strategy you could use to add or subtract.

1 answer:

8 0

30+8=38
0+8=8
3+nothing=3

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user100 [1]

First of all 5-(-8) is the same thing as 5+8. So you would add 5+8=13

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3 years ago

zhenek [66]

Range {-7.5,-6.5,-6,-5,-3.5}

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3 years ago

Delicious77 [7]

If 2 plus 2 is four... then what the hell is this?

8 0

3 years ago

Morgarella [4.7K]

Correct. 357 × 20 = 7,140 (Just make sure the 20 × 7 column is 140, not 14).

Checking this:

7,140 ÷ 20 = 357

Hope this helps!

7 0

3 years ago

Nataly_w [17]

Answer:

a=15

Step-by-step explanation:

$a^{2} =9*25\\a^{2} =225\\\\\sqrt{a} =\sqrt{222\\a=15$

Hope it helps

3 0

3 years ago