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1 year ago

-57 + 57 I really need the answer

Mathematics

2 answers:

Citrus2011 [14]1 year ago

4 0

It’s 0 because 57-57=0

3241004551 [841]1 year ago

3 0

Answer:

The answer is 0

Step-by-step explanation:

-57 cancels out 57 making it 0.

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Question 11 options:

9966 [12]

Answer:

x = 12

length = 4 cm

width = 20 cm

Step-by-step explanation:

a = lw

Plug in the givens

80 = (x - 8)(x + 8)

Multiply

80 = x^2 - 64

Add 64 to both sides

144 = x^2

Take the square root of both sides

x = ±12

(The negative root is extraneous since the dimensions can not be negative)

x = 12

length = x - 8 = 4 cm

width = x + 8 = 20 cm

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2 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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Gnoma [55]

Answer:

option c is the correct answer

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3 years ago

Round 5,890 to the nearest thousand

frutty [35]

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