How is estimation helpful in finding a product mentally? Explain.

1 answer:

5 0

When you estimate you either round up or down to get an even number. It's easier to mentally multiply numbers ending in 0.

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Mariana [72]

Answer:3x-x+2=4

Step-by-step explanation: is what i got maybe wrong

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3 years ago

alina1380 [7]

Answer:

w = 10

Step-by-step explanation:

9(w - 9) -2 = -7 + 7(w -8)

Expand:

9w - 81 - 2 = -7 + 7w - 56

Rearrange:

9w - 7w = -7 - 56 + 81 + 2

2w = 20

w = 10

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4 years ago

kondor19780726 [428]

increase in x results in the decrease in y

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2 years ago

Bingel [31]

Answer:

x = 3/2

Step-by-step explanation:

x- 3/4 + 2/3 = 17/12

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3 years ago

Vaselesa [24]

Answer: (x+5)

(x-2) (x+2)(x-5) are factors the equation

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3 years ago