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3 years ago

Help fast plsssssssssss

Mathematics

2 answers:

Vilka [71]3 years ago

8 0

Answer:

- and -. =+ so-9+12=3

Step-by-step explanation:

the minus changes to plus and then we solve

bearhunter [10]3 years ago

4 0

-9-(-12)=-9+12=3
-9-12=-9+(-12)=-21

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natka813 [3]

Answer:

Your answer is that the magazine would cost $1.33 per issue.

Step-by-step explanation:

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2 years ago

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Use a calculator or a square root table to approximate to the nearest thousandth

Vadim26 [7]

Answer:

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Step-by-step explanation:

Here we have to calculate the square root of a certain number using the help of the calculator or a square root table.

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2 years ago

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3 years ago

Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer.

valentinak56 [21]

Answer:

1,225 miles = 77616000 inches

Step-by-step explanation:

It is asked to find the number of inches in 1,225 miles

Given

1 inch ≈ 1.578 × 10^-5 miles

Therefore, 1 mile = 63360 inches

Therefore, 1,225 miles = 1225 x 63360 inches

1,225 miles = 77616000 inches

or 1,225 miles = 7.7 x $10^{7}$ inches

Therefore the final answer is

1,225 miles = 77616000 inches

or 1,225 miles = 7.7 x $10^{7}$ inches

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