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insens350 [35]
3 years ago
8

HELPPPP

Mathematics
2 answers:
Monica [59]3 years ago
6 0

Answer:

12.6%

Step-by-step explanation:

12.6% is 30 percent of the bill

krek1111 [17]3 years ago
3 0

Answer:

12.60

Step-by-step explanation:

To find the tip, take the amount of the bill and multiply by 30%

42 * 30%

Change to decimal form

42 * .30

12.6

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10. The ratio of the measures of the sides of a
Tomtit [17]

Answer:

42

Step-by-step explanation:

10x+15x+6x=217

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How many square feet of outdoor carpet will we need for this hole?
Juliette [100K]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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15. convert the following values into scientific notation, a) 42,670,000 B) 0.0000008
MatroZZZ [7]

Answer:

8x10^-7

Step-by-step explanation:

First one you have correct however the second one you were close lets figure it out:

0.0000008

In order to move the decimal in front of the eight we have to "jump" 7 times to the right.  Furthermore since we have to move the decimal to the right our exponent will be negative.  That means that we have:

0.0000008=8 \times 10^{-7}


~~~Brainliest Appreciated~~~

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