3 years ago

PLEASE PLEASE HELP ME

Mathematics

1 answer:

Anna007 [38]3 years ago

4 0

Answer:

<h2>Sorry I couldn't find it.</h2>

Step-by-step explanation:

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10 exponent negative 9 divided by 10 exponent negative 3

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$\frac{x^a}{x^b}=x^{a-b} \\ x^{-a}= \frac{1}{x^a} \\ \\ \\ \frac{10^{-9}}{10^{-3}} =10^{-9-(-3)}=10^{-9+3}=10^{-6}= \frac{1}{10^6} = \frac{1}{1000000} =0,000001$

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3 years ago

Let A = {1,2,3,4,6,8,9,12,18,24} Ordered by the relation of order

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Answer:

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What is the volume of this cylinder?

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131.88

Step-by-step explanation:

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3 years ago

In a seventh grade class, 14 out of 30 students are boys. In simplest terms, what is the ratio of the number of boys to the numb

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${Hello,\;There!}$

They already give you the number of boys {14}, so all you need to do is subtract 30 - 14 which will give you the ratio of girls.

It does this because 14 takes up $\frac{14}{30}$ of the seventh grade class.

$\text{30 - 14 = 16}$

So your answer is going to be 14:16 un-simplified.

However, since they ask you to put it in the simplest terms, we are going to simplify $\frac{14}{16}.$

You can do this by dividing both numbers by 2.

= $\frac{14 \div 2}{16 \div 2}=\frac{7}{8}$

$\bold{So\;your\;answer\;is\;going\;to\;be}$

$= \frac{7}{8}$ or $\text{7:8}$

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Step-by-step explanation:

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