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tino4ka555 [31]
3 years ago
13

Can someone please help I am stuck. will give brainliest.​

Mathematics
1 answer:
AlekseyPX3 years ago
4 0

Answer:

D

Step-by-step explanation:

(a^{m})^{n}= a^{m*n}\\\\\\(\frac{3^{4}}{7^{3}})^{3}=\frac{(3^{4})^{3})}{(7^{3})^{3}}\\\\=\frac{3^{3*4}}{7^{3*3}}\\\\=\frac{3^{12}}{7^{9}}

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A random sample of students were surveyed as to how much non-school screen time
GaryK [48]

The percentage of students who spend less than 4 hours a week on screens which reported a grade average below 80 is 50%

Given, we have the report representing children spending time online, on social media or watching T.V, which has there effect on there grades as above or below 80.

By the question we know that the number of students who spends less than 4 hours a week on screen is:

9 + 9

= 18

And among the 18 students there are 9 students whose grade average is below 80.

So the percentage of the students who spends 4 hours a week on screen is:

= 9 ÷ 18 × 100%

= 100/2

= 50%

hence 50% students spend less than 4 hours a week on screens.

Learn more about Percentage here:

brainly.com/question/843074

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3 0
1 year ago
22,403 Check:<br>- 8,675<br><br>how i do this​
vodomira [7]

Answer:

Hello!! :) The answer to your question is 13,728

Steps will be below.

Step-by-step explanation:

So we will subtract 22,403 and 8,675.

When we do that we will get 13,728

To check your answer we have to do the opposite of subtracting which will be adding.

This is how we check our work: the answer we got was 13,728...we have to take that answer and add it to 8,675 which will give us 22,403

(Both of the numbers are from the question)

At the bottom I attached a picture of how I did the subtracting and how I checked my work.

Sorry for my handwriting......if you can’t understand my handwriting, I attached another picture which is more clearer.

ANSWER TO YOUR QUESTION: 13,728

Brainliest would be appreciated! Thank you :3

Hope this helps! :)

4 0
3 years ago
Read 2 more answers
A flag is in the shape of a right triangle. The hypotenuse is 17 meters. The length of one leg is 7 meters less than the other l
vova2212 [387]
Somebody is answering it right now
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3/13 as a decmal ronded to the nearest hundeth
Illusion [34]
Simple...

you have: \frac{3}{13}

Dividing-->>

0.23076923

But, remember, you're rounding to the nearest hundreth...

0.23

Thus, your answer.
8 0
3 years ago
Which of the following is the solution?
kirza4 [7]
Same goes for this one. multiply both sides by 32 to get rid of the denominator
hence x = 32*8 = 256
7 0
3 years ago
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