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larisa [96]
3 years ago
15

Please help and quickly please and 20 points with brainelest Thank you

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
6 0

Answer:

The answer is 34

Step-by-step explanation:

Order of operation is P.E.M.D.A.S. , or parenthesis, exponents, multiplication or division, then addition or subtraction.

  • 3(12-9)+5²   Parenthesis
  • 3(3)+5²   Exponents
  • 3(3)+25   Multiplication
  • 9+25   Addition
  • 34   Answer
uysha [10]3 years ago
5 0

Answer: The answer is B. 34

Step-by-step explanation:

3(12−9)+5^2

=(3)(3)+5^2

=9+5^2

=9+25

=34

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Answer:

•12

Step-by-step explanation:

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4 0
2 years ago
There are 84 boys in the 6th grade class. If boys make up 30% of the 6th graders, how many students are in this whole 6th grade
koban [17]
<h3>Answer:  280</h3>

Work Shown:

x = number of students in the 6th grade class

30% = 30/100 = 0.30

30% of x = 0.30x this is equal to 84 since "30% of the 6th graders are boys (and there are 84 boys in sixth grade)", so we say 0.30x = 84

Divide both sides by 0.30 to isolate x

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0.30x/0.30 = 84/0.30

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7 0
3 years ago
Read 2 more answers
21. Mickey earned $475 from mowing lawns last summer. He deposited this money in an
Dennis_Churaev [7]

Answer:

first, u need to know the formula for compound interest, which is:

A = P(1 + \frac{r}{100})^{n}

where A is the final amount

P- initial amount

r- percent compounded(interest)

and

n- number of years

so

we have

A = 475(1 + \frac{3.8}{100})^{4}

3.8/100 = 0.038

1+0.038 =1.038

1.038^4 = 1.160885573136

475 * 1.160885573136 = 551.4206472396‬

approximately $551.42

5 0
4 years ago
Anya is watching a football game on TV. She
madreJ [45]

Answer: 24 commercials

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7 0
3 years ago
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VashaNatasha [74]

Answer:

9:27

Step-by-step explanation:

So to get to 9:00, we need 3 minutes so now you have 27 minutes left of break. Then, you add 27 and you get 9:27. I hope this helped and please mark me brainliest!

5 0
3 years ago
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