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Mazyrski [523]
2 years ago
7

At the school Halloween dance. 85% of the students were present. If there are 765 students at the dance then how many total stud

ents are enrolled at school?​
Mathematics
1 answer:
marishachu [46]2 years ago
3 0

Answer:

900 students

Step-by-step explanation:

We have, 85% × x = 765 or, 85/100 × x = 765. Multiplying both sides by 100 and dividing both sides by 85, we have x = 765 × 100/85. So x = 900. If you are using a calculator, simply enter 765×100÷85, which will give you the answer.

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Sub in the numbers
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seraphim [82]

Answer:

D

Step-by-step explanation:

Let x be Bill’s scores.

Let y be Theo’s scores.

x + y = 90

x² = y

Solve for x in the second equation.

x = √y

Put x as √y in the first equation and solve for y.

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√y = 90 - y

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Put y as 81 in the first equation and solve for x.

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8 0
3 years ago
Congratulations! You just landed your dream job. You have three choices for your salary. Which of the following options would re
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Answer:

(b)

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8 0
2 years ago
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3 x 104 + 2.5 x 105 =<br> A. 0.5 x 105<br> B. 2.8 x 105<br> C. 3.25 x 105<br> D. 5.5 x 109
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Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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