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Norma-Jean [14]
3 years ago
5

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the prob

ability of randomly choosing a student who is taking only math?
56%

39%

49%

74%

HURRY PLEASE
Mathematics
2 answers:
qaws [65]3 years ago
8 0

Answer:

56%

Step-by-step explanation:

90 ÷ 160

= 0.56

0.56 × 100

= 56%

Naddik [55]3 years ago
4 0

Answer:

56%

Step-by-step explanation:

Your question is asking for students who are taking only math. Of 160 students, 90 are taking only math. This gives you the proportion of \frac{90}{160} = 0.56. To find percents, just multiply it by 100 to get 56%.

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D. 26

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If x = 29 but y = x + x - 2x, how can x be represented algebraically through the context of polynomial division
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Answer:

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2 years ago
5 năm trước tổng số tuổi của hai mẹ con là 55 tuổi. Hiện nay tuổi con bằng 4/9 lần tuổi mẹ. Tính số tuổi của mẹ và tuổi con hiện
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3 years ago
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netineya [11]

Answer:

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7 0
2 years ago
a photograph is printed in the center of a piece of paper measuring 7 cm by (x + 8) cm. The photo measures 5 cm by (x +6) cm . T
Nadusha1986 [10]

The paper is 7 cm by (x + 8) cm.

A photo is 5 cm by (x + 6) cm, and is printed in the middle of the paper.

The area of the border/space around the photo is 50 cm².


To find the area of the border around the photo, you find the area of the paper and subtract it by the area of the photo.


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The area of the photo:

A = 5 · (x + 6)


Your equation to find the area of the border around the photo is:

(7 · (x + 8)) - (5 · (x + 6)) = A

[area of paper - area of photo = area of border]


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Distribute/multiply the - to (5x + 30)

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Subtract 26 on both sides

2x = 24


Divide 2 on both sides


x = 12

7 0
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