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Alenkinab [10]
2 years ago
11

I need help answer ASAP please

Mathematics
1 answer:
alexandr402 [8]2 years ago
8 0

Answer:

option 3

Step-by-step explanation:

sorry if im wrong

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<span>A) $ 0,01 ou 0,05      .........               </span>
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3 years ago
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1. A pair of shoes went on sale 40% off the original price of $78.00. What
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2 years ago
How to do this question plz ​
dimaraw [331]

Answer:

126 people

Step-by-step explanation:

Given that, ratio of people who preferred tea to those who preferred coffee = 9:5

Let number of people who preferred coffee = x

Number of people who preferred tea = x + 36

Total number of people in survey = x + (x+36)

Ratio of people who preferred tea to those who preferred coffee = (x + 36)/x = 9/5

Cross multiply to solve for x

5(x + 36) = x(9)

5x + 180 = 9x

Subtract 5x from both sides

180 = 9x - 5x

180 = 4x

Divide both sides by 4

180/4 = x

45 = x

x = 45

<em>Number of people who preferred coffee = x = 45</em>

<em>Number of people who preferred tea = x + 36 = 45 + 36 = 81</em>

<em>Total number of people in the survey = x + (x + 36) = 45 + 81 = 126 people</em>

6 0
3 years ago
The length of the base of a triangle is twice its height. if the area of the triangle is 121 square​ kilometers, find the height
mariarad [96]
B = 2h

Area = 121
1/2 × b × h = 121
1/2 × 2h × h = 121
h × h = 121
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h = 11

The height is 11 kilometers
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3 years ago
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7 0
2 years ago
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