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Olin [163]
3 years ago
14

This relative frequency polygon shows pulse rates of women and men. Identity the midpoints of the class with the most pulse rate

s from women and men respectively. 74.5, 64.5
64.5, 74.4
69.5, 59.5
59.5, 69.5

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

74.5 and 64.5

Step-by-step explanation:

Women midpoints:

54.5 - 0%

64.5 - 30%

74.5 - 35% (most pulse rates from women)

84.5 - 29%

94.5 - 2%

104.5 - 2%

114.5  - 0%

124.5 - 2%

Men midpoints:

0 - 0%

54.5 - 15%

64.5 - 43% (most pulse rates from men)

74.5 - 20%

84.5 - 20%

94.5 - 2%

104.5 - 0%

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Answer:

Jordan made mistake in his first step while multiplying.

Step-by-step explanation:

Given expression of Jordan's work is

14(8+4x) = 6x-(5-11x)

In the first step, Jordan multiplied the numbers to remove the braces.

He multiplied 14(8+4x) wrong as 14*8 is 112 rather than 126and on the right hand side, he did not change the sign of 11x to positive as two negatives are positive when multiplied.

Hence,

Jordan made mistake in his first step while multiplying.

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3 years ago
The manager of a store marks up all items by 15%. If x is the original price, what is the new price with the mark up?
Crank

Answer:

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3 years ago
If f(x) = 2x+7 and g(x) = -3x+5, what is f(g(1))?
Murrr4er [49]

Answer:

f(g(1))=11

Step-by-step explanation:

So we have the two functions:

f(x)=2x+7\text{ and } g(x)=-3x+5

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So, let's find g(1) first:

g(x)=-3x+5

Substitute 1 for x:

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Multiply:

f(2)=4+7

Add:

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So:

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3 years ago
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Hello, Marymack!


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eimsori [14]

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4 years ago
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