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KiRa [710]
3 years ago
5

Julianna works 32 hours each week. She earns $14.15 an hour. Which is closest to the amount of money Julianna will earn if she w

orks for 46 weeks.(Please show work?)
A) $16,800
B) $18,000
C) $21,000
D) $22,500
Mathematics
1 answer:
andrezito [222]3 years ago
5 0
32 hours * 46 weeks = 1,472 hours
1,472 * $14.15 = 20,828.8

Answer C is your answer
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Let the two numbers be x and y.

According to your question;

x + y = 7
10y + x = 10x + y + 9

By equation 1 ; x = 7-y

Substituting the value of x ;

10y + ( 7 -y) = 10(7-y) + y + 9

9y + 7 = 70 -10y + y + 9

9y + 7 = 70 - 9y + 9

=> 18y = 70 -7 + 9
=> 18y = 72
=> y = 4

Substituting for x ;

x = 7 - y
=> x = 7 -4
=> x = 3

Thus, x = 3 and y = 4;
=> The number is 34.
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Answer:

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What is the five number summary for the data set 0,2,2,4,5,5,5,5,7,11
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The median/middle is 5 and the minimum is 0 and the maximum is 11. The first quartile is 7/5= 1.4 and the second is 4/2 = 2

Step-by-step explanation:

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Researchers have discovered a new genetic marker for a form of cancer. Twelve percent of the overall population carry this marke
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Answer:

The probability that a person with the marker develops cancer is 0.0725.

Step-by-step explanation:

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<u>Given:</u>

P (A) = 0.03

P (B) = 0.12

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The conditional probability of an event <em>X</em> provided that another event <em>Y</em> has already occurred is:

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Use the conditional probability formula to compute the probability that a person with the marker develops cancer.

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Thus, the probability that a person with the marker develops cancer is 0.0725.

3 0
3 years ago
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