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ddd [48]
2 years ago
6

In 2009, Jennifer made $11.50 an hour, and in 2010, she made $12.75 an hour. What is the percent of change in Jennifer’s pay per

hour from 2009 to 2010?In 2009, Jennifer made $11.50 an hour, and in 2010, she made $12.75 an hour. What is the percent of change in Jennifer’s pay per hour from 2009 to 2010?
Mathematics
1 answer:
Tanzania [10]2 years ago
6 0

Answer:

10.9% Increase

Step-by-step explanation:

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A jar contains 17 orange, 7 pink, and 4 black marbles. A marble is drawn at random. What is the probability that the marble is p
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17+7+4=28

17+7=24

24 out of 28

3 0
3 years ago
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If u-ai + bj and v-ci + dj are vectors, then which of the following statements is not true?
alukav5142 [94]

Answer:

Option C

Step-by-step explanation:

Given that u-ai + bj and v-ci + dj are vectors

We have dot product

u.v = (ai+bj).(ci+dj) hence inner product of u and v.  So option a is true

The dot product of u and v is a scalar is true because dot product is always a scalar

The dot product of u and v is a vector. is false because dot product is only a scalar and has no direction and hence cannot be a vector

The dot product of u and v is given by the expression ac+bd

True because we multiply corresponding i components and j components and add.

So only C is not true.

7 0
2 years ago
At a local college 100 students were asked about their major fields of study. The results are shown below. What is the probabili
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Answer:

7/10

Step-by-step explanation:

To find the probability that a student is a liberal arts or female, we have to add together all of the people who were female or liberal arts majors in the study. If we add those together, (15 + 18 + 17 + 20) we get 70. 70/100 can be simplified to 7/10.

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2 years ago
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To the nearest​ dollar, the average tuition at a public four−year college was $3088 in 1997 and $3292 in 2000. ​Find, to the nea
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the fees in 1997 was $3088

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so average rate of increase is $68 per year

4 0
3 years ago
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900 x 8 in , 2ft in cubic inches, guessing
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