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Jobisdone [24]
2 years ago
13

The average cost of college tuition increases from $8500 to $13,500 over a period of 8 years. Find the annual inflation rate to

the nearest tenth of a percent.
Mathematics
1 answer:
vovangra [49]2 years ago
6 0

Answer:

Follow my insatagram onlypiccolo for answerStep-by-step explanation:

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If an exterior angle of a regular polygon measures 40°, how many sides does the polygon have?
nataly862011 [7]
The sum of all exterior angles is always 360 degrees.
360/40=9 sides

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At a balloon festival, 268 people
klasskru [66]
1,132 people came to watch the balloon festival.
3 0
2 years ago
The hourly wages of a sample of 130 system analysts are given below.
atroni [7]

Answer: b. 30%

Step-by-step explanation:

  • A measure of relative variability is known as coefficient of variation. It is the ratio of the standard deviation to the mean.

i.e. CV=\dfrac{\sigma}{\mu}

Given: mean =  \mu=90

Variance = \sigma^2 = 729

\sigma=\sqrt{729}=27

Now, CV=\dfrac{27}{90}=0.3

in percent , CV= 0.3\times100\%= 30\%

Hence, correct option is  b. 30%.

8 0
3 years ago
Pls answer this questionn plss ill mark u brainliest
DedPeter [7]
Okay so there are 100 white balloons, 200 pink balloons, and we are specified that the ratio of pink to yellow is 10:1 soo we can plug 200:20 which can be simplified to 100:10 which can then be simplified to 10:1 there is our ratio. So there are 29 yellow balloons. Therefore there are only 80 balloons left which would mean there are 80 blue balloons!:)
5 0
2 years ago
Hope's watch gains 8 minutes every 2 hours. How much time will it gains in ; a) 12 hours b) 13 hours​
prisoha [69]

Answer:

A = 48, and B = 52

Step-by-step explanation:

Simplify 8 = 2 hours to 4 = 1 hour, then multiply 4 times 12 to get the answer to a. The answer to b would be multiplying 4 times 13.

3 0
3 years ago
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