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3 years ago

penny reads 10 pages in one fourth 1/4 hour. What is the unit rate for pages per hour? For hours per page?

Mathematics

2 answers:

zavuch27 [327]3 years ago

8 0

The answer you are looking for is. Penny reads 10 pages every 20 min

Sergeeva-Olga [200]3 years ago

5 0

She reads 10 pages in 20 minutes

or

she reads 1 page a minute

which ever on you need

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Simplify the expression (-7)2. -14 49 -49 14 OwO

MissTica

Answer:

-14

Step-by-step explanation:

-7*2= -14

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2 years ago

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The cost of a week long vacation in a city has a mean of 1000 and a variance of 1200. The city imposes a tax which will raise al

matrenka [14]

Answer:

The coefficient of variation after the tax is imposed is 0.033

Step-by-step explanation:

Given

$\mu =1000$ --- mean

$\sigma^2 = 1200$ --- variance

$tax = 10\%$

Required

The coefficient of variation

The coefficient of variation is calculated using:

$CV = \frac{\sqrt{\sigma^2}}{\mu}$

After the tax, the new mean is:

$\mu_{new} = \mu * (1 + tax)$

$\mu_{new} = 1000 * (1 + 10\%)$

$\mu_{new} = 1100$

And the new variance is:

$\sigma^2_{new} = \sigma^2 * (1 + tax)$

$\sigma^2_{new} = 1200 * (1 + 10\%)$

$\sigma^2_{new} = 1320$

So, we have:

$CV = \frac{\sqrt{\sigma^2}}{\mu}$

$CV = \frac{\sqrt{1320}}{1100}$

$CV = \frac{36.33}{1100}$

$CV = 0.033$

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3 years ago

The first term of a linear sequence is 3 and the 18th term is 31. Find the common difference

Vikentia [17]

Answer:

i dont know sorry

Step-by-step explanation:

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2 years ago

a shopper paid $52 for a handbag during a sale. The handbag was priced at 65% off its original price. Which equation can be used

aleksklad [387]

52 ×.65= X The answer would be $80. Hope i could be helpful :)

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3 years ago

What is 347,168 round to then thoudands

Finger [1]

Answer:

347,168 rounded to the nearest ten thousands would be 350,000.

Step-by-step explanation:

When rounding to the nearest ten thousands, you rely on the thousands place value to indicate whether to round up or down. 5 or higher give it a shove, 4 or less let it rest. 7 is in the thousands place meaning we round up. 4 is in the ten thousands place meaning it becomes 5. 347,168 rounded to the nearest ten thousands would be 350,000.

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3 years ago

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penny reads 10 pages in one fourth 1/4 hour. What is the unit rate for pages per​ hour? For hours per​ page?

penny reads 10 pages in one fourth 1/4 hour. What is the unit rate for pages per hour? For hours per page?