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3 years ago

6

You are getting ready for a family vacation. You decide to download as many movies as possible before leaving for the road trip.

If each movie takes
1 2/5 hours to download, and you downloaded for 5 1/4 hours, how many movies did you download?

1 answer:

VLD [36.1K]3 years ago

5 0

Answer:

3.75 hours

Step-by-step explanation:

Divide them.

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Simplify: <br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B6%5E%7B3%7D-7%5Ccdot3%5E%7B4%7D-2%5E%7B5%7D%5Ccdot9%7D%7B%5Cleft%281-

klio [65]

Answer:

Simplifed:

$\frac{6^{3}-7\cdot3^{4}-2^{5}\cdot9}{\left(1-2^{3}\right)^{3}+7^{3}}$

$\frac{6^{3}-7\cdot3^{4}-2^{5}\cdot9}{\left(1-2^{3}\right)^{3}+7^{3} } \\ \frac{216 - 567 -288 }{ { - 7}^{3} + {7}^{3} } \\ \frac{ - 639}{0}$

infinity

6 0

2 years ago

The classes at the middle school want to raise money. The sixth grade runs a bake sale for 55 hours and makes $170$170. The seve

kvv77 [185]

The sixth grade makes 3.09 per hour

The seventh graders make 2.54 per hour

the eighth graders make 2.90 per hour

So the sixth graders make the most per hour. you can check this answer by taking the amount of money made and divide it by the time that it takes to raise the total amount of money raised by each class of students.

5 0

3 years ago

You bought a large cooler that holds 5 gallons. How many quarts is that?

gizmo_the_mogwai [7]

If you buy a 5 gallon cooler, it should be able to hold 20 quarts!!

i hope this helped

7 0

3 years ago

Read 2 more answers

A teacher asks students to list the math lessons they learned on nine random school days in the past month. She evaluates the st

Fittoniya [83]

Simple random sampling.

4 0

2 years ago

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10) Thirty-seven percent of the American population has blood type O+. What is the probability that at least four of the next fi

lisabon 2012 [21]

Answer:

0.06597

Step-by-step explanation:

Given that thirty-seven percent of the American population has blood type O+

Five Americans are tested for blood group.

Assuming these five Americans are not related, we can say that each person is independent of the other to have O+ blood group.

Also probability of any one having this blood group = p = 0.37

So X no of Americans out of five who were having this blood group is binomial with p =0.37 and n =5

Required probability

=The probability that at least four of the next five Americans tested will have blood type O+

= $P(X\geq 4)\\= P(X=4)+P(x=5)\\= 5C4 (0.37)^4 (1-0.37) + 5C5 (0.37)^5\\= 0.06597$

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3 years ago

Read 2 more answers