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Delicious77 [7]

2 years ago

8

Solve for X and Y

1 answer:

Annette [7]2 years ago

3 0

Answer:

What do you mean?

Step-by-step explanation:

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Kelly watches 3/5 of a movie in 5/8 of an hour. How much time wil it take her to watch the entire movie?

iVinArrow [24]

well, putting the movie in fifths, she watched 3/5, the whole movie will be 5/5 = 1.

$\begin{array}{ccll} \stackrel{movie}{fraction}&hour\\ \cline{1-2} \frac{3}{5}&\frac{5}{8}\\[1em] \underset{whole}{1}&x \end{array}\implies \cfrac{~~ \frac{3}{5}~~}{1}=\cfrac{~~ \frac{5}{8}~~}{x}\implies \cfrac{3}{5}x=\cfrac{5}{8}\implies \cfrac{3x}{5}=\cfrac{5}{8} \\\\\\ 24x=25\implies x = \cfrac{25}{24}\implies x = 1\frac{1}{24}\qquad \textit{1 hour, 2 minutes and 30 seconds}$

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2 years ago

The value of 25+144 is 13. O True O False

Vladimir79 [104]

<h2>true</h2>

I did it on my calculater and the answer came as 13

hope that helps :)

5 0

3 years ago

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What are the solutions to the system?

artcher [175]

Answer:

A

Step-by-step explanation:

I just plugged each variable into the equation. A is the only one that works.

4 0

3 years ago

Eric put several CD's in a case. Four CDs are country, six are rap and ten are pop. If Eric picks one CD from the case without l

Kipish [7]

Answer: D, 1/2

Step-by-step explanation:

4 country, 6 rap, 10 pop = 20 total

10 pop / 20 total

10 / 20 = 1/2

4 0

2 years ago

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A cone has a height of 2.5 in. and a radius of 5 in. What is the volume of the cone? (Use 3.14 for Pi. Round the answer to two d

Stells [14]

Answer:

$V =\frac{1}{3} \pi r^2 h$

And replacing we got:

$V = \frac{1}{3} (3.14) (5in)^2 (2.5in) = 65.42 in^3$

And the best option would be:

65.42 Inches cubed

Step-by-step explanation:

For this case we have the following info given:

$h =2.5 in$ represent the height of the cone

$r = 5 in$ represent the radius

And the volume of the cone is given by;

$V =\frac{1}{3} \pi r^2 h$

And replacing we got:

$V = \frac{1}{3} (3.14) (5in)^2 (2.5in) = 65.42 in^3$

And the best option would be:

65.42 Inches cubed

6 0

2 years ago

Read 2 more answers