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Yanka [14]
3 years ago
8

A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). The size of the

high-quality version is 4.1 MB. Yesterday, there were 730 downloads of the song, for a total download size of 2377 MB. How many downloads of the high-quality version were there?
Mathematics
1 answer:
Effectus [21]3 years ago
5 0
310 is your answer. hopefully this helps :)
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Please help!!!<br><br> This is my measurement homework
tatyana61 [14]
10) 4 1/2 inches thick. You would add them together and simplify 2/4 into 1/2.

11) Yes. He needed a stick that was about 5 feet long. It is only a little longer and he could easily make it shorter.
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3 years ago
Luis rolled a number cube 60 times. He rolled the number 6 four times. Which is most likely the cause of the discrepancy between
slega [8]
He did not perform enough trials. The more trials you perform, the closer it gets to the predicted outcome.
4 0
3 years ago
Read 3 more answers
Find X in both problems using the pythagorean theorem
malfutka [58]

Answer:

first X=8.94

second X=34

Step-by-step explanation:

5) x^2=4^2+8^2

  x^2=16+64=80

  x=8.94

6)x^2= 31^2+14^2

  x^2=961+196

  x^2=1157

 x=34

5 0
3 years ago
9. A boy rides away from home in an automobile at the rate of 28 miles an hour and walks back at the rate of 4 miles an hour. Th
muminat

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9. A loebskesşbxksjlejs

4 0
2 years ago
Which statements about the system are true?
Kruka [31]

2 Answers:

  • B)  The lines are parallel
  • C)  The lines have the same slope.

Parallel lines always have equal slope, but different y intercepts.

==========================================================

Explanation:

Let's solve the second equation for y

3y - x = -7

3y = -7+x

3y = x-7

y = (x-7)/3

y = x/3 - 7/3

y = (1/3)x - 7/3

The equation is in y = mx+b form with m = 1/3 as the slope and b = -7/3 as the y intercept. We see that the first equation, where y was already isolated, also has a slope of m = 1/3. The two equations of this system have the same slope. Choice C is one of the answers.

However, they don't have the same y intercept. The first equation has y intercept b = -4, while the second has b = -7/3. This means that they do not represent the same line. They need to have identical slopes, and identical y intercepts (though the slope can be different from the y intercept of course) in order to have identical lines. So we can rule out choice D and E because of this.

Because the two equations have the same slope, but different y intercepts, this means the lines are parallel. Choice B is the other answer.

Parallel lines never touch or intersect, which in turn means there is no solution point. A solution point is where the lines cross. We can rule out choice A.

I recommend using your graphing calculator, Desmos, GeoGebra, or any graphing tool (on your computer or online) to graph each equation given. You should see two parallel lines forming. I used GeoGebra to make the graph shown below.

5 0
3 years ago
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