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shtirl [24]
3 years ago
13

Can someone help my sister with #3 and #4 please. I tried and I can’t figure it out.

Mathematics
1 answer:
castortr0y [4]3 years ago
4 0

#3 Which of the following is less than 527 m?

A. 0.000699 Mm = 0.000699 · 1,000,000 m = <u>699 m</u>  

B. 914,879,710 nm = (914,879,710 : 1,000,000,000) m = <u>0.914879710 m</u>  

C. 51,723 cm = (51,723 : 100) m = <u>517.23 m</u>  

The best answer is C


#4 How many songs would you have if the average file size is 4,000 kb?

8 gb: 1,700 songs

16 gb: 6,000 songs

2 gb: 500 songs

160 gb: 30,000 songs

64 gb: 14,000 songs

1 Terabyte = 1024 gb: so im guessing 350,000 songs

This depends on the length of the song and the file format/type. A typical mp3 song of around 4 minutes averages 4 MB (4000 KB).

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Answer:

just divide 48 by 120

Step-by-step explanation:

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What is the slope of the line that goes through the points (1,-5) and (4,1)?
lesya692 [45]

Answer: m = 2

Step-by-step explanation:

What we know:

  • The slope needs to pass through the points (1, -5) and (4, 1)
  • There are 4 potential slopes given to us- only one is correct
  • We need to find the slope and make sure it is an option

How to solve:

By using the slope equation and the two points given to us, we can calculate the slope.

Process:

  • Set up equation                                                 (y2 - y1) / (x2 - x1)
  • Substitute                                                            (1 +5 ) / (4 - 1)
  • Simplify                                                                6 / 3
  • Simplest form                                                      2/ 1 =

Slope =                                                                          2

Solution: m = 2

4 0
2 years ago
A rug is 12 feet wide and 15 1/2 feet long. What is the area of the rug?
fgiga [73]

Answer:

372 feet^2

Step-by-step explanation:

A=LW

A=(15 1/2)(12)=(31/2)(12)=(31/2)(24/2)=744/2=372

3 0
3 years ago
The lcm of 165xy and 77x 3 y is _____. 1,155x 3y 11xy 12,705x 4y 2 105x 3y
trapecia [35]
The least common multiple (LCM) can be determined by factoring out the terms first,
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                              77x³y = (7)(11)(x)(x)(x)(y)
Copy the factors writing off the repeated factors only once,
                        LCM = (3)(11)(5)(x)(y)(7)(x)(x)= 1155x³y
The answer is 1155x³y (first choice) 
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