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Olin [163]
3 years ago
8

The distance between -7 and 2 on the number Iine is O 10 09 0-5 05

Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0

Answer:

9

Step-by-step explanation:

Calculate the absolute difference of the 2 points, that is

| - 7 - 2 | = | - 9 | = 9 , or

| 2 - (- 7) | = | 2 + 7 | = | 9 | = 9

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What is the value of X?
LenKa [72]

Answer:

5.625 or 5-5/8 or 45/8

Step-by-step explanation:

Solve using Similar triangles again

ratio of 4:7.5

3/x=4/7.5 cross multiply

22.5=4x

x=22.5/4=5.625=5-5/8=45/8

7 0
2 years ago
Answer fast its sue by end of class
shtirl [24]

Step-by-step explanation:

question 1. Solve the equation 8-7/10 c = 6 - 1/5c for c

8 - 7/10c = 6 - 1/5c

subtract 8 from both sides:

8 - 7/10c - 8 = 6 - 1/5c - 8

- 7/10c  = -2 - 1/5c

add 1/5c to both sides:

- 7/10c + 1/5c = -2 - 1/5c  + 1/5c

- 7/10c + 1/5c = -2

change to common denominator:

- 7/10c+ 2/10c = -2

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multiply both sides by -2:

- 1/2c(-2) = -2(-2)

c = 4

___________________________________

question 2. 75 - 3.5y - 4y = 4y + 6 for y

75 - 3.5y - 4y = 4y + 6

75 - 7.5y = 4y + 6

add 7.5y to both sides:

75 - 7.5y + 7.5y = 4y + 6 + 7.5y

75 = 11.5y + 6

subtract 6 from both sides:

75 - 6 = 11.5y + 6 - 6

69 = 11.5y

divide both sides by 11.5:

69/11.5 = 11.5y/11.5

y = 6

___________________________________

Question 3. Solve the equation 16.5 + 2.75h = 9h + 7.5 − 4.25h for h.

16.5 + 2.75h = 9h + 7.5 − 4.25h

16.5 + 2.75h = 4.75h + 7.5

subtract 7.5 from both sides:

16.5 + 2.75h - 7.5 = 4.75h + 7.5 - 7.5

9 + 2.75h =  4.75h

subtract 2.75h from both sides:

9 + 2.75h - 2.75h =  4.75h - 2.75h

9 = 2h

divide both sides by 2:

9/2 = 2h/2

h = 9/2

6 0
1 year ago
The united states uses 24℅ of the world's supply energy what fraction of the world's energy is this ?
Mice21 [21]
24% = 24/100 = 12/50 = 6/25 

24% is 6/25 fraction of world's energy.
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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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The length of a side is 18.
Here is my work attached:
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