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melisa1 [442]
3 years ago
14

Christy drove 135 miles in 2.5 hours.what was her average speed in miles per hour

Mathematics
2 answers:
garri49 [273]3 years ago
8 0
54 miles per hour................
Trava [24]3 years ago
6 0
54 miles per hour. you divid 2.5 from both numbers because that will give you 1 hour and its miles.
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Simplify 5(x-6). A.)-x<br> B.)5x-6<br> C.)10x-30
Over [174]

Answer:

5x-30

Step-by-step explanation:

1. distribute 5(x-6)

= 5x-30

8 0
2 years ago
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Help Plz
mr Goodwill [35]

Answer:

it's easy if you're 3 below ground level then it would be -3 and now you just add 12

Step-by-step explanation:

-3+12=9

3 0
3 years ago
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The length of each edge of a cube is decreased by 40 percent By what percent does the volume of the cube decrease? Express your
lora16 [44]

Answer:

78% (to the nearest tenth)

Step-by-step explanation:

Volume of a cube = (length )³

Let the length of the cube = y

Original volume = y³

if the length is decreased by 40%, then new length = 1- (40% of y)

                                                                                     = 1-0.4y

                                                                                     =  0.6%

New volume (after decreasing the length) = (0.6y)³

                                                                      =  0.216‬‬y³

% Volume decrease = (Original volume - New volume)/Original Volume x 100%

                                 =  (y³ - 0.216‬‬y³)/ y³  x 100%

                                 = 0.784y³/y³  x 100%

                                 =78.4%

                                ≈78%

5 0
3 years ago
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What does 4x-2y=2 equal to step by step
podryga [215]

Answer:

y = 2x - 1

Step-by-step explanation:

4x - 2y = 2

So I'm assuming that your goal is to solve for the value of y in terms of x

First: the whole equation can be divided by 2

2x - y = 1

Second: subtract 2x from both sides

-y = -2x + 1

Third: divide each side by -1

y = 2x - 1

Done! I would appreciate Brainliest but no worries.

5 0
2 years ago
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Find each angle measure
tigry1 [53]

Answer:

1=125

2=55

3=55

4=125

5=125

6=55

7=55

8=125

Step-by-step explanation:

5 0
2 years ago
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