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elixir [45]
3 years ago
15

HELPPP PLEASE PLEASE Please just help on number 15 16 17

Mathematics
1 answer:
Brums [2.3K]3 years ago
4 0

Answer:

use formaul

Step-by-step explanation:

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A cyclist travels 5.8 km in 30 minutes. <br> What is his average speed in km/h?
Sauron [17]

Answer:

11.6km/h

Step-by-step explanation:

multiply 30 min by 2 to get to an hour

multiply 5.8 by 2 to get to km per hour

4 0
3 years ago
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The length of a swimming pool is 4 feet longer than 2 times its width. If the perimeter of the pool is 128 feet, what is the wid
alexandr1967 [171]
P = 2(L + W)
P = 128
L = 2W + 4

128 = 2(2W + 4 + W)
128 = 2(3W + 4)
128 = 6W + 8
128 - 8 = 6W
120 = 6W
120/6 = W
20 = W <=== width is 20 ft

L = 2W + 4
L = 2(20) + 4
L = 40 + 4
L = 44 <=== length is 44 ft
5 0
3 years ago
HELP PLZZZZ !!!!!!!!!!!!
jeyben [28]
The answer to your question is B
4 0
3 years ago
How do I solve this equation? Please, if you will, explain.
Licemer1 [7]
Yes, but your answer will be a decimal, but make sure you check your work and one way you can check your work is by first combing like terms, and then solve it as it is an equation. 

7 0
3 years ago
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PLEASE HELP!!!!!!
vlada-n [284]

Answer:

I believe D. B12

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3 years ago
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