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Otrada [13]
3 years ago
14

Ana bikes for 5.5 hours. She covers a distance of 57.75 mi. Assuming she bikes at a constant speed, how fast was Ana biking?

Mathematics
2 answers:
Anastaziya [24]3 years ago
5 0

Answer:

D. 10.5 mi/h

Step-by-step explanation:

I took the test online in K12 and when I reviewed it said that 10.5 is the correct answer.

Doss [256]3 years ago
3 0
The answer is D. because if you do 57.75 divided by 5.5 you get 10.5 mi/h



hope this helps :)
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3 years ago
Can someone please help me with this math problem.
mr Goodwill [35]
PART A:
Find the rate of change between 1980 and 1989
d for P₁ = 80 - 60
d for P₁ = 20

d for P₂ = 76 - 82
d for P₂ = -6

The rate of change in P₁ is 20 hundred per year. The rate of change in P₂ is -6 hundred per year.

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Find the rate of change between 1989 and 1996
d for P₁ = 100 - 80
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d for P₂ = -6

The rate of change in P₁ is 20 hundred per year. The rate of change in P₂ is -6 hundred per year.

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Find the rate of change between 1980 and 1996
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The rate of change in P₁ is 40 hundred per year. The rate of change in P₂ is -12 hundred per year.
4 0
3 years ago
Can you help me solve systems of equations by elimination step by step<br> -5x+9y=-12<br> 3x+2y=22
Sergio039 [100]

Answer:


Step-by-step explanation:

First solve -5x+9y=-12 for x:


-5x+9y=-12

-5x+9y-9y=-12-9y

-5x=-12-9

-5x=-9-12

-5x/-5=-9/5-12/-5

x=9/5y+12/6


Substitute x into an equation


3(-9/5y+12/6)+2y=22

37/5y+36/5=22

37/5y+36/5-36/5=22-36/5

37/5y=74/5

37/5y/37/5=74/5/37/5

y=2


Substitute y in x=-9/5y+12/6


9/5(2)+12/6

x=6


Solution Set: (6,2)




xoxo


   

6 0
3 years ago
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