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WINSTONCH [101]

3 years ago

12

For a field trip 9 students rode in cars and the rest filled three busses. How many students were in each bus if 99 students wer

e on the trip? 2 step equation

1 answer:

taurus [48]3 years ago

8 0

Answer: 30 students per bus

Step-by-step explanation: 99-9=90

90/3=30

30 students per bus

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If y = 12 when x = 9 find, x when y = 4

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Answer:3

Step-by-step explanation:

12/4=3, 9/3=3

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2 years ago

Write an equation of the circle with center (4,5) and radius 9.

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Answer:

I'm going to write both of these because maybe you have a fill in the blank question. I don't know.

$(x-4)^2+(y-5)^2=9^2$

Simplify:

$(x-4)^2+(y-5)^2=81$

Step-by-step explanation:

$(x-h)^2+(y-k)^2=r^2$ is the equation of a circle with center (h,k) and radius r.

You are given (h,k)=(4,5) because that is the center.

You are given r=9 because it says radius 9.

Let's plug this in.

$(x-4)^2+(y-5)^2=9^2$

Simplify:

$(x-4)^2+(y-5)^2=81$

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3 years ago

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66.8421% decrease

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3 years ago

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