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Dimas [21]
4 years ago
10

How do you do number 7 please hurry

Mathematics
2 answers:
fgiga [73]4 years ago
6 0
Circle is 360 degrees. what is 360 divided by 3
sweet-ann [11.9K]4 years ago
3 0
To find the area you use the formula A = pr^2
So if the radius is 3y, substitute it in the r place.

A = p(3y)^2
A = 9y^2p

(p means pi)
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how do you solve y=x+4 and y=-2x+1 using the subsituation method and show work and please give me the correct answer
SIZIF [17.4K]

Answer:

(-1,3)

Step-by-step explanation:

so y=x+4 and y=-2x+1

obviously, y=y

so that means that x+4 is equal to -2x+1

let's use that

y=x+4,y=-2x+1

y=y

x+4=-2x+1

x+2x=1-4

3x=-3

x=-1

y=x+4

y=(-1)+4

y=3

(-1,3)

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Step-by-step explanation:

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