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gulaghasi [49]
3 years ago
5

How to find circumference ​

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer:

The formula is simply this: C = πd. In this equation, "C" represents the circumference of the circle, and "d" represents its diameter. That is to say, you can find the circumference of a circle just by multiplying the diameter by pi.

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System of equations
nalin [4]

Answer:

The solution of the system of equations is the point (-3,0)

Step-by-step explanation:

we have

-3x+y=9 -----> equation A

2x-y=-6 -----> equation B

Adds equation A and equation B

-3x+y=9\\2x-y=-6\\------\\-3x+2x=9-6\\-x=3\\x=-3

Find the value of y

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9+y=9

y=9-9=0

The solution of the system of equations is the point (-3,0)

4 0
3 years ago
Let f(x)=4x+7 and g(x)=3x-5. find (fog)(-4)<br><br> A. -9 <br> B. -61 <br> C. -32 <br> D. -17
vovikov84 [41]

Answer:

B

Step-by-step explanation:

To evaluate (f ○ g)(- 4), first evaluate g(- 4) then substitute this value into f(x)

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