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leonid [27]
3 years ago
12

Area of a circle w a radio us 6

Mathematics
1 answer:
Charra [1.4K]3 years ago
8 0
 the answer is pi36 bc the formula for area is pir^2
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Leno4ka [110]
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3 years ago
-4x=30-2y , - 15 = - 2y + 11x Which the first step determining the given ordered pair solution?A. Replace x with 13 and y with -
Andru [333]

Answer:

B. Solve each equation for a variable

Is (-1,13) a solution of the system:  Yes it is x =1, y= 13

Step-by-step explanation:

-4x=30-2y

- 15 = - 2y + 11x

-4x=30-2y

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- 2y + 11x=  - 15 ---------------ii

make x the subject of formula in equ i

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cross multiply

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if y = 13

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3 years ago
SOCIAL SECURITY Social Security numbers are of the form XYZ - MN - ABCD. A. The first three digits XYZ are referred to as the ar
aev [14]

Social Security numbers are of the form XYZ - MN - ABCD

Part A:

The first three digits XYZ are referred to as the area number

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That means we have 7 choices for X

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That means we have 10 choices for Y and also 10 choices for Z

So, the number of possible ways are

7\times10\times10=700

But we know that the area code 666 has never been used.

So we need to subtract this one from the total.

700-1=699

Therefore, the total number of possible area codes is 699.

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1 year ago
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AleksandrR [38]

Answer:

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Step-by-step explanation:

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