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erica [24]
3 years ago
15

Pls HELP !!! this is a test. I NEED URGENT HELP AND SHOW WORK PLS

Mathematics
2 answers:
Katena32 [7]3 years ago
6 0

Answer:

(3,1) and radius is 6

h= 3 and k = 1

( x- 3)^2+( y-1)^2= (6)^2

(x- 3)^2+( y-1)^2= 36

Step-by-step explanation:

The formula for the equation of a circle is (x – h)^2+ (y – k)^2 = r^2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle.

mihalych1998 [28]3 years ago
6 0

Answer:

The general equation for a circle is

{(x - x\frac{}{1})}^{2}  +  {(y - y \frac{}{1})}^{2}  =  {r}^{2}

where (x1, y1) is the coordinate of the center of the circle and r is its radius. In this case, the center is at (3, 1) and its radius is r = 6. Therefore, we write its equation as

{(x - 3)}^{2}  +  {(y - 1)}^{2}  = 36

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soldi70 [24.7K]

Answer:

x = 9

Step-by-step explanation:

1/2(6x - 10) + 10 = 5x - 13

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3 0
3 years ago
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A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets
solong [7]

Answer:

a=8

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Step-by-step explanation:

solve simultaneously:

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times the first eq. by 3 and the second by 2

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6a +6c = 81

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6a + 12c = 114

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6c = 33

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7 0
3 years ago
Andrew got a 95% on the test. If there were 80 questions on the test, and every question worth the same, how many questions did
Lemur [1.5K]

Answer:

Out of 80 questions Andrew did 76 questions correctly.

Step-by-step explanation:

Total number of questions is 80.

It is given that he got 95% on the test. It means he answered 95% of the total questions correctly.

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80\times \frac{95}{100}=76

The 95% of 80 is 76. So, 76 answers are correct.

Therefore out of 80 Andrew did 76 questions correctly.

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3 years ago
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Plsssssssssss Help!!!!!
klio [65]

Answer: A : no

              B : no

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The human resource department at a certain company wants to conduct a survey regarding worker benefits. The department has an al
Mama L [17]

Answer:

Explained below.

Step-by-step explanation:

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