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Roman55 [17]
2 years ago
13

The circle below is centered at the origin and has a radius of 10. What is its equation?

Mathematics
1 answer:
xz_007 [3.2K]2 years ago
3 0

Answer:

x^2 + y^2 = 100

Step-by-step explanation:

The general form of the equation of a circle is

(x-h)^2+(y-k)^2 = r^2

where (h,k) is the center and r is the radius

(x-0)^2+ (y-0)^2 = 10^2

x^2 + y^2 = 100

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Determine the value of r so the line passing through each pair of points has the given slope
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We can use the slope formula to solve this one:
m=\frac{y_2-y_1}{x_2-x_1}
\frac{1}{2}=\frac{2-3}{r-6}
(r-6)=2(-1)
r-6=-2
r=4
4 0
3 years ago
8x-3(-z-y)<br> X= 1 <br> Y=3 <br> Z=-2
Masteriza [31]

Answer:

11

Step-by-step explanation:

8x - 3(-z - y)

Substitute

8(1) - 3(-(-2) - 3)

Simplify

8 - 3(-1)

Multiply

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Add

11

8 0
3 years ago
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A company is paying a local radio station to run its commercials. The cost for running commercials is a one-time campaign fee an
PolarNik [594]
Y = 250 + 100x....the slope is 100

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5 0
3 years ago
Use p = 2 and p = 8 to determine if the two expressions are equivalent. 4(2 + p) 14 + p Complete the statements.
Maru [420]

Answer:

The expressions are not equivalent.

Step-by-step explanation:

Here we have two expressions:

4*(2 + p)

14 + p

We want to evaluate these two expressions in two different values of p to check if the expressions are equivalent or not.

First, we evaluate both of them in p = 2, this is just replace p by 2 in each expression and then solve it.

4*(2 + 2) = 4*4 = 16

14 + 2 = 16

In this case, we can see that both expressions yield the same number, so we could think that the expressions are equivalent, now let's try with other value of p.

Now let's do it with p = 8

4*(2 + 8) = 4*10 = 40

14 + 8 = 22

Now we can see that the results are different, then we can conclude that the expressions are not equivalent.

4 0
3 years ago
Is 0.04 greater than 0.4
valentinak56 [21]
No 
0.04 is actually smaller than 0.4 because the four is in the hundredths place which is smaller than the four in the tenths place of 0.4
7 0
3 years ago
Read 2 more answers
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