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Yanka [14]
3 years ago
9

Find the center and radius of the circle with equation (x+7)^2 + (y+5)^2 = 81

Mathematics
1 answer:
Radda [10]3 years ago
7 0

Answer:it’s the last one

Step-by-step explanation:

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18. What is the y-intercept of the line that passes<br> through the points (1, 1) and (5, 13)?
TEA [102]

Answer:

-2

(The coordinate point is (0,-2))

Step-by-step explanation:

First, make an equation of the line.

Start off with finding the slope:

Slope = (13-1)/(5-1) = 12/4 = 3

Then solve for the y-intercept though substitution and simplification:

y=mx+b --> 1=3(1)+b --> 1=3+b --> b= -2

So the answer is -2.

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3 years ago
What is third of 1 2/3
arlik [135]

Answer:

5/9

Step-by-step explanation:

1/3 * 1 2/3

1/3 * 5/3

5/9

8 0
3 years ago
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Tcecarenko [31]
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4 0
3 years ago
Simplify -3x^2-5x^2(4x^3-x^2)2
PSYCHO15rus [73]

Let's simplify step-by-step.

−3x2−5x2(4x3−x2)(2)

Distribute:

=−3x2+−40x5+10x4

Answer:

=−40x5+10x4−3x2

8 0
3 years ago
|9-(-1)|= simplify the expression
Hitman42 [59]

Answer:

10

Step-by-step explanation:

Remove parentheses.

|9+1|

Simplify  9+1  to 10.

|10|

simplify

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3 years ago
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