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Elena-2011 [213]
2 years ago
14

Find the center and radius of the circle defined by the equation given below.

Mathematics
2 answers:
kow [346]2 years ago
6 0

Answer:

your question seem off but if its x² + 2x + y² +10y=15

Step-by-step explanation:

the answer will be

center = (-1,-5)

radius = square root 41

which will be C:center (-1,-5), radius square root 41

Aleks [24]2 years ago
4 0
It was b
Hope this is right?
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PLEASE HELP FAST!!!!!!!!!
Lana71 [14]

Answer:

132 degrees

Step-by-step explanation:

To solve this problem, you need to know a couple of rules

1) Inscribed angle theroem: when an angle is inscribed in a circle and touches the other end (as opposed to ending at the diameter of the circle), the measure of this angle is half of the measure of the arc.

2)Angles of a quadrilateral shape add up to 360 degrees.

3) The angles inside a circle and the angles of the circles arclength adds up to 360 degrees.

So first, solve angle S with inscribed angle theorem. 126/2 = 63

Then, use the rule that all arc angles in a circle add up to 360 degrees to find the arc angle from Q to S. 360-90-126 = 144. Now find angle P with inscribed angle theorem by doing 144/2 = 72.

Now, use the rule that all angles in a quadrilateral add up to 360 to find R. 360-93-72-63 = 132.  

Let me know if this doesn't work, I'll look at it again.

7 0
2 years ago
Find the sum of the polynomials.
attashe74 [19]
=(3a-4a-3a)+(2b+6b-2b)+(-7c+9c-7c)
=-4a+6b-5c #
3 0
3 years ago
Evaluate 3 – 5 · 2 + 8 ÷ 4 – 2 using the correct order of operations.
soldi70 [24.7K]
The answer is
C) -7

Multiply -5 by 2
Divide 8 by 4 :
3-10+2-2
Subtract 10 from 3 :
-7+2-2
Add -7 and 2 :
-5 - 2
Subtract 2 from -5:
-7

3 0
3 years ago
What’s the product (5r+2)(3r-4)
Marrrta [24]
(5r+2)(3r-4) =15r^2-20r+6r-8=15r^2-14r-8
3 0
3 years ago
Read 2 more answers
Which of the following ordered pairs is a solution of the equation y = -4x². Can someone help me solve it. Could you guys also e
RUDIKE [14]

Answer:

graph{3x [-10, 10, -5, 5]}

Explanation:

this function is in the form of

y

=

m

x

+

q

with

m

=

3

,

q

=

0

so it's an straight line: ascending [

m

>

0

], that touch the

y

axis in the point

(

0

,

0

)

[

q

=

0

]

4 0
3 years ago
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