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Thepotemich [5.8K]
2 years ago
9

Volume questionnnnnn

Mathematics
1 answer:
qaws [65]2 years ago
5 0

Answer:

a

Step-by-step explanation:

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The points A-1,-9) and K(5,1) are endpoints of a diameter of circle 5. Which equation represents circle S?
Lilit [14]

Answer:

A

Step-by-step explanation:

if (x1,y1) and (x2,y2) are the extremities of diameter,then eq. of circle is

(x-x1)(x-x2)+(y-y1)(y-y2)=0

reqd. eq. is (x+1)(x-5)+(y+9)(y-1)=0

x^{2} +x-5x-5+y^2+9y-y-9=0\\x^{2} -4x+y^2+8y-14=0\\compare with x^2+y^2+2gx+2fy+c=0\\center (-g,-f) \\radius r=\sqrt{g^2+f^2-c}

center is (2,-4)

r=√(2²+(-4)²-(-14))

=√(4+16+14)

=√(34)

eq. of circle is (x-2)²+(y+4)²=34

or

(x²-4x)+(y²+8y)=14

(x²-4x+4)+(y²+8y+16)=14+4+16

(x-2)²+(y+4)²=34

4 0
3 years ago
Please solve the exponential equation and show work. 15^3x-5=87
Nataly [62]
X=92/3375
This is the answer
8 0
3 years ago
I NEED THIS ASAP WORK IS ABOUT TO BE DUE IN A COUPLE OF HOURS​
Gemiola [76]

Answer:

D

Step-by-step explanation:

The interquartile range is the difference between the last dot on the box and the first dot on the box.

20 - 40:

150 - 110 = 40

50 - 70:

125 - 95 = 30

4 0
2 years ago
What number can you multiply $95 by to equal the discounted price of $61.75
pickupchik [31]
You could multiply it by .65 because 95.65 is equal to 61.75.

Answer is .65

7 0
3 years ago
Read 2 more answers
7x = -67 - 11v<br> 5x = -73 - 11v
Burka [1]

Answer:

x = 3, v = -8

Step-by-step explanation:

Substitute x.

\frac{-67-11v}{7}

[5 • \frac{-67-11v}{7} = -73 - 11v]

Isolate v.

5 \frac{-67-11v}{7} = -73 - 11v

v = -8

Substitute v.

x = \frac{-67-11(-8)}{7}

x = 3

4 0
3 years ago
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