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Taya2010 [7]
3 years ago
5

Can y’all help me on question 8?!

Mathematics
1 answer:
hjlf3 years ago
8 0

Answer: A, B and E,

Step-by-step explanation:

the first number is always the x axis. :)

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Write the standard equation for the hyperbola with the following conditions: vertices: (-2, -3) and (6, -3) foci: (-4, -3) and (
STALIN [3.7K]
Hello,

Vertices are on a line parallele at ox (y=-3)

The hyperbola is horizontal.

Equation is (x-h)²/a²- (y-k)²/b²=1

Center =middle of the vertices=((-2+6)/2,-3)=(2,-3)
(h+a,k) = (6,-3)
(h-a,k)=(-2,-3)
==>k=-3 and  2h=4 ==>h=2
==>a=6-h=6-2=4 (semi-transverse axis)

Foci: (h+c,k) ,(h-c,k)
h=2 ==>c=8-2=6

c²=a²+b²==>b²=36-4²=20

Equation is:
\boxed{ \dfrac{(x-2)^2}{16} - \dfrac{(y+3)^2}{20} =1}





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3 years ago
The length of a rectangle is twice the width. The perimeter is 126 centimeters.
krok68 [10]

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a

Step-by-step explanation:

3 0
3 years ago
Is PQR = STU? if so, name which similarity postulate or theorem applies.
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3 years ago
What is the slope of a line perpendicular to the line whose equation is 4x-2y=-16.
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Step-by-step explanation:

the slope of the first line is 2

to get the line perpendicular, you swap the numerator and denominator, then if positive make negative and the other way around

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2 years ago
Find the product. (-5a 2)3 · a 5 -15a10 -125a11 15a6 -125a10
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3 years ago
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