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Ilia_Sergeevich [38]
3 years ago
11

Pls help soon make it in like 3 mins or less pls

Mathematics
1 answer:
klio [65]3 years ago
4 0
The answer is 52 if your adding
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Which equation is y = 2x2 – 8x + 9 rewritten in vertex form?
pishuonlain [190]

we have

y=2x^{2} -8x+9


Group terms that contain the same variable, and move the constant to the opposite side of the equation

y-9=2x^{2} -8x


Factor the leading coefficient

y-9=2(x^{2} -4x)


Complete the square. Remember to balance the equation by adding the same constants to each side

y-9+8=2(x^{2} -4x+4)

y-1=2(x^{2} -4x+4)


Rewrite as perfect squares

y-1=2(x-2)^{2}

y=2(x-2)^{2} +1-----> equation in vertex form


therefore


the answer is the option C

y=2(x-2)^{2} +1


3 0
3 years ago
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3 years ago
If mZA= 78°, what is the mZB?
Andrei [34K]

Answer:

possible answers below!

Step-by-step explanation:

if they are vertical angles then the measure of ZB is 78

if they are supplementary then ZB is 102 degrees

if they are complementary then ZB is 12 degrees

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Is 0.1212212221222 a rational or irrational number?
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-(v + 7) -3 = -26 + v
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v = 8

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2v = -10+26

2v = 16

v = 8

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3 years ago
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