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jok3333 [9.3K]
3 years ago
9

Truncate the decimal expansion of

Mathematics
1 answer:
valina [46]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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Which equation is y = 9x2 + 9x – 1 rewritten in vertex form?
Llana [10]

Answer:

1. y = 9(x+1/2)^2 -13/4

Step-by-step explanation:

y = 9x^2 + 9x – 1

first isolate the x terms

y = 9(x^2 +x) -1

then add 1/4 inside the brackets to make it a perfect square trinomial (half of the coefficient of the x term squared is how we get 1/4)

since we just added 1/4 we need to subtract what we just added to balance the equation. so 1/4 times 9 is 9/4 ( the number we just added to the equation). then you subtract 9/4 outside of the brackets.

y = 9(x^2 +x +1/4) -1 -9/4

then simplify

y = 9(x+1/2)^2 -13/4

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3 years ago
The question is in the picture btw
Naddik [55]

Answer:

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2 years ago
AB = BC = AC
IgorLugansk [536]

Answer:

  45 cubic units

Step-by-step explanation:

See attached.

3 0
3 years ago
Luka is eating crackers.each serving has 1.6 grams of fat.She ate 0.75 serving of crackers during lunch and is now eating 1.5 se
Ber [7]
3.6 is the answer youre looking for
8 0
3 years ago
Help? please tysvm!!!
trapecia [35]

Answer:

C

Step-by-step explanation:

It's the mean, I hope this helps! :)

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