3 years ago

Please help! will give brainlist

Mathematics

1 answer:

LuckyWell [14K]3 years ago

5 0

The answer would have to be D

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Which of the following equations is in equation formed when completing the square on y^2 - 12 y= -27

bogdanovich [222]

Answer:

$(y-6)^2=9$

Step-by-step explanation:

Given

$y^2 - 12y = -27$

Required

Get equivalent expression using completing the square

Follow these steps:

Take the coefficient of y; That is -12

Divide it by 2; That is (-12/2)

Square it: (-12/2)^2

Add to both sides of the equation

$y^2 - 12y + (\frac{-12}{2})^2= -27 + (\frac{-12}{2})^2$

$y^2 - 12y + (-6)^2= -27 + (-6)^2$

$y^2 - 12y + 36= -27 + 36$

$y^2 - 12y + 36= 9$

Expand the right-hand side

$y^2 - 6y - 6y + 36= 9$

Factorize:

$y(y-6)-6(y-6) =9$

$(y-6)(y-6)=9$

$(y-6)^2=9$

5 0

3 years ago

A suit is on sale for

Luba_88 [7]

476+23.8+11.9= 499 510 the answer is 511.70

5 0

4 years ago

I only have 8 minutes left please help!!! The expression h(x)= -5x2 + 25x + 70 can be used to estimate the height(h), in meters,

rewona [7]

Hence x is 7 seconds

8 0

3 years ago

5x < -10 please help me and solve this so I don't fail

Setler [38]

Answer:

x<-2

Step-by-step explanation:

Divide both sides of the inequality by 5 to solve for x.

4 0

3 years ago

Round 222702 to the nearest ten thousand

melomori [17]

220000 because 2 rounds down

4 0

3 years ago

Read 2 more answers