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2 years ago

7

If using the method of completing the square to solve the quadratic equation x^2-14x+30=0, which number would have to be added t

o "complete the square"?

2 answers:

Luba_88 [7]2 years ago

7 0

We add 49
If you need an explanation lmk

jeka57 [31]2 years ago

4 0

Answer:

we add 49

Step-by-step explanation:

the answer is in the above image

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Write an equation for the description

MissTica

Answer:

$131=6w$

Step-by-step explanation:

$l=length\\\\w=width\\\\\Longrightarrow l=2w\\\\\Rightarrow Perimeter=l+l+w+w\\\\P=2l+2w\\\\P=2(2w)+2w\\\\P=4w+2w\\\\P=6w\\\\P=131\\\\131=6w\\\\w=\frac{131}{6}\\\\w=21.8\overline{3}\\\\l=43.\overline{6}$

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3 years ago

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baherus [9]

Pretty sure it would be A

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2 years ago

Is (-1, 2) a solution?

Anni [7]

Answer:

It can be an answer to many things.

Step-by-step explanation:

There needs to be some sort of picture or other item to explain what is going on.

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3 years ago

Harold bought 3 pounds od red applesand 4.2 pounds of green apples from Blue Star Company,where both kinds of apples were $1.75

alexandr1967 [171]

3(1.45)+4.2(1.75)= 5.25+7.35= 12.6 therefore Harold spent $12.60 on apples.

8 0

3 years ago

PLEASE HELP ANSWER CORRECTLY !!!!!!!!!!!!!! WILL MARK BRIANLIEST !!!!!!!!!!!!!!

Nina [5.8K]

Hello, hehelol12.

The length of PR is the same as TR.

Length of PR = 11.

The measure of angle PQR is the same as angle RST.

Measure of angle PQR = 39

I hope this helps you out!

PS. Brainliest would be appreciated. :)

4 0

2 years ago