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Oksi-84 [34.3K]
3 years ago
10

Which statement describes the first step to solve the equation by completing the square?

Mathematics
1 answer:
denis-greek [22]3 years ago
8 0
<span>Ans: Multiply both sides of the equation by 1/3 .

3x^2 + 18x = 21
</span>Multiply both sides of the equation by 1/3 . [because coefficient of x^2 must be 1]
x^2 + 6x = 7

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The answer is D.
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4 0
3 years ago
Jackie surveyed the first 20 students in the lunch line.
Yanka [14]

Answer:

Yes

Step-by-step explanation:

It is a random sample of students because they are just random people that Jackie is asking, its not only people in on grade, or only people on the basketball team.

5 0
2 years ago
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PLEASE HELP A.S.A.P.!<br><br> Solve the equation:<br><br> |x-1|+|x-2|=3
Svetlanka [38]
X=3

Explanation-

(x-1)+(x-2)=3
x-1+(x-2)=3
x-1+x-2=3
Then collect the two like terms
x-1+x-2=3=
2x-1-2=3
Calculate the difference
x-1+x-2=3=
2x-3=3
———————
2x-3=3
Move the constant to the right-hand side and change its sign
2x=3+3
———————————————————-
2x=3+3
Add the numbers

2x=6
————————————————-
2x=6

Divide both sides of the equation by two

X=3

There you go. Have a great day! :)
6 0
2 years ago
(10 - 1 ) x 2 + 2 x 3 what is the value of the expression
mash [69]

Answer:

24

Step-by-step explanation:

(10-1) x 2 + 2 x 3

9 x 2 + 6

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24

5 0
3 years ago
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Find the unknown value.
LiRa [457]

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Step-by-step explanation:

48 divided by 16

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