3 years ago

Solve the following equation by completing the square

1 answer:

7 0

Answer is (x-1)and (x-2).First make the equation 3x^2- 9x+6=0. then divide both sides by 3 and then the two factors are (x-1)(x-2)

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Question 9 (10 points) Solve for x, 2(x - 1) + 4 = 4(x + 1)

Nutka1998 [239]

1. Expand
2x − 2 + 4 = 4x + 4

2. Simply
2x + 2 = 4x + 4

3. Subtract
2 = 4x + 4 - 2x

4. Simplify
2 = 2x + 4

5.Subtract
2 - 4 = 2x

6. Simplify
-2 = 2x

7. Divide both sides by
-1 = x

8.Switch sides.
x = -1

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3 years ago

Gina has been present at school for 40 of the first 45 days of the school year. The school year is 180 days long. If Gina contin

guapka [62]

The answer is going to be 160.

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pshichka [43]

Answer:

I think its f(n)=300,000n

Step-by-step explanation:

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3 years ago

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It is 10:30pm and my brain is not cooperating with me.

r-ruslan [8.4K]

Answer:

$v = 180 {cm}^{3}$

Step-by-step explanation:

V= lwh or l *w*h

Length: 15

Width: 3

Height:4

V=15*3*4

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1 year ago

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Jenny is 13 years older than her sister myra myra is 6 years younger than her sister melody their combined age is equal to 88 ye

il63 [147K]

X : Myra age
Jenny : x+13
Melody : x+6
$x + x + 13 + x + 6 = 88 \\ 3x + 19 = 88 \\ 3x = 69 \\ x = 23$

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3 years ago

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