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Margaret [11]
2 years ago
10

What is the value of x in the equation 1/3x − 2/3 =− 18?

Mathematics
1 answer:
Klio2033 [76]2 years ago
4 0

Answer:

x = -52

Step-by-step explanation:

\frac{1}{3}x-\frac{2}{3}=-18

Let us solve for x.

\frac{1}{3}x=-18+\frac{2}{3}

\frac{1}{3}x=-\frac{18*3}{1*3} +\frac{2}{3}

\frac{1}{3}x=-\frac{54}{3} +\frac{2}{3}

\frac{1}{3}x=\frac{-54+2}{3}

\frac{1}{3}x=\frac{-52}{3}

Use cross multiplication to find the value of x.

\frac{1x}{3}=\frac{-52}{3}

3*1x=3*-52

3x=-156

Divide both sides by 3.

x = - 52

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Oksana_A [137]
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5 0
3 years ago
Find the discriminant, describe the types of roots, and find the solution for 3x^2-24x+12
solniwko [45]
The discriminant of a polynomial is given by:
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 Substituting the values we have:
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 Since the discriminator is greater than zero, then the roots are real.
 x = (- b +/- root (b ^ 2-4ac)) / (2a)
 Substituting the values:
 x = (- (- 24) +/- root (432) / (2 * (3))
 x = (- (- 24) +/- root (432) / (2 * (3))
 x = (- (- 24) +/- root (144 * 3) / (2 * (3))
 x = (24 +/- 12raiz (3) / (6)
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 The roots are:
 x1 = 4 + 2raiz (3)
 x2 = 4 - 2raiz (3)
 Answer: 
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x1 = 4 + 2raiz (3)
 
x2 = 4 - 2raiz (3)
4 0
3 years ago
What is the value of the expression 24 + 32? (2 points)
Maurinko [17]

Answer:

56

Step-by-step explanation:

Round: 24 is 20 and 34 is 30

20 + 30 = 50

now unrounded, it's easier.

24 + 32 = 56

because 4 + 2 = 6, we know to add on only a few more.

8 0
2 years ago
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Answer: $4902

Step-by-step explanation:

Amount = P (1 + rt)

= 4300 (1 + .02 * 7)

= 4300 (1 + .14)

= 4300 (1.14)

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3 years ago
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8 0
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