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2 years ago

Evaluate the following equation for x. 2/5x = −20

1 answer:

6 0

2/5x=-20
x=-50
Explanation:
Whenever you take the 2/5 and divide it from -20 you are left with x=-50. Therefore, the value for x is -50.

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Answer:

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Step-by-step explanation:

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2 years ago

Henry wants to pour 57.93 grams of salt into a container. So far, he has poured 28.3 grams. How much more salt should Henry pour

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Answer:

29.63

Step-by-step explanation:

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3 years ago

Sharon has a coupon for $5 off light bulbs at Lowes. The light bulbs she wants cost $7.50 a package. How much money, m, will she

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2 years ago

Find the following when a = -1, b = 2, c = -1/4<br> (4b - 3)/(2a) -1

Katena32 [7]

We substitute the given into the equation
given: a=-1, b=2, c= $\frac{-1}{4}$
=( $\frac{4b-3}{2a}$ -1
= $\frac{4(2)-3}{2(-1)}$ -1
= $\frac{8-3}{-2}$ -1
= $\frac{5}{-2}$ -1
to continue, we can either find a common denominator or change the fraction to decimal.
Fraction to Decimal:
$\frac{5}{-2}$ =-2.5
Equation=-2.5-1=-3.5
OR Common Denominator:
= $\frac{5}{-2}$ $\frac{-1}{1}$ × $\frac{-2}{-2}$ (denominator should be -2=common)
= $\frac{5}{-2}$ + $\frac{2}{-2}$
= $\frac{7}{-2}$
which also = to -3.5

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2 years ago

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sashaice [31]

Answer:

36 gallons

Step-by-step explanation:

y = 4/5x

Let x = 45 minutes

y = 4/5 (45)

y = 36 gallons

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2 years ago

Read 2 more answers