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3 years ago

Solve 3(x + 2) > x.

1 answer:

5 0

3(x + 2) > x
3x + 6 > x
3x - 3x + 6 > x - 3x
6 > -2x
6/-2 < -2x/-2
-3< x
(When dividing by a negative, reverse the direction of the inequality side, reverse it EVERY time you divide by a negative)

ANSWER: -3 < x

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3 years ago

A 39-foot piece of string (hypotenuse) is stretched from the top of a 18-foot flagpole to the ground. How far is the base of the

ivann1987 [24]

9514 1404 393

Answer:

34.6 ft

Step-by-step explanation:

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a² + b² = c²

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3 years ago

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san4es73 [151]

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Step-by-step explanation:

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3 years ago

Find the missing variable for a parallelogram: A = 28in2 h = b = 6.3 in (1in=2.54cm)

aivan3 [116]

The formula of an area of parallelogram:

$A=bh$

We have

$b=6.3\ in$ and $A=28\ in^2$

Substitute:

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$h=\dfrac{28}{6.3}\\\\h=\dfrac{280}{63}\\\\h=4\dfrac{28}{63}\\\\h=4\dfrac{28:7}{63:7}\\\\h=4\dfrac{4}{9}$

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4 years ago