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3 years ago

5

a road crew must repaved a road that is 2/3 miles long. they can repave 1/12 miles each hour. how long will it take the crew to

repave the road?

1 answer:

anastassius [24]3 years ago

7 0

A long time honestly.

roughly around 4 hours i would think

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Solving Rational equations. LCD method. Show work. Image attached.

Dmitry [639]

Answer:

$b=1$

Step-by-step explanation:

The given rational equation is

$\frac{2b-5}{b-2} -2=\frac{3}{b+2}$

The Least Common Denominator is $(b+2)(b-2)$ .

Multiply each term in the equation by the LCD.

$(b+2)(b-2)\times \frac{2b-5}{b-2} -(b+2)(b-2)\times2=(b+2)(b-2)\times\frac{3}{b+2}$

Simplify;

$(b+2)\times \frac{2b-5}{1} -2(b+2)(b-2)=(b-2)\times\frac{3}{1}$

$(b+2)(2b-5) -2(b+2)(b-2)=3(b-2)$

Expand and group similar terms

$2b^2-5b+4b-10 -2(b^2-4)=3b-6$

$2b^2-5b+4b-10 -2b^2+8=3b-6$

$-b-2=3b-6$

$3b+b=-2+6$

$4b=4$

$b=1$

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3 years ago

Which angles are adjacent to eachother

JulsSmile [24]

Answer:

3 and 2 i'm pretty sure

Step-by-step explanation:

the ones they are next to

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3 years ago

The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is 2 l plus 2 w equals 16

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The possible values (L,W): (1,7),(2,6),(3,5),(5,3),(6,2),(7,1)

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3 years ago

3a + b/a + 4a<br> if a= 4 and b= -12

Feliz [49]

Replace a with 4 and b with -12

3(4) + -12/4 + 4(4) = 16+-12/4+4*4 = 29

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Lelechka [254]

The answer should be
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