4 years ago

What is the answer for this problem?

Mathematics

1 answer:

MakcuM [25]4 years ago

4 0

After canceling out the x^2 and all the other fun stuff, you should get (x+4)/(x-1)

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A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of

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The pool has area $160\,\mathrm{ft}^2$ .

Let $x$ be the width of the sidewalk. Then the combined area of the pool and sidewalk is $(10+x)(16+x)=160+26x+x^2$ , so that the area of the sidewalk alone is $26x+x^2$ .

We're told this area is $155\,\mathrm{ft}^2$ , so

$26x+x^2=155\implies x^2+26x-155=(x-5)(x+31)=0\implies x=5$

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3 years ago

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The figure shows a square, a regular pentagon and a regular hexagon put together. What is the measure of ∠BAC

Elan Coil [88]

Answer:

Step-by-step explanation:

One angle of a regular pentagon = 108°

One angle of a regular hexagon = 120°.

One angle of a square = 90°

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2 years ago

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77julia77 [94]

The length of the hypotenuse of a right triangle is the square root of (one leg squared plus the other leg squared).

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3 years ago

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Ms. Garcia drove 80 miles in March. She drove 4 times as many miles in March as she did in January. She drove 2 times as many mi

Yuri [45]

March = 80 miles
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Hence, (February) = 320 miles / 2 = 160 miles

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3 years ago

A bank-teller had 125 bills in and bills to start the day. how many of each bill did the teller start off with

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If bank teller had 125 bills then she/he had 125 one dollar bills.
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