2 years ago

How long will it take u to drive 225 miles at a speed of 25 mph

Mathematics

1 answer:

Tema [17]2 years ago

4 0

225 miles / 25 mph = 9 hours

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Consider the following equation: f(x)=x^2+4\4x^2-4x-8 name the vertical asymptote(s)

zhenek [66]

ANSWER

The vertical asymptotes are

$\Rightarrow x=2\:or\:x=-1$

EXPLANATION

We have

$f(x)=\frac{x^2+4}{4x^2-4x-8}$

For vertical asymptotes we set the denominator to zero and solve the quadratic equation;

$4x^2-4x-8=0$

$\Rightarrow x^2-x-2=0$

We split the middle term to obtain,

$x^2+x-2x-2=0$

$\Rightarrow x(x+1)-2(x+1)=0$

$\Rightarrow (x-2)(x+1)=0$

$\Rightarrow x=2\:or\:x=-1$

Therefore the vertical asymptotes are

$x=2\:or\:x=-1$

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3 years ago

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Write the following proportion: 8 is to 64 as 2 is to x.

Ksenya-84 [330]

x = 4

8 multiplied by itself is 64.
And so, 2 times itself is 4.

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3 years ago

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Which number line shows the solutions to n > 3?ヽ(°◇° )ノ

balu736 [363]

It is the first number line :)

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3 years ago

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\dfrac{1}{2} - 60\% - 25\% = 2 1 −60%−25%

Helen [10]

Answer:

the answer is -85%

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7 0

2 years ago

the diameter of a bike wheel is 25 inches. If the wheelmakes 20 Complete rotations, how far does the bike travel?

Iteru [2.4K]

Answer:

1571 in

Step-by-step explanation:

Given data

Diamter= 25 in

radius= 25/2= 12.5in

Circumference= 2πr

substitute

C=2*3.142*12.5

C=78.55in

In 1 revolution the bike will travel 78.55in

in 20 revolutions the bike will travel

=78.55*20

=1571 in

4 0

2 years ago