3 years ago

Help! Asap! Explain why dividing by a fraction results in the same answer as multiplying by its reciprocal.

1 answer:

6 0

Answer:

Hey "Dixie" heres why: That's why you're being told to flip the second fraction. You're recognizing that dividing by a number is the same as multiplying by the reciprocal. ... Now to multiply fractions, we simply multiply the numerators to get the new numerator and multiply the denominators to get the new denominator.

Hope it helped!

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If f(x) = -5x - 1 and g(x) = x - 6 what is (f g) (7)

Cloud [144]

You have

$(f\circ g)(x) = f(g(x)) \implies (f\circ g)(7) = f(g(7))$

So, we have to compute g(7) and feed it as input to f(x). We have

$g(7)=7-6=1 \implies f(g(7))=f(1)=-5-1=-6$

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3 years ago

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in a tournament, amanda scored 136 points in the first round and 127 points in the second round whatwas her percentage change be

skelet666 [1.2K]

Percent change = (new number - old number)/(old number) * 100

percent change = (127 - 136)/(136) * 100

percent change = -6.62%

Since the percent change is negative it is a percent decrease.

Answer: 6.62% decrease.

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3 years ago

A vertical pole 32 feet tall stands on a hillside that makes an angle of 17° with the horizontal line. Determine the approximate

kompoz [17]

Answer:

The 72 feet is measured on the slope, not out from the pole horizontally. I get

top of pole is at

40 + 72 sin17°

downhill point is

72 cos 17°

from point beneath the pole

cable^2 = (40+72 sin17°)^2 + (72 cos 17°)^2

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2 years ago

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Diameter = 24 ft<br> Radius = ?

Lisa [10]

Answer:

Step-by-step explanation:

R=d/2

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2 years ago

Scientific notation without common powers of ten

motikmotik

Answer:

458965315648

Step-by-step explanation:

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3 years ago