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devlian [24]
3 years ago
15

The distance a car travels varies directly with the time it travels. a car travels 192.5 miles in 3.5 hours. how long will it ta

ke the car to travel 495 miles?
Mathematics
1 answer:
nasty-shy [4]3 years ago
5 0
Find the velocity of the car
v = d/t
v = 192.5/3.5
v = 55 miles/hour

Find the time to travel 495 miles
t = d/v
t = 495/55
t = 9

It will take 9 hours to travel 495 miles
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Step-by-step explanation:

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3 years ago
Consider the function represented by the equation y-6x-9=0. Which answer shows the equation written in function notation with x
Marta_Voda [28]

Answer:

A. f(x) = 6x + 9

Step-by-step explanation:

The given equation is:

y - 6x - 9 = 0

We have to write this equation in function notation with x as the independent variable. This means that y will be replaced by f(x) and all other terms will be carried to the other side of the equation to get the desired function notation.

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3 years ago
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How to tell if a table is a exponential decay function an exponential growth function or neither
aliya0001 [1]

Answer:

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Example 2: 3000*1.14^x

The y-intercept is increasing by 14%

Example 3: 400*0

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5 0
2 years ago
True or false: f(x) represents a function.<br> A. True <br> B. False
pav-90 [236]

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8 0
2 years ago
The Millers must make a 70-mile Thanksgiving trip to visit their grandparents. Pat Miller believes in driving at a steady rate o
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Answer:

(a) 1.4 hours or 1 hour 24 minutes.

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(c) (5/6)t  miles.

(d) 70 -  (5/6 t  miles.

Step-by-step explanation:

(a) speed =  distance / time

50 = 70 / t

t = 70/50

t = 7/5

t = 1.4 hours.

(b)  18 minutes = 18/60 = 0.3 hours.

50 = distance / 0.3

distance = 50 * 0.3

= 15 miles.

(c). 50 = d /  (t/60)

50 = 60d / t

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(d)  Number of miles remaining after t minutes =  70 - (5/6) t  miles.

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