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Sunny_sXe [5.5K]
3 years ago
14

The polynomial 3.675v + 0.096v2 is used to estimate the stopping distance in feet for a car whose speed is v miles per hour on f

lat dry pavement.
What is the stopping distance for a car traveling at 70 miles per hour?

Distance = feet
Mathematics
1 answer:
Eddi Din [679]3 years ago
3 0
3.675v + 0.096v^2.....where v is the speed of the car in mph

at 70 mph....so sub in 70 for v

3.675(70) + 0.096(70^2) =
257.25 + 470.4 =
727.65 ft <===

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4 – (2y + 5) = 3(1 – 4y) show steps please
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Answer/Step-by-step explanation:

Let's solve your equation step-by-step.

4−(2y+5)=3(1−4y)

Step 1: Simplify both sides of the equation.

4−(2y+5)=3(1−4y)

4+−1(2y+5)=3(1−4y)(Distribute the Negative Sign)

4+−1(2y)+(−1)(5)=3(1−4y)

4+−2y+−5=3(1−4y)

4+−2y+−5=(3)(1)+(3)(−4y)(Distribute)

4+−2y+−5=3+−12y

(−2y)+(4+−5)=−12y+3(Combine Like Terms)

−2y+−1=−12y+3

−2y−1=−12y+3

Step 2: Add 12y to both sides.

−2y−1+12y=−12y+3+12y

10y−1=3

Step 3: Add 1 to both sides.

10y−1+1=3+1

10y=4

Step 4: Divide both sides by 10.

10y

10

=

4

10

y=

2

5

Answer:

y= 2/5

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Step-by-step explanation:

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