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3 years ago

11

Factor the problem: 8x^2+7x-4

2 answers:

Andre45 [30]3 years ago

7 0

x=

16

7−

177

=−0.394

x=

16

7+

177

=1.269Step-by-step explanation:

vladimir2022 [97]3 years ago

7 0

The answer should be 1.269

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kodGreya [7K]

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4 years ago

If a car’s speed is 70 miles per hour on a road surface with a drag factor of 0.50 and with a breaking efficiency of 85% (n = .8

hichkok12 [17]

Answer:

About 384.3 feet

Step-by-step explanation:

The formula for that is given by,

$S= \sqrt{30 \times d \times f \times n}$

Where,

S is the speed of the car

d is the distance of skid

f is the drag factor for the road surface

n is breaking efficiency as percentage

Putting the values we get,

$S^2= 30 \times d \times f \times n$

$d= \frac{S^2}{30 \times f \times n}$

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3 years ago

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butalik [34]

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Step-by-step explanation:

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Answer:

Answer: A

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Step-by-step explanation:

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