The formula for approximating the stopping distance, d, in feet, for a specific car on snow is d=16x2, where x is the speed of the car, in miles per hour, before the brakes are applied. If the car's stopping distance was 54 feet, what was the car's speed before the brakes were applied?

The formula for approximating the stopping distance, d, in feet, for a specific car on snow is d=16x2, where x is the speed of the car, in miles per hour, before the brakes are applied. If the car's stopping distance was 54 feet, what was the car's speed before the brakes were applied?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter2: Linear Equations

Section2.7: Litereal Equations And Dimensional Analysis

Problem 4GP

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Question

The formula for approximating the stopping distance, d, in feet, for a specific car on snow is

d=16x2,

where x is the speed of the car, in miles per hour, before the brakes are applied. If the car's stopping distance was

feet, what was the car's speed before the brakes were applied?

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