Chapter 1: Q42. (page 25)
Solve each equation. Check your solution.
Short Answer
The required answer is 8.
Chapter 1: Q42. (page 25)
Solve each equation. Check your solution.
The required answer is 8.
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Get started for freeWrite an algebraic expression to represent each verbal expression.
Seven more than the product of a number and 10
Find the value of each expression
30.
Evaluate each expression if and
FIREWORKS
Suppose you are about a mile from a firework display. You count 5 seconds between seeing the light and hearing the sound of the firework display. You estimate the viewing angle is about . Using the information at the left, estimate the width of the firework display.
Information at the left
To estimate the width in feet of a firework burst, use the formula . In this formula, is the estimated viewing angle of the firework display and is the time in seconds from the instant you see the light until you hear the sound.
Use the following information.
Simple interest is calculated using the formula , where p represents the principal in dollars, represents the annual interest rate, and represents the time in years. Find the simple interest given each of the following values.
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