A learn.hawkeslearning.comS) MyPath HomeContent- Save & Exit Certify Lesson: 7.5 Working with Formulas4/15Question 4 of 12, Step 1 of 1CorrectThe total amount of money in an account withP dollars invested in it is given by the formulaA = P+ Prt,where r is the rate expressed as a decimal and t is time (in years).If $552 is invested at 9 %, how much money will be in the account after 21 months? Round your answer to the nearest cent.Answer62021 Hawkes LearningMacBook Air

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Answered: The total amount of money in an account…

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter21: Direct And Inverse Proportions

Section: Chapter Questions

Problem 15A: Of two gears that mesh, the one that has the greater number of teeth is called the gear, and the one...

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Tsunami Waves and BreakwatersThis is a continuation of Exercise 16. Breakwaters affect wave height by reducing energy. See Figure 5.30. If a tsunami wave of height H in a channel of width W encounters a breakwater that narrows the channel to a width w, then the height h of the wave beyond the breakwater is given by h=HR0.5, where R is the width ratio R=w/W. a. Suppose a wave of height 8 feet in a channel of width 5000feet encounters a breakwater that narrows the channel to 3000feet. What is the height of the wave beyond the breakwater? b. If a channel width is cut in half by a breakwater, what is the effect on wave height? 16. Height of Tsunami WavesWhen waves generated by tsunamis approach shore, the height of the waves generally increases. Understanding the factors that contribute to this increase can aid in controlling potential damage to areas at risk. Greens law tells how water depth affects the height of a tsunami wave. If a tsunami wave has height H at an ocean depth D, and the wave travels to a location with water depth d, then the new height h of the wave is given by h=HR0.25, where R is the water depth ratio given by R=D/d. a. Calculate the height of a tsunami wave in water 25feet deep if its height is 3feet at its point of origin in water 15,000feet deep. b. If water depth decreases by half, the depth ratio R is doubled. How is the height of the tsunami wave affected?
Of two gears that mesh, the one that has the greater number of teeth is called the gear, and the one that has the fewer teeth is called the pinion (Figure 218). For each of the problems, set up a proportion, and determine the unknown value, x. Round the answers to 1 decimal place where necessary.

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The total amount of money in an account with P dollars invested in it is given by the formula A = P+ Prt, where r is the rate expressed as a decimal and t is time (in years). If $552 is invested at 9 %, how much money will be in the account after 21 months? Round your answer to the nearest cent.