Two loudspeakers are placed above and below one another and are driven by the same source at a frequency of $500 \mathrm{~Hz}$. (a) What minimum distance should the top speaker be moved back in order to create destructive interference between the speakers?

Suppose that you are considering purchasing a previously owned 2007 Camry that has been driven 60,000 miles. Using the estimated regression equation developed in part ( c), predict the price for this car. Is this the price you would offer the seller?

The Los Angeles Cable Railway was driven by a 13 -foot-diameter drum that turned at a rate of $18$ revolutions per minute. Find the speed of the cable car, in miles per hour, by determining the linear velocity of the cable.

Lacey is attending a university where the cost for one year is $\$ 10,500$ . She has a scholarship worth $\$ 6,000$ and a grant worth $\$ 900$ . She earns $\$ 45$ a day at her job. How many days does she need to work to pay for 50$\%$ of the remaining amount?
(A) 40 (B) 50 (C) 60
(D) 80

Shields Company is preparing its interim report for the second quarter ending June 30. The following payments were made during the first two quarters:

$$\begin{array}{lcr} \text { Expenditure } & \text { Date } & \text { Amount } \\ \hline \text { Annual advertising } & \text { January } & \$ 800,000 \\ \text { Property tax for the fiscal year } & \text { February } & 350,000 \\ \text { Annual equipment repairs } & \text { March } & 260,000 \\ \text { One-time research and development fee to consultant } & \text { May } & 96,000 \end{array}$$

For each expenditure, indicate the amount that would be reported in the quarterly income statements for the periods ending March 31, June 30, September 30, and December 31.

A 7200-pound vehicle is driven at a speed of 25 miles per hour on a circular interchange of radius 150 feet. To keep the vehicle from skidding off course, what frictional force must the road surface exert on the tires?

A car tire is pressurized to $35\ \text{psi}$ in Michigan when the temperature is $-10^{\circ} \mathrm{F}$. The car is driven to Arizona, where the temperature on the highway, and in the tire, reaches $150^{\circ} \mathrm{F}$. Estimate the maximum pressure in the tire.

A race car with mass 1000 kg is driven at a constant speed of 200 km/h around a circular track whose radius is 75 m. What frictional force must be exerted by the track on the tires to keep the car from skidding?

Underline the subordinate clause in the sentence below. Then, classify the subordinate clause by writing, in the space above it, ADJ for adjective clause, N for noun clause, or ADV for adverb clause. If a sentence contains no subordinate clause, write none before the item number.

Cary Grant, who grew up as Archibald Leach, was one such entertainer.

Circular Motion of a Car Tire As shown in the earlier figure the diameter of a car tire is 26 inches. Suppose the car is driven $1.5$ miles. What is the corresponding radian measure of the angle through which the tire turns?

The model is of the form $f(x)=m x+b$. In the case, determine what $m$ and $b$ signify. Cost of Renting a Truck. The cost, in dollars, of a one-day truck rental, is given by $C(d)=0.75 d+30$, where $d$ is the number of miles driven.

Solve by the method of your choice. Two teachers have driven to school in separate cars. When they arrive, there are seven empty spaces in the parking lot. They each choose a parking space. How many outcomes are possible?

An automobile is driven down a straight highway such that after $0 \leq t \leq 12$ seconds it is $s=4.5 t^2$ feet from its initial position. Find the instantaneous velocity of the car at $t=6$.

In 2019, Grant Corporation recorded credit sales of $3,200,000 and bad debts expense of$42,000. Write-offs of uncollectible accounts totalled $39,000 and one account, worth$ I 2,000, that had been written off in an earlier year was collected in 2019. a. Prepare journal entries to record each of these transactions.