Solve.310 - 2x = 9
A. 3
B. 4
C. -4
D. 5
Answer: B
You might also like to view...
Match the given equation with one of the graphs.x2 + y2 + 6x + 4y = -4
A. 
B. 
C. 
D. 
Write as the sum and/or difference of logarithms. Express powers as factors.log 
A. log(x - 1) + log(x2 + x + 1) - 3 log x B. log x3 - log 1 - 3 log x C. log(x - 1) + log(x2 + 1) - 3 log x D. log 1 - 3 log 1 - 3 log x
Solve the problem.Ron throws a ball straight up with an initial speed of 40 feet per second from a height of 7 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0, y = -16t2 + 40t + 7 5.328 sec, 1.25 sec, 25 feet B. x = 0, y = -16t2 + 40t + 7 2.664 sec, 1.25 sec, 32 feet C. x = 0, y = -16t2 + 40t + 7 2.311 sec, 1.25 sec, 6.988 feet D. x = 0, y = -16t2 + 40t + 7 4.621 sec, 1.25 sec, 177.892 feet
Your on-line bookstore is in direct competition with Amazon.com, BN.com, and Borders.com. Your company's daily revenue in dollars is given by
?
?
where x, y, and z are the online daily revenues of Amazon.com, BN.com, and Borders.com, respectively. If Amazon.com and BN.com each show a daily revenue of $1,000, give an equation showing how your daily revenue depends on that of Borders.com.
?
A. R (z) = 24,960 + 0.04z B. R (z) = 25,000 - 20x - 20y - 0.01z + 0.00005yz C. R (z) = 25,000 - 0.01z D. R (z) = 24,960 E. R (z) = 25,000 - 0.01z + 0.00005z