In the following exercises, solve using any method. Round your answers to the nearest tenth, if needed..
217. A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial height of 8 feet. Use the formula
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Chapter 9 Solutions
INTERMEDIATE ALGEBRA (OER)
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- Use the formula I = Prt to solve for the principal. P, for : (a) 1= $1380. R = 5%. T = 3 yeas (b)in generalarrow_forwardIn the following exercises, solve using any method. Round your answers to the nearest tenth, if needed.. 215. A firework rocket is shot upward at a rate of 640 ft/sec. Use the projectile formula h=16t2+v0t to determine when the height of the firework rocket will be 1200 feet.arrow_forwardIn the following exercises, solve using any method. Round your answers to the nearest tenth, if needed.. 216. An arrow is shot vertically upward at a rate of 220 feet per second. Use the projectile formula h=16t2+v0t, to determine when height of the arrow will be 400 feet.arrow_forward
- In the following exercises, solve using any method. Round your answers to the nearest tenth, if needed.. 218. A stone is dropped from a 196-foot platform. Use the formulah=16t2+v0t+196 to determine how many seconds it will take for the stone to hit the ground. (Since the stone isdropped, v0=0. )arrow_forwardSolve the equation for the indicated variable. wd=rTH; for Tarrow_forwardFiora starts riding her bike at 20 mi/h. After a while, she slows down to 12 mi/h, and maintains that speed for the rest of the trip. The whole trip of 70 mi takes her 4.5 h. For what distance did she travel at 20 mi/h?arrow_forward
- In the following exercises, solve. 318. Joseph is traveling on a road trip. The distance, d, he travels before stopping for lunch varies directly with the speed, v, he travels. He can travel 120 miles at a speed of 60 mph. (a) Write the equation that relates d and v. (b) How far would he travel before stopping for lunch at a rate of 65 mph?arrow_forwardIn the following exercises, solve. 435. (a) |x|=4 (b) |y|=5 (c)|z|=0arrow_forwardIn the following exercises, solve using any method. Round your answers to the nearest tenth, if needed.. 208. The new computer has a surface area of 168 square inches. If the the width is 5.5 inches less that the length, what are the dimensions of the computer?arrow_forward
- In the following exercises, solve. Round approximations to one decimal place. Gravity A hang glider dropped his cell phone from a height of 350 feet. Use the formula t=h4 to find how many seconds it took for the cell phone to reach the ground.arrow_forwardIn the following exercises, solve. Round approximations to one decimal place. 432. Gravity While putting up holiday decorations, Renee dropped a light bulb from the top of a 64 foot tall tree. Use the formula t=h4 to find how many seconds it took for the light bulb to reach the ground.arrow_forwardIn the following exercises, solve. 324. If p varies inversely with q and p=2 when q=1 , find the equation that relates p and q.arrow_forward
- Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice UniversityHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
- Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
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