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A population survey explains that 40% of the population suffers from high blood pressure, that 60% of population is overweight and that 30% are both overweight and suffer high blood pressure. What
Two dump trucks have capacities of 10 tons and 12 tons. They make total of 20 round trips to haul 226 tons of topsoil for a landscaping project. How many round trips does each truck make?
AMC Homes is planning to build 3 and 4 bedroom homes in housing development called Chestnut Hills. Consumer demand points out a need for three times as many 4 bedroom homes as 3 bedroom homes.
What would be the considering function f(x) = x^2 + 4x +1? How would I find the x-coordinate of vertex of this parabola?
Basic phone numbers started with the 2 letters followed by four digits. Zero is allowed in any position. Any two letters are allowed.
Suppose X is normally distributed with mean of 12 and standard deviation of 2. Find out the value for x which solves each of the following. Round the answers to 2 decimal places.
A boater travels 16 miles per hour upon the water on still day. Throughout one specific windy day, he finds out that he travels 48 miles with the wind behind him in the same amount of time that he
The height in feet for the ball thrown upward at 48 feet per second is given by s(t)= -16t^2+ 48t, where t is the time in seconds after ball is tossed. Determine the maximum height that the ball wi
A bullet is fired horizontally at the target, and sound of it impact is hear 1.5 seconds later. If the speed is 3300Ft/sec and the speed sound of it 1100 ft/sec. How far away is the target?
Two cyclists, 108 miles apart, start riding toward each other at the same time. One cycles 3 times as fast as the other. If they meet 3 hours later, what is the speed (in mi/h) of the faster cyclis
Hannah is flying from the Boston to Denver with connection in Chicago. The probability her first flight leaves upon time is 0.25. If the flight is upon time, the probability that her luggage will ma
How much money must be deposited at age 45 in order to withdraw $30000 at the end of each year for 6 years if the first withdrawal is made at age 60. The account earns 10% compounded quarterly.
Determine the future value if she holds onto the business. What price must she insist upon now if she sells the business?
Two cars arrive at the railway crossing between 7:00 and 7:30 according to a uniform distribution. The crossing is closed between 7:20 and 7:25. Determine the probability that total waiting time is
Three calculus books weigh as much as two geometry books. Seven geometry books weigh as much as nine algebra books. Six trigonometry books weigh as much as eleven calculus books.
Romy can climb coconut tree at the rate of 10 ft per minute and return at 20 ft per minute. If it took him 3 minutes to climb and return. Determine the height of the coconut?
A motorist travels 90km at 120km/hr , and 40km at 90km/hr. What is the average speed of the trip?
Mr.Smith makes monthly visits to his parents in Baguio, a distance of 240km from Manila. He found out that if he raises the average speed by 10km per hour, he could save total of 20 minutes for the
Two cars leave Denver at the same time and travel in opposite directions. One car travels 10mi/h faster than the other car. The cars are 500mi appart in 5h. How fast is each car traveling?
A car leaves san diego at 1 pm traveling at the constant rate of 40 mph toward los angeles. Thirty minutes later, another car leaves san diego traveling toward los angeles at the constant speed of
Sugggest a mass-spring system with unit mass (m = 1), spring constant k = 9, critically damped, and no external force. Suppose that the oscillator starts at rest, and slightly compressed, at the po
Let R be relation on Z such that xRy if and only if x.y is even. For each and every of the following question, if your answer is "no" provide counter example. If your answer is "yes" prove that rela
Two cars are approaching an intersection. One is 3 miles South of the intersection and is moving at a constant speed of 40 mph. At the same time, the other car is 4 miles East of the intersection an
An oil tanker can be emptied by the main pump in four hours. an auxilary pump can empty the tanker in 9 hours. If the main pump started at 9a.m., when should the auxiliary pump be started so the tan
Two gasoline, type A and type B, have octane ratings of 80 and 92 respectively. Type A costs $2.13 per gallon as well as type B costs $3.28 per gallon. Find out the blend of minimum cost with an oc