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Two seconds after firing the rifle at the target, the shooter hears the impact of the bullet. Sound travels at 1100 feet per second and the bullet at 1865 feet per second. Find out the distance to t
A car travels at 60 mph east for 20 min then at 30 mph north for 30 min. Determine the average speed and average velocity?
A plane flys 2400 miles one way and takes 4 hours, then fly's back the same manner and takes an hour and half longer. Determine the speed of the plane in still air and what is the wind speed?
Jack has two jobs, his annual income from first job being $37,600 and that of second job being $9,400. Write down the relation of the second income to the first in ratio format.
Kathy charges $7.50 per hour to mow lawn Sharon charges 1.5 times as much to do the same job. How much does Sharon charge to mow a lawn?
Provide examples of 2 × 2 matrices such that A, B are invertible but A + B is not.
How many ozs of gold that cost $320 per oz should a man mix with 100 ozs of an alloy that costs $100 per oz to make new alloy that costs $160 per oz?
A deck of cards has the Jacks, Queens and Kings removed. Four cards are chosen and lined up on table.
What is the number of 15-centimetre square tiles required to cover a rectangular floor 5.4 m long and 4.05 m wide?
Compute the length of the diagonal of a rectangular box whose edges are 3 cm, 4 cm, and 12 cm.
Compute the length of the altitude through A of an isosceles triangle in which AB=AC=26 cm and BC=20 cm
Determine the area of this square in feet?
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?