a) If the bottom of such a ladder is 49 inches wide and the top step is 24 inches wide, how many steps does the ladder have if each step is 2.5 inches shorter than the one below it? b) ...
a) If the bottom of such a ladder is 49 inches wide and the top step is 24 inches wide, how many steps does the ladder have if each step is 2.5 inches shorter than the one below it? b) ...
Solve: 5t^2 - 44r + 120 = -30 + 11r
A club has 288 members in 1997, 329 members in 1998, and 367 members in 1999. Find the rate of change in members per year. Round your answer to the nearest integer.
An electricity facility has three square solar panel fields. The diagram shows their arrangement and areas (in square meters). The diagram has three boxes 4x^2 + 40x + 100 and...
An electricity facility has three square solar panel fields. The diagram shows their arrangement and areas (in square meters). * The diagram has three boxes and the first box contains 4x^2 + 40x...
A square and a rectangle have the same area, the length of the rectangle is five more than twice the side of the square, and the width of the rectangle is four less than the side of the square. What...
Please I need the answer, because im having trouble
for a fixed period of time, interest varied jointly with the principal and the rate of interest. If a principal of $2000 invested at 6% earns $300 in interest, how much interest will a principal of...
The speed of a pulley varies inversely with its diameter. One kind of pulley, with a diameter of 3 millimeters, turns at 150 revolutions per minute. Find the speed of a similar pulley with a diameter...
An electricity facility has three square solar panel fields. The diagram shows their arrangement and areas (in square meters). * The diagram has three boxes and the first box contains 4x^2 + 40x...
This must be solved by linear combinations or substitution.
6x2+7x-20=0
through (-4,7); parallel to 3x+4y=4
Through (-4,7); perpendicular to x-2y=0
Through (2,-7) and (3,-1)
2x=y+7 and y=2x+3
Through (-3,4) ; horizontal
Through (-2,8) ; m=-1
a store mixes red fescue worth $11 per pound and chewing fescue worth $14 . the mixture is to sell for $13 per pound. how much mixture should be used to make 576 pound mixture
Find the factorization of x^2+6x-7