y=-40t2+225t

y=-40t2+225t

Imagine a friend invites you to play a game of chance that costs $1 to play each time. You get to choose one card. You win if your card is the Ace of Spades. Otherwise, you lose. The amount of money...

The annual interest on an $11,000 investment exceeds the interest earned on a $9,000 Investment by $184. The $11,000 is invested at a 0.4% higher rate of interest than the $9,000.

The length of a rectangle is 13 m longer than its width and the area of the rectangle is 240 m2. Find the exact dimensions of the rectangle.

A toy rocket is launched from the top of a building 125 feet tall at an initial velocity of 191 feet per second. a) Give the function that describes the height of the rocket in terms...

A radioactive isotope, iron-52, used in the creation of medical images of bone marrow, has a half-life of 8.2 hours. If 8 microcuries are given to a patient, how many microcuries are left after 12...

what is the area of a triangle which leg a= x leg b= sq.rt.(2)x and leg c= (4)sq.rt.(15)

Construct a polynomial function with the following properties: fifth degree, 22 is a zero of multiplicity 33, −4-4 is the only other zero, leading coefficient is 33.

Transformation problem

Break down and solve the equation √x+3=√x+13? I have tried to look for solutions and everywhere I look it said that there isn't one but my question says different.

3x^(3)-pi 1 f(x)=——————— + ——————— sq.rt.(2x+3)-5...

An isosceles triangle has a perimeter of 28 inches. The height of the triangle (from the vertex connecting the two equal sides down to the base) is sq.rt.(98) inches. What is the exact area of the...

In 2001, the moose population in a park was measured to be 4,960. By 2009, the population was measured again and was found to be 5,920. Assume the population continues to change linearly. (a)...

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 16 miles per hour slower than the eastbound train. If the two trains are...

y varies directly as x. y equals=30 when x equals=2. Find y when x equals=16

Help me please, Im a broke college student

Find a polynomial with integer coefficients, with leading coefficient 1, degree 5, zeros i and 6- i, and passing through the origin?

Given that f(x) is a cubic function with zeros at -4 and 2 i - 1 , find an equation for f(x) given that f(-6) = 1.

The half-life of a certain substance is 19 years. How long will it take for a sample of this substance to decay to 60% of its original amount? Use the exponential decay model, A=A0 ekt ,...

a) (-2x^(4)-x^(3)+16x^(2)+3) / (2x+1) b) (12x^(4)+x^(2)-1) / (2x-1) a) I got -x^(3)+8x-4 remainder 7 b) i got 6x^(3)+3x^(2)+2x+1...