03/28/22

Help me with this please.
find m so that x-3 is a factor of 7x^3-23x^2+mx+12
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03/28/22

need help i don't get it
A car was valued at $32,000 in the year 1990. The value depreciated to $10,000 by the year 2004.A) What was the annual rate of change between 1990 and 2004?r =  Round the rate of decrease to 4... more
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03/28/22

A child is flying a kite at a height of 40 ft, that is, moving horizontally at a rate of 3 ft/sec.

A child is flying a kite at a height of 40 ft, that is, moving horizontally at a rate of 3 ft/sec. If the string is taut, at what rate is the string being paid out when the length of the string... more
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03/27/22

Answer Checking
Find the length of the arc of a circle of diameter 10 meters subtended by a central angle of π/3 radians.Round answer to two decimal places.My answer: 10.47 meters
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03/27/22

Calculus Question
Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) g(y) = y − 1 y2 − 3y + 3  y= ____
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03/27/22

Calculus Question
Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)g(t) = |4t − 9|t=_____
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03/25/22

Equivalent Forms of Quadratic Equations
A quadratic function that crosses the origin has a line of symmetry at x = 3, a root of 6, and a range of [-9, ∞).Write an equation in vertex form that represents the quadratic function Write an... more
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03/24/22

How many gallons of water and how many gallons of the premium antifreeze solution must be mixed?

A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. The premium antifreeze solution contains 90% pure antifreeze. The... more
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03/24/22

Prove that the set S = {x ∈ Rn |Ax = λx} is a subspace of Rn
Prove that the set S = {x ∈ Rn |Ax = λx} is a subspace of Rn
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03/24/22

Convert 25 cubic yards to cubic inches.
Convert 25 cubic yards to cubic inches.
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03/23/22

How would I evaluate the following limit?

lim 3√x-4 / x-64x->64 How would I answer this?at first I tried doing the change of variables and I ended up with an extremely large answer. now I’m thinking of rationalizing the numerator?... more
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03/22/22

Find an equation of the tangent line to the graph of the function f defined by the following equation at the indicated point.

it would be Y2-X2 = 32 and the point is (4, 4√(3))Y=
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03/22/22

how to find the 1st and 2nd derivatives from

√(5x-2)f'(x)= f''(x)=
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03/22/22

If f(X)=2[[x]], find f(-1/4)
My choices are -2,-1/2,0,1/2
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03/21/22

i don't get it at all
f(x)=x3+3x2−11x−21, including factors for irrational zeros. Use radicals, not decimal approximations.
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03/21/22

college algebra
find the equation for the circle with a diameter whose endpoints are​ (−5​,−3​) and (1,2)
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03/20/22

Solve for y...?
Solve for y:x = 7yx + y + z = 802x - y + z = 105(A) - 7(B) 15(C) - 175 / 13(D) 35(E) none of these
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03/20/22

Please help me to solve this.
At a particular gas station gas costs $3.35 per gallon, but if you buy a $4.50 car wash gas only costs $3.05 per gallon. Let C represent cost and g represent the number of gallons.a). Write an... more
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03/19/22

Assume an exponential function has a starting value of 5 and decay rate of 13%. Write an equation to model the situation.
Assume an exponential function has a starting value of 5 and decay rate of 13%. Write an equation to model the situation.
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03/17/22

find the answer to each function

If sinx=−35,x in quadrant III, thensin2x=    cos2x=    tan2x=
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03/17/22

rewrite the equation
Rewrite sin(x+π3) in terms of sin(x) and cos(x)
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03/16/22

Refer to BC CALC VOLUMES OF REVOLUTIONS:

Refer to BC CALC VOLUMES OF REVOLUTIONS: Given f(x)=x^2-3 g(x)=4x+9: The region between f(x) and g(x) is the base of a solid. Find the volume of the solid if cross-sections perpendicular to the... more
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03/16/22

Applied Optimization Problems
A baseball team plays in a stadium that holds 66000 spectators. With the ticket price at $8 the average attendance has been 30000. When the price dropped to $7, the average attendance rose to... more
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03/16/22

What is the solution to dy/dx = (x^2)/y, with the initial condition y(3) = -2
can someone pls show the steps they used to solve this! I keep getting y = sqrt of ((2x^3)/3 -14), but the right answer is supposed to be y = - sqrt of ((2x^3)/3 -14), and I'm not sure where the... more
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03/16/22

points (1,4) and (2,12) lie on a curve whose gradient is giiven by dy/dx=6x2-6x+k a)find the value of k b)the equation of the curve
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