01/10/20

having trouble with this problem
solve and check the solution, I want to either factor out the ^ or combine like terms 2x^3-x^2-8x+4=0
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01/10/20

An inverted pyramid is being filled with water at a constant rate of 70 cubic centimeters per second.
An inverted pyramid is being filled with water at a constant rate of 70 cubic centimeters per second. The pyramid, at the top, has the shape of a square with sides of length 3 cm, and the height is... more
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01/08/20

probability distribution

The probability distribution for a random variable x is given in the table.X: -10,-5,0,5,10,15,20Probability: .20, .15, .05, .1, .25, .1, .15find the probability that x≤20
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01/07/20

The sum of two numbers is 159, the difference is 29, what are the two numbers
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01/07/20

Write an expression that you can substitute for x in the top equation of the system below to solve the system by substation.
5x - 2y = 8x - y = 1
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01/07/20

Modeling with Mathematics

you have 40 minutes to exercise at the gym, and you want to burn 300 calories total using both machines. How much time should you spend on each machine? Elliptical Trainer- 8 calories per... more
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01/07/20

Find the x-coordinates where f '(x) = 0

Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2π]
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01/07/20

A math Question

An isosceles triangle has vertices at (-6, -4), (2, 2), and (-4, -6). Find its area.
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01/06/20

Find the values of m and b that make the following function differentiable.
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01/06/20

two angles are supplementary one of the angles is 2 less than 3 times the other what are the angle measures
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01/05/20

AFDA quadratic equation problem
The height, h, (in feet) of a baseball that is popped up into the air is a quadratic function of the time, t, (in seconds), since it was hit. An equation that may model this situation is h(t) =... more
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01/05/20

AFDA Quadratic equation problem
Culkin hall is approximately 64 feet high. Suppose you are standing on top of the building and decide to toss a book in the air. The distance of this book above the ground (in feet) as a function... more
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01/05/20

Please help me on calculus: theorem
If f(x) = |(x2 - 8)|, how many numbers in the interval 0 ≤ x ≤ 2.5 satisfy the conclusion of the mean value theorem?Options: three two one none
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01/05/20

Calculus Problem: Please Help!!
A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when... more
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01/05/20

Calculus Problem: Please Help!!
The area A = πr2 of a circular water ripple changes with the radius. At what rate does the area change with respect to the radius when r = 4ft? Options: 16π ft2/ft 8π ft2/ft 8 ft2/ft 4π ft2/ft more
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01/05/20

I need help with calculus please!
If f(x) is discontinuous, determine the reason.Options: f(x) is continuous for all real numbers The limit as x approaches 1 does not exist f(1) does not equal the limit as x approaches 1 f(1) is... more
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01/04/20

How do you determine a minimum area triangle, given 2 sides and a point on the third side?
Two lines with equations: y = 2 – (1/2)x and (x-1) = 2 (y-1) respectively are graphed on a Cartesian plane. A line is drawn through the point (2, -1) which intersects the two previous lines to give... more
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01/04/20

Please help and thank you!
Given the relationship 2x2 + y3 =10, with y > 0 and  = 3 units/min., find the value of  at the instant x = 1 unit.Options: -9 units/min - units/min -13/2 units/min -1/9 units.min
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01/04/20

Please help me with calculus!! Thank you
Find the values of m and b that make the following function differentiable.
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01/04/20

Precalc question
An isosceles triangle has sides of length x, x and y. In addition, assume the triangle has perimeter 12.(a) Find the rule for a function that computes the area of the triangle as a function of x.... more
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12/30/19

velocity of a particle
A particle moves along a straight line with velocity v in meters per second at time t seconds given by the formula: v(t)=t2-4t+3, where 0 is less than or equal to t which is less than or equal to... more
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12/30/19

Question is below in the description
The ball was caught by a fan, sitting in the first row of the seats above the Green Monster. The fan threw the ball straight up into the night sky. As the ball came down, it was caught 6 feet... more
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12/21/19

h ( t ) = − 16 t 2 + 72 t + 40 a) What is the maximum height of the ball? b) How many seconds does it take until the ball hits the ground?
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12/20/19

What are the odds of a weekly event happening on a specific day X times out Y total weeks?
Assuming there are no other variables and the event is 100% random, what are the odds of the following:An event happens once, and only once, per week without exception. The day that the event... more
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12/20/19

combinations and probability

There are eight online songs that you would like to download, but you only have enough money for three. How many different groups of songs can you buy
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