A patient rehabilitating a knee injury performs knee extension exercises wearing a 15 N weight boot.

A patient rehabilitating a knee injury performs knee extension exercises wearing a 15 N weight boot. Calculate the amount of torque generated at the knee by the weight boot, given a distance of 0.4... more

10/09/17

Find the equation of the line pass through the point (-1,-5) with

a. Horizontal    b. Vertical 

10/09/17

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=1 and a root of mutiplicity 1 at x=-4. The Y intercept is y=-2.8. find the formula for P(x)

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=1 and a root of mutiplicity 1 at x=-4. The Y intercept is y=-2.8. find the formula for P(x)

10/09/17

Form a polynomial whose zeros and degree are given

Zeros: 9, multiplicity 1; 4, multiplicity, 2; degree 3

10/09/17

My Math Question

To Calculate the height of a tree, Marie measures the angle of elevation from a point A to be 34. She then walks 10 feet directly towards the tree, and finds the angle of elevation from the new... more

10/09/17

What was the main reason that Athens and Sparta fought the Peloponnesian War?

I want to know what the main reason sparta and athens fought in the peloponnesian war  

10/09/17

I need help with this physics problem. Please. I got vector B to be <3e-20,-9e-20,-2.76e-19>. However, it's wrong.

I calculated the electric field to be <6.95e-5 ,6.95e-5, 6.95e-5> at location < 2 ✕ 10-3, 2 ✕ 10-3, 2 ✕ 10-3 > m, due to the proton.   At a particular instant a proton is at the... more

10/09/17

The path of a volleyball stuck by a player can be modeled by the function: [T/8] h(d) = -2d*2 +12d +0.1

Determine the max height achieved by the volleyball? How far did the ball travel from the player before it hit the ground? If the volleyball net stands exactly 11m high is located at a point 3.5 m... more

10/09/17

how many seconds of freefall will the skydiver have before deploying their parachute

a skydiver is jumping from a plane at an altitude of 13000 ft. the equation h(t)=-16t²+13000 represents height h after t seconds in order to land safely the skydiver must deploy the parachute at an... more

10/09/17

Find a cubic polynomial with real coefficients

Find a cubic polynomial with real coefficients having roots x=-2 and x=1+4i Assume a lead coefficient of 1.

10/09/17

A polynomial P of degree 3 with integer coefficients

A polynomial P of degree 3 with integer coefficients has zeroes x=-2, x=6 and x=-8 Use the factor theorem to write the polynomial in factored form

10/09/17

Is the equation true ?

3+4=2+5  Use pictures, numbers, or words to make an argumen.

i don't know where to start

vertical translation down three units 

10/08/17

Find an nth degree polynomial function satisfying the given conditions

n=3  3 and 4i are zeros  f(2)= -60

Perform the following operation and simplify:

Perform the following operation and simplify:(8w-9)2

Solve ( x − 12 ) ( x + 10 ) = 0

Solve (X-12) (X+10) =0   X=    

Rate of Change

Find the average rate of change of f(x)=3/x+1 on the interval [x,x+h]. Simplify your answer.

10/08/17

a man starts walking north at 4ft/s from point p. five minutes later a women starts walking south at 5ft/s from a point 500 ft due east of p. at what rate are t

a man starts walking north at 4ft/s from point p. five minutes later a women starts walking south at 5ft/s from a point 500 ft due east of p. at what rate are the people moving apart 15 mins after... more

Complex number to exponential form

How do you put the complex number  -2+i  into a form of  e^{ix} ?        with i = sqrt(-1)               x= angle between complex number and the real axis

10/08/17

Vertical physics problem

I feel like this should be easy and I'm making this harder than it should be.   A baseball player throws a baseball into the air at a height of 3.00 m above the release point, the ball is moving... more

10/08/17

Work is done by an air parcel that loses altitude

air parcel

10/07/17

Find the inflection point

For some tasks, a sigmoid learning curve is used to model proficiency. Suppose the percent proficiency is given by the model P(t)=(100)/(1+100e^-.6t), where t is days of practice.   Find the... more

Math please help me

f(x+h)=X^2-x+1

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