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02/04/17

polynomials

Evaluate each polynomial for x=2 ,y=-3 , and  z= -4 xy-x2z+yz (2)(-3)-(2)2(-4)+(-3)(-4)2  ??????   I am having a hard time someone help please

02/04/17

Use the function f and the given real number a to find......

Use the function f and the given real number a to find  (f −1)'(a).    f(x) = x3 + 4x − 2, a = 3 (f −1)'(3)= ??     Thanks

02/04/17

Lim as x approaches infinity from the left side of 10*sin(x^4+1)/x^4+1

I don't understand how this solves to be 0 ?

find the volume generated by revolving the region between them about the x-axis: f(x)=2 and g(x)=cos(x) [0,Pi/2]

find the volume generated by revolving the region between them about the x-axis: f(x)=2 and g(x)=cos(x) [0,Pi/2]

02/01/17

Solve and graph compound inequalities

-8 < -2x -6 < 8

01/31/17

Is this a fair game? Explain why or why not.

You toss a circular coin randomly onto the Adversary’s† infinite checkerboard. That is, it is as likely to turn up in one location as any other location. The coin’s diameter is exactly half the... more

01/31/17

provide an epilson delta proof

How would i provide a ε—δ proof for this lim x→2 5 = 5

Discrete Math / Set Theory - Proof

Hi I have 2 problems that I need to say whether or not they are true or not and then write a proof for my answer. I am really struggling and could use a little help thank you   1)        (X ⊆ Y... more

For triangle ABC ∠C = 90 Side AB = 20.1 Side BC = 4 Find the measure of ∠B

Please tell me the awnser 

01/22/17

Hard geometry problem, please show and explain all work

The perimeter of a right triangle with side lengths that are integers, and having the same area as a rectangle with dimensions 36 cm by 45 cm is, in cm

01/20/17

Can someone please help me.. I really need help with this geometry problem.

https://api.agilixbuzz.com/Resz/~69zTBAAAAAAYY4AupdETzB.1qRtGCqL5mfuyHwPU0wq2D/50421344,0,0,49/Assets/Copied/79564d3cc4a949878af291351482e398/geo7.210.PNG          

I am confused with this?

The resistance of a wire is R. It is bent at the middle by 180 degrees and both the ends are twisted together to make a shorter wire. The resistance of the new wire is?   a. R/2 b. R/4 c.... more

pre calculus, speed and bearing

A fighter plane is flying with a bearing of 155 degrees at a speed of 110 mph towards enemy lines when it encounters a strong wind of 60 mph blowing FROM 250 degrees.    A. Draw a vector diagram.... more

01/16/17

A notebook and a bookbag costs $29.

A notebook and a bookbag costs $29. Two notebooks and 3 bookbags costs $83. Find the cost of each notebook.   Please tell me the final answer  

01/14/17

Think about a plan

your friend multiplies x+4 by a quadratic polynomial and gets the result x^3-x^2-24x+30. The teacher says that everything is correct except of the constant term. Find the quadratic polynomial that... more

01/14/17

How to write a fraction using a table?

Lets say I have this table,    X         y2        10 4         6 6         2 8        12 Would the x-values or the y-values be the numerator/denominator? For example,   2/10 or 10/2? x  ... more

01/14/17

Is the a pi equivilency in different number based systems ie. hex?

Pi goes on forever,  do other number systems have an equivelent?

01/14/17

Permuations and Combinations

Find the number of ways in which a team of 6 batsmen, 4 bowlers and a wicket keeper may be selected from a squad of 8 batsmen, 6 bowlers and  2 wicket keepers.   8C6x6C4x2C1=840   Find the... more

Find the exact value of the trig function below.

  cos(x+y) if sinx=12/13, cosx=5/13, siny=8/17, and cosy=15/17

Identify local extrema

For any parameter a, identify local extrema of the function f(x)=ax+[(x^2)-4] ((x^2)-4 is in absolute value bars) and determine their type (max/min). State for what a does f have only one local... more

Quadrilateral ABCD has vertices A(1, -3) , B(2, 1), C(6, 3), and D(7, -1). Prove or disprove that the Quad ABCD is a rectangle.

I NEED TO PROVE OR DISPROVE THE QUAD ABCD TO THIS QUESTION I NEED HELP ON IT BECAUSE I DO NOT KNOW HOW TO SOLVE THIS QUESTION PLEASE CAN U HELP ME WITH THIS PROBLEM IM REALLY STRUGGLING

01/12/17

Permutation and Combinations

In a row of 6 counters, 3 are red, 2 are blue and 1 is white. Find the number of arrangements in which no red counter is next to another red counter.   Ans is 12
1 3 4

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