Steve S.

Other

04/06/14

Find the cross product and show it is orthogonal to both u and v.

U=6k V=-i+3j+k What can i do here ? U only have k

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Quadratic Word Problem

04/06/14

quadratic functions help please

the formula h=-16t^2 +vt if the model rocket is fired at an intial vertical velocity of 78 meteres per second will the rocket reach a height of 80 meters? t

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Math Help

04/06/14

Can you answer this calculus question?

A particle moves on the x-axis so that its velocity at any time t≥0 is given by v(t)=12t^2-36t+15. At t=1, the particle is at the origin. a) Find the maximum velocity of the particle for... more

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Linear Equations

04/06/14

How can I solve this linear equation? 3/4y=y/16+8

Please help solve this equation! I've been stressing over this topic for weeks now! I really need help! Please, go into detail as much as you possibly can.

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Factoring Polymonials

04/06/14

how can I factor this problem a^2 +11ab +30b^2

factoring polymonials helpme factor this problem

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Calculus

04/06/14

Product Rule

g(p)=10^p e^2p

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Fractions Quadratic Equations Quadratic Functions

04/06/14

How to solve quadratic functions that contain fractions?

What is the best way to solve a quadratic equation that contains fractions? An example is 1/2x - 2x = 3/2

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Math Analysis

04/06/14

6x2-15y2-xy+16x+24y=0

represent 2 srtaight lines find the equation of each straight lines???

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Other

04/05/14

Find the area of the parrallelograma that has the vectors as adjacent sides?

u=2i+4j+6k v=i+k

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Trigonometric Identities

04/05/14

Verify identities

tan2x = sin2x 1+tan2x

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Trigonometric Identities

04/05/14

Simplify trig identities

1+cosx = sinx sinx 1-cosx

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Factorising

04/05/14

Factorising quadratics.

If i am factorising x2-x-72=0, I know i need to put it in the format of (x-n)(x+m) and i know 9x8 is 72 but i dont know which way to but the numbers in the brackets

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Simplify

04/04/14

simplify solutions

assuming that none of this solution is underfined, please simplify. a^2^m b ^m^+^1 a^mb thanks

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Counterexample

04/04/14

Question about counterexample

How do I show by counterexample that (x+y)^-^2 and x^2 + y^2 are not equivalent?

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Math Help

04/04/14

Which of the following is the radius?

Which of the following is the radius of convergence of the series ∑ (n(2x-5)^n)/(n+2) from n=0 to infinity? a) 1 b) 1/2 c) 3/2 d) 2 e) 5/2 I worked the problem and the answer I got is... more

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Systems Of Equations

04/04/14

. 2x-2y=8

Solve the following systems of equations using the graphing method. What type of system is it? Name the solution if there is one.

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Calculus

04/04/14

I have a word problem

Find 2 numbers such that one number is 1 unit greater than the second number and the sum of the squares of the numbers is a minimum.

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Circles

04/04/14

How do you find the x intercepts and y intercepts of a circle with a given circle besides graphing?

The circle is not in the formula already. The equation is x^2+y^2+4x-6y+4=0 Also I am not sure whether I should complete the square or not.

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Math Problem

04/04/14

A cylinder and a rectangular prism have the same volume and same height. The base of the prism is a square with side length 7 cm. What is the approximate radius of the cylinder? A. 4.0 cm B. 3.5... more

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