Steve S.

Term Expansion Number

04/01/14

Which term of the expansion contains x^10

Which term of the expansion of (x2+2)8 contains x10? the term number that contains x10 is?

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Binomial Coefficient

04/01/14

Evaluate the binomial coefficient

Evaluate the binomial coefficient: (14 11) side note: 14 is on top of 11 in parentheses

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Trigonometry Indentities

04/01/14

I can not figure out how to work this Trig Identity problem

2cos2θ+sinθ=1

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Precalculus

04/01/14

Suppose x is an angle of a right angled triangle and sin x =12/13. tan(x)=

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Precalculus

04/01/14

Use the half-angle formula to find the exact value of tan 3pi/8.

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Pre Calculus

04/01/14

Pre-Calc Questions

Give a practical interpretation in words of the function1) k(g(t)), where L=k(H) is the length of a steel bar at temperature H and H=g(t) is temperature at time t2) t(f(H)), where t(v) is the time... more

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Optimizing

04/01/14

I need help with optimizing a minimum

A closed rectangular container with a square base is to have a volume of 3456 in3. The material for the top and bottom of the container will cost per $4 in2, and the material for the sides will... more

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Optimizing

04/01/14

I need help with optimizing a minimum

A rectangular page is to contain 30 square inches of printable area. The margins at the top and bottom of the page are each 1 inch, one side margin is 1 inch, and the other side margin is 2 inches.... more

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Dividing Complex Numbers

03/31/14

How to solve 5 divided by 3+2i

5 3+2i

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Pre Cl

03/31/14

A couple questions :)--- Math

Give a practical interpretation in words of the function 1) k(g(t)), where L=k(H) is the length of a steel bar at temperature H and H=g(t) is temperature at time t 2) t(f(H)), where t(v) is the... more

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Algebra 1

03/31/14

x^2+7x+12/(x=6)(x+3)

Trying to simplify

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Inequalities Algebra Help Interval Notation

03/31/14

inequality solve

Solve the inequality -3(2+3x) ≥ 6 – (7x+4). Write the solution set in interval notation. Show work.

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Algebra Help Radius Math Help For College

03/31/14

center and radius

State the center and the radius of the circle represented by the equation. show all work (x-4)^2+(y+6)^2=64

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Pre Calculus

03/31/14

Composition of Functions

Let f(x)=3x^2, g(x)=9x-2, m(x)=4x, and r(x)=sqrt3x. Find and simplify the composite function. 1) r(g(x))----> I got sqrt(27x-6) 2) r(f(x))-----> I got 3x 3) g(m(f(x)))---> I got... more

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Math Question

03/31/14

Using the quadratic formula to solve 5x = 6x2 – 3, what are the values of x?

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Distributive Property

03/31/14

how do you do fractions in distributive property

1 2 - (2w-6)- - (9w-6) 2 3

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Word Problem Averages Optimization

03/31/14

Optimization Problems

There are 50 apple trees in an orchard, and each tree produces an average of 200 apples each year. For each additional tree planted within the orchard, the average number of apples produces drop by... more

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Cylinder Rectangle Optimization

03/31/14

Optimization Problems

A rectangular piece of paper with perimeter 100 cm is to be rolled to forma cylindrical tube. Find the dimensions of the paper that will produce a tube with maximum volume.

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Math Help

03/31/14