Kevin S.

03/30/13

How do I find 2 points on the line y=2/5x+4 and then use those points to find the slope?

I was given a problem that says "Find two points of each line and then use those points to find the slope." Then given the following equation: y=2/5x+4. I tried using the method of substituting 0... more

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Algebra 1

03/26/13

Solution word problem.

A 4% solution is mixed with 8 gallons of a 9% solution to produce a 6% solution. How many gallons of 4% solution was mixed? This is a fill in the blank answer. Gallons is assumed.

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Scientific Notation

03/26/13

Scientific notation 53030000

What is this: 53030000 in scientific notation?

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Geometry Math(pythagoream Theorem)

03/25/13

How far was woodpecker above the ground?

Woodpecker pecked at a 19m wooden pole until it cracked and the upper part fell with the top hitting the ground 10m from the foot of the pole. Since the upper part had not been broken completely... more

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Word Problem

03/25/13

For a show adult tickets are $8.75 and children's tickets are $3.50. 460 tickets were sold for a total of 3143 how many adults tickets were sold?

Adult ticket = 8.75 child ticket = 3.50 460 tickets we're sold totaling 3143 how many adults tickets were sold

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Math

03/24/13

Write the function as a set of ordered pairs

Give the domain and range of f f(a)=r, f(b)=p, f(c)=t, f(d)=r What does f equal (type ordered pairs) ? What's the domain and range (use commas to separate answers as needed)

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Math Algebra Fractions

03/22/13

Help with fractions that contain exponents, factoring and LCD?

I have three problems that I can't completely figure. I appreciate any help and explanations! 17 - 6 x2-12x+35 x-7 x+7 + x +5 ... more

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Factoring

03/20/13

How do you factor 12x^2+5x-25??

I am not able to factor this.

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Trigonometry

03/20/13

(Cos^2x-sin^2x)/ (sin x cos x)

Terms of sin an cos simplify

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Trigonometry

03/20/13

Cos (7 pi/ 12)

Find the exact value of each expression

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Math

03/19/13

Solve the following questions

7d2-14d-21=0 3c2+66c+63=0 6c(c-4)=2(18c+168)

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Maths

03/19/13

how can you tell the face and base apart on traingular pyramid

how can you tell the face and base apart ? on a triangular pyramid for a 4th grader

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System Of Equations

03/19/13

How is the best way to do the systems of equations?

I don't really understand how to work out a system of equations problem. Please help me.

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Trigonometry

03/19/13

Trigonometry hardest questions

x^2/a^2 + y^2/b^2 = 2know have to squar them... but really confused....pleasee help mee...????

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Trigonometry Identities

03/19/13

show that cos(A-B) - cos(A+B) = 2sinA sinB

Anybody have an idea how to solve that question... think needs to simplify first and use identities to solve.. but cant even start it.. please any help is welcome..

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Slope Intercept Form Slope Equation Graph Equation Slope

03/19/13

Find the slope of the line that is perpendicular to x-y=3

Graph equation and show work step by step

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Word Problem

03/19/13

In 1992, the moose population in a park was measured to be 4280

In 1992, the moose population in a park was measured to be 4620. By 1996, the population was measured again to be 4020. If the population continues to change linearly: Find a formula for the moose... more

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Geometry

03/18/13

What is the difference between a vertex and an angle?

I am 64 and missed schooling because of childhood hospitalisation. I'm embarrassed about how little I know of maths and have been reading thru the about.math site. A Kindergarten! geometry question... more

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Algebra

03/17/13