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Title:	Pupil
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Voted on:	38 questions, 276 answers
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Recent activity by rob

please help!

answered Mar 25, 2014 in ALGEBRA 2

Use the Gauss-Jordan method to solve the system of equations.

answered Mar 25, 2014 in ALGEBRA 2

solve this system using either elimination or substitution:

answer edited Mar 25, 2014 in ALGEBRA 2

Given the following system of three equations, write as an augmented matrix.

answered Mar 24, 2014 in ALGEBRA 2

solve using cramers rule:

answered Mar 24, 2014 in ALGEBRA 2

a right triangle has an area of 84 square feet and a hypotenuse of 25 feet long

answered Mar 24, 2014 in GEOMETRY

Solve ln(3x+8)=ln(2x+2)+ln(x-2) for x

answer edited Mar 23, 2014 in ALGEBRA 1

The length of a rectangular frame is 5cm more than the width. The area inside the frame is 66 square cm.

answer edited Mar 22, 2014 in GEOMETRY

A rectangle has an area of 53.3 square feet. If the rectangle is 8.2 in. long, how wide is it?

answered Mar 22, 2014 in GEOMETRY

a rectangle is 25 inches long. the area of the rectanle is 400 square inches. what is the width?

answered Mar 22, 2014 in GEOMETRY

The area of triangle ABC is 36 square units. If angle B = 30 degrees and C= 8 find the value of a

answered Mar 22, 2014 in GEOMETRY

The area of triangle ABC is 20 square units. If angle A = 130o and b = 6, find the value of c.

answered Mar 22, 2014 in GEOMETRY

What is the surface are of a right circular cone if the cone's diameter is 10cm and the lenght is 20cm.

answer edited Mar 22, 2014 in ALGEBRA 2

Solve for x and graph the solution set on a number line:

answered Mar 20, 2014 in PRE-ALGEBRA

(-6,1) , (2,5)

commented Mar 18, 2014 in ALGEBRA 2

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