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Megan B.
Tax Accountant
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Geometry
TutorMe
Question:

A triangle has a perimeter of 123. If two of its sides are equal to x and the third is equal to 2x-3, what is x?

Megan B.
Answer:

The three sides are x, x, & 2x-3. The perimeter equals the sum of the sides, so x + x + 2x - 3 simplified equals 4x - 3 = 123 subtract 3 from each side. 4x = 120 divide both sides by 4 x = 30

Pre-Algebra
TutorMe
Question:

Solve: 5 7/11 + 12 4/9 = ?

Megan B.
Answer:

The first step would be to find the Least Common Denominator 5 7/12 + 12 4/9 = ? 12 & 9 both go in to 36, so 5 21/36 + 12 16/36 (21+16=37) = 17 37/36 or 18 1/36

Algebra
TutorMe
Question:

What does the m in, y=mx+b stand for?

Megan B.
Answer:

The m stands for the slope.

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