Elementary Algebra
I need help setting this problem up? AT&T one rate 10cents nation wide direct plan for $2.99 a month plus 10cents per minute. Quest 5cent long distance plan for $4.99 per month plus 5cents per minute. For what number of minutes per month will the two plans cost the same?
Elementary Algebra
How do you solve by elimination this linear equation? 8x-3y=-6, 5x+6y=75
Elementary Algebra
The perimeter of a soccer field is 280yd. The width is 5yd more than half the length. Can you help me with the formula to solve this problem?
Elementary Algebra
How do I solve the system of equations by graphing? example:4x+y+2, x= 1/2+5
Elementary Algebra
Simplify:2x-9 Divided by 9-2x
Elementary Algebra
I need an explanation on how to work out negative exponents. Example: (3a^-2b^3)^-2
College Math
Why is the product of two numbers not always their least common multiple?
math
What is the process to list all numbers for which rational expression is undefined? Ex: y-3divided y+5
Math
Right Triangle one leg is 400ft. long. The hypotenuse of the triangle is 200ft. longer than the other leg. What is the dimensions of this triangle?
Math
Engine failure forced Robbin to pilot her Cessna150 to an emergency landing. TO land, Robbin's plane glided 17,000 ft over a 15,000-fot stretch of deserted highway. From what altitude did the descent begin?
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