10/14/21

Finding an average score

Leah's average for the past three quizzes is 84. What must she make on the fourth quiz to increase her average to 88?

10/14/21

Math word problem

There are 7 times as many cars as there are trucks in a parking lot. If there are 49 cars in the parking lot, how many trucks are there?

Hi there I need help with rationalize the denominator

Rationalize the denominator 1/-8-5i 1/-2-8i 4/-3-6i -10-5i/-6+6i

02/13/18

A rectangular window has a height of 5 1/2 feet and a width of 1 1/2 feet. What is the perimeter of the window?

the height is 5 1/2 and the width is 1 1/2 .Whats the perimeter?  

08/27/13

What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?

How would you define what a rational exponent is? How about rational expression?Provide two rational expressions with different denominators for your classmateto add orsubtract.

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