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?
10/07/21
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?
A plane can fly 300 miles downwind in the same amount of time as it can travel 210 miles upwind. Find velocity of wind if plane can fly 225 mph in still air
I need help figuring out this problem. Im arriving at 39.70=v which feels wrong.
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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