Quadratic trinomials are obtained when binomial expressions are expanded. Consider the following: (x + a)(x + b) = x2 + bx + ax + ab This means that quadratic...

Quadratic trinomials are obtained when binomial expressions are expanded. Consider the following: (x + a)(x + b) = x2 + bx + ax + ab This means that quadratic...

A total of $12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly and trust is $1180, how much of the $12,000 is invested at each rate?

4x+3y=-13 3x-5y=12 I have done this problem and cannot figure out what the answer is.

(5,-8) & 3=4/5x+y (I got y=5/4x+57/4 but it does not appear to be correct.)

I got y=3x+20 and was wondering if it is right.

I got y=0/-9x-6 but it does not seem right.

how many three hour and how many four hour classes were paid for?

4x - 9y = -11 36x + 9y = -11 How do i solve this?

Big Ideas Math saids that I am wrong even though I think I am right.

Using algebra to solve word problems..........jhhvcnbhvjfb

the ages of three children can be expressed as consecutive integers. The square of the age of the youngest child is twelve more than three times the age of the oldest child. Find the ages of the three...

I'm not sure if I'm doing this right For a. I got x>11/-2 or x<19/2 interval notation: (-infinity, infinity) For...

I just need to know how to do this step by step

15 books cost $51.25. Some were priced at $2.25 each,and the rest of the books were sold at $4.75. How many books were purchased at each price ?

A newspaper carrier has $5.80 in change. He has seven more quarters than dimes but three times as many nickels as quarters. How many coins of each type does he have?

Area of rectangular field 6528 yard , if the length of the field is 96 yards, what is the width?

when x is -2 what is -2*2-3x

A trail mix comprised of 59% raisins is being mixed with a trail mix variety that is 41% raisins to create a 72 lb. bag of trail mix that is 50% raisins. How many pounds of the 59% raisins...

2x2+9x-5

A cone has volume V=⅓πr2h, where r is the radius of the cone's base and h is the height of the cone. Find the height in centimeters of a cone with volume 96πcm3 and radius 6 centimeters. Note π...