Radical Expressions,
Weighted Averages
Weighted Averages
3sqrt3-2sqrt2+5sqrt3
What is
8sqrt3-2sqrt2?
sqrt18+sqrt8
What is
5sqrt2?
x+y=5
x-y=1
What is (3,2)?
(1/x)/(1-1/x)
What is
1/(x-1)?
5+5
What is 10?
12sqrt7+6sqrt7-20sqrt7
What is
-2sqrt7?
sqrt24-sqrt48
What is
2sqrt6-4sqrt3?
x+2y=8
-5x+2y=-4
What is (6,1)?
(1/w+c/w)/(1/c)
What is
(c+c^2)/w?
-5(-5)-5
What is 20?
sqrt2+3sqrt3-4sqrt2+6sqrt3
What is
-3sqrt2+9sqrt3?
2sqrt18-sqrt72
What is 0?
2x-y=13
3x+4y=3
What is (5,–3)?
(x/y+1/y)/(x/y-1/y
What is
(x+1)/(x-1)?
555-5555-55-5
What is 5060?
The weighted average if the test scores were 70, 80, and 100, and they were weighted 1, 5, and 7
What is 90?
sqrt50000000
What is
5000sqrt2?
3x+4y=-7
2x+3y=-6
What is (3,–4)?
(1/m+5)/(2/m-x/m)
What is
(1+5m)/(2-x)?
(5+5*(5+5)+5)/5
What is 12?
The weighted average of the test scores if the scores were 60, 70, 80, and 90 and the weights were 1, 2, 4, and 6
What is 81.54 or 81.5?
8sqrt27-3sqrt75
What is
9sqrt3?
5x+2y=-3
2x+3y=-10
What is (1,–4)?
(ax^-1+by^-1)/(x^-1)
What is
(ay+bx)/y?
DOUBLE!
5^5*5^5
What is 9,765,625?