Could you include the image please?
=^._.^=
Try to fix the syntax next time.
4A + 6O = 5
4A = 2
Subtract the two equations.
6O = 3
O = .5
An orange is 50 cents. :))
I'm gonna assume you're looking for area.
First, you find the average of the 2 bases. (4 2/4+ 2 1/2)/2 = 3.5
Then you multiply that by the height. 3.5*6 = 21
I hope this helped. :))
P + E = 40
P = E + 30
E + 30 + E = 40
2E = 10
E = 5
Eraser cost 5 cents. :))
A + G = 2
A = 3G
3G + G = 2
4G = 2
G = .5
A + .5 = 2
A = 1.5
7*cuberoot(x) = x + 6
343x = x^3 + 18x^2 + 108x + 216
0 = x^3 + 18x^2 + -235x + 216
0 = (x-8)(x+27)(x-1) (I'm really not sure how to factor polynomials with a degree greater than 2. Help would be appreciated)
x = 8, x = 1, x = -27
sqrt(37 + 20*sqrt3) = a + b*sqrt3 (square both sides)
37 + 20sqrt(3) = a^2 + 3b^2 + 2absqrt(3)
2absqrt(3) = 20sqrt(3)
2ab = 20
10 = ab
a^2 + 3b^2 = 37
a = 5, b = 2
:))
8x + 3 = 59
3x = 55
x = 55/3
I don't think there are tutors on this site,,
Moderators are like people who can delete posts, and have some other privlidges. (I'm not sure tho)
Not quite exactly, the amounts of the solutions are different.
30% of 2 liters is .6 liters.
20% of 3 liters is .6 liters.
Total 1.2 liters of acid and 5 liters of total mixture
1.2/5 = 24%