Answer:
6/25 of the fish are red guppies.
Step-by-step explanation:
2/5 of the fish in Gary's fish tank are guppies.
Out of 2/5 the of the fish in Gary's fish tank 3/5 of the guppies are red.
So, The fraction of fish in Gary's tank are red guppies = 3/5 x 2/5
=6/25
Hope this helps!
Let P=Perm cost
Let H = Haircut cost
Let L = Lunch cost
Perm costs twice as much as haircut so.. P = 2H
L = 5
H + P + L = 68 the total cost is $68
H + 2H + 5 = 68 since P = 2H and L=5
3H + 5 = 68
3H =63
H = 63/3
H = 21
A Haircut is $21
Perm = 2H = 2(21) = $42
Hi. If you need me to explain please tell me so I will edit this comment. I'll just solve the answers for you... basically if they have a common denominator just add/ subtract, and if they don't, make it so they do by multiplying the same on each side.
2)
a. 1 3/4 + 2 1/4 = 4
b. 3 7/10 + 1 1/10 = 4 4/5
c. 2 1/8 + 3 3/8 = 5 1/2
d. 5 1/2 + 3 1/4 = 8 3/4
e. 5/8 + 2 1/4 = 2 7/8
f. 3 3/10 + 5 2/5 = 8 7/10
3)
a. 2 7/10 - 1 3/10 = 1 2/5
b. 3 5/8 - 2 3/8 = 1 1/4
c. 1 5/6 - 1/6 = 1 2/3
d. 3 7/10 - 1 1/2 = 2 1/5
e. 4 3/5 - 2 = 2 3/5
f. 1 3/8 - 1 1/8 = 1/4
Answer: -6x² + 15x + 5
Step-by-step explanation:
To solve this problem, you only need to substitute g(x)'s equation as the value of the x in f(x), then simplify.
Step 1: f(x) = -3(2x² - 5x - 1) + 2
Step 2: Apply the distributive property
-3(2x²) + -3(-5x) + -3(-1)
-6x² + 15x + 3
Step 3: Simplify
f(x) = -6x² + 15x + 3 + 2
f(x) = -6x² + 15x + 5
