Answer:
≈ 12.05
Step-by-step explanation:
Pythagora
x = √(9² + 8²)
= √(81 + 64)
= √145
≈ 12.05
Answer:
{ 0, 3, - 3 }
Step-by-step explanation:
f(x) = x(2x - 3)(x + 3)
to find the zeros let f(x) = 0 , that is
x(2x - 3)(x + 3) = 0
equate each factor to zero and solve for x
x = 0
2x - 3 = 0 ⇒ 2x = 3 ⇒ x = 
x + 3 = 0 ⇒ x = - 3
zeros are { 0,
, - 3 }
Answer:
1.5 liters is 6.34013 cups
Step-by-step explanation:
Find total instruments:
20+20+45+15 = 100
20 are brass
The portion would be number of brass over total:
20/100 which reduces to 1/5 are brass
Answer:
Step-by-step explanation:
4^(4-7+1) = 4^-2