Answer:
f=1/x^2-81
Step-by-step explanation:
Step 1: Multiply both sides by x^2-81.
fx3−81fx=x
Step 2: Factor out variable f.
f(x3−81x)=x
Step 3: Divide both sides by x^3-81x.
f(x3−81x)
x3−81x
=x
x3−81x
f=
1
x2−81
Answer: It's 72.
Step-by-step explanation: They deleted my answer <:(
Answer:
B). 5.6
Step-by-step explanation:
3.2/x = 4/7
Then, cross-multiply
4x = (3.2) 7
4x = 22.4
x = 5.6
Answer= .2 probability
Explanation: Since there is a total of 10 marbles, and 2 are red, you would divide the red marbles (2) out of the total marbles (10) which would get u .2. Since it’s asking for probability, we would keep .2 a decimal.
Answer:
i pretty sure i do not know that answer to be honest
Step-by-step explanation:
i believe this because i dont know anything about this im still lost
