Answer:
a) x = 3
b) x = 10
c) x = 28
Explanation:
a)

collect term

simplify

divide both both sides by 6

b)

distribute

collect terms

combine

divide both sides by 15

c)

collect like terms

combine

cross multiply

simplify

Tu tá no brainly americano, irmão.

Answer:
P (HHH) = 1/8
Step-by-step explanation:
We want the probability of HHH
P(HHH) = P (heads and Heads and heads)
When we have an and, we multiply the probability
P(heads 1st time) * p(heads 2nd time) * P (3rd time)
The probability of a heads is 1/2
1/2 * 1/2 * 1/2
P (HHH) = 1/8
Answer:
I am very confused on this question