Answer:
12
Step-by-step explanation:
2(3x+5x-4) = 56
2(8x-4)=56
16x-8 =56
16x = 64
x= 4
plug in
3(4)
Answer:
A.) 31.579
Step-by-step explanation:
12/38 · 100= 31.579%
12/38 men agreed so to make it into a percentage, multiply by 100.
=> 38% of students at a college failed mathematics
=> 27% failed physics, and=> 9% failed both. A student is selected at random.
a)If a student failed physics, what is the probability that he or she failed math?
=> 1/38
b)If a student failed math, what is the probability he or she failed physics?
=> 1/27
c) What is the probability that he or she failed math or physics?
=> 1/9
Step-by-step explanation: