Answer:
John is 22; Mary is 10
Step-by-step explanation:
mary=m
john=2+2m
equation john + mary = 32
(2+2m) + m =32
3m+2 =32
3m=30
m=10
2m+2=?
2(10)+2=22
Answer:
D
Step-by-step explanation:
cannot be determined without side lengths
Assuming a fair die,
probability of winning 0.25 = (2/6) = 1/3
probability of losing 0.25 = (4/6) = 2/3
Expected win
= sum (proba.*winning)
=0.25*(1/3) + (-0.25)(2/3)
=-0.25/3
= - (1/12) dollars (negative sign means expecting to lose)
Answer:
13 =w
Step-by-step explanation:
-33 = 6 - 3w
Subtract 6 from each side
-33-6 = 6 - 3w-6
-39 = -3w
Divide each side by -3
-39/-3 = -3w/-3
13 =w
The equation in y=mx+b form is 1/4x-9.