Answer:
20
Step-by-step explanation: easy j is 16 years old and m is 4 years older so m is 20
Answer:
Solution 1: 1+1
Solution 2: 1-
Step-by-step explanation:
x^2-2=2x
x^2-2x-2=0
Use quadratic equation.
(-b+-
)/2a
(2+-
)/2
(2+-
)/2
(2+-
)/2
Solution 1: (2+2
)/2=1+1
Solution 2: 1-
X=-9
-x=9 so x=-9 since you inverse the sign
Answer:
D. y = 8.9 ÷ 0.4
Step-by-step explanation:
I hope this helps
Answer:
30
Step-by-step explanation:
2/3 = x/18
2*18 = 3x
36 = 3x
x=12
so there are 12 boys
12+18=30