Answer:
x=124
Step-by-step explanation:
Hope this helps
the whole is 180
180-48 is 132
132-8 = 124
Answer:
1/2×+12=10, x=-4
Step-by-step explanation:
Just trust me on this
Answer:
(x) =
Step-by-step explanation:
Let y = f(x) and rearrange making x the subject
y = 4x ( divide both sides by 4 )
x =
Change y back into terms of x
(x) =
Answer:
13/20 of a mile
Step-by-step explanation:
2/5 = 8/20
1/4 = 5/20
8/20 + 5/20 = 13/20
J=john
m=mary
j is 2 times as old as mary
j=2 times m
sum is 21
m+j=21
find mary
subsitute
j=2m therefor subsitute 2m for j
m+2m=21
add like terms
3m=21
divide by 3
m=7
mary=7
*HOPE I HELPED!*