3y+1=4y-6
1+6=4y-3y
y=7
2+6x=1-x
6x+x=1-2
7x=-1
x= -1/7
5y+4=4y+5
5y-4y=5-4
y=1
Answer:
0.3
Step-by-step explanation:
3/10
3x10^-1
If 8 is the denominator, the answer should be 120/8 which should be 15 kilograms.
Answer:
b=16
Step-by-step explanation:
Formula~ 1/2*b*h
1/2*15*b=120
7.5b=120
b=120/7.5
b=16
(you can substitute the value to check-i've done it below)
1/2*16*15=?
if you work it out, the ans will be 120, therefore the ans is correct!