Step-by-step explanation:
By substitution method
6x+3(2x)=12
6x+6x =12
12x=12
x=1
y=2x
y=2*1
y=2
Answer:
50
Step-by-step explanation:
2(3)^2+9(3)+5
2(9)+27+5
18+27+5
=50
Answer:
60%
Step-by-step explanation:
add them all to 20
add 7 and 5 to get 12
12 over 20 is 60 percent
Answer:
Tim wants to knows the opposite of how cold it is outside. If the temperature outside is 0 degrees Celsius, what is the opposite of it?
Step-by-step explanation:
Answer:
Well the original price would be $44
Step-by-step explanation:
So make an equation
Lets make X stand for the price before the deduction
so x-x(0.3)=30.80
Subtracting the X by x(0.3) would tell us the price, the 0.3 stands for 30 percent and we know its 30 percent of X so we subtract that since 0.3x would give the change
Now just solve the equation
You’ll get 44.
