Answer:
x=11
AB=45
BC=73
Step-by-step explanation:
AB+BC=AC, so...
4x+1+7x-4=118
Combine like terms
11x-3=118
Solve for x
11x=118+3
11x=121
x=11
Now put x in each equation
AB=4x+1=4(11)+1=44+1=45
BC=7x-4+7(11)-4=77-4=73
AC=45+73=118 (which was given!)
Answer:
B
Step-by-step explanation:
The equation would be 12 + 30 = x, because the amount of miles James ran all together would be the sum (what the numbers add up to).
Answer:
7.50 per person
Step-by-step explanation:
60 divided by 8
7.5
question 1: you must set the equation to 0 in order to solve the quadratic equation
