Answer:
= 41
Step-by-step explanation:
plug in the numbers for the variables
5(4) + 7(3)
multiply
20 + 21
add together
= 41
Answer:
the given equation is y=4/7x
reciprocating both sides you get y/x =7/4
now x and y are directly porportional to each other so
x=ky where k is the constant
or x/y=k ......................(2)
equating 1 and 2
k=7/4
Step-by-step explanation:
Answer:
25
Step-by-step explanation:
If Olivia had 10 more p than Sophia, then Olivia has 35, and Sophia has 25.
35 + 25 = 60!
5(2x+5y=16)+2(-5x-2y=2)
10x-10x+25y-4y=80+4
21y=84
y=4, making 2x+5y=16 become:
2x+5(4)=16
2x+20=16
2x=-4
x=-2
So the solution to the system of equations is the point (-2, 4)
