Write x-4 instead of y.
x²+(x-4)²=40
x²+x²-8x+16=40
2x²-8x-24=0
x²-4x-12=0
(x-6)(x+2)=0
x=6 or x=-2
for x=6, y=6-4 = 2
for x=-2, y=-2-4 = -6
15 is half of 30...right. so what is half of 6...Thats your answer. because in #10 y=5x. do a similar thing with number 12. accept with looking at t instead of x for your given value
Answer:
this year their was 16 more players so if you have 16 as one of your answers you can go ahead and put that.
Step-by-step explanation:
Answer: 46.80
Step-by-step explanation:
20% of 39 = 7.80
39+7.80= 46.80
