I think it’s D
I’m not 100% bc it’s been a while since I learned about those
Answer:
C
Step-by-step explanation:
5 more than twice a number
(A number)=variable=x
2x+5<20
Subtract 5 from both sides
2x<15
Divide by 2
x<7.5
Any number below 7.5 (can't be 7.5 though)
Answer:
E) 300
F) 510
Step-by-step explanation:
E) 6*50=300
F) 35*6+300=510
Answer:
First derivative the equation
39x²-318x-412=0
then use the quadratic formula
then x = 9.29 or x = -1.14
