Answer:
- question 2 answer is C. (-1,7) and (6,28)
- question 3 answer is A. it is possible for a system of equations composed of linear function and a quadratic function to have 3 solutions.
- question 4 answer is (1,6)
P.s. if any question is wrong then I'm sorry. :(
Step-by-step explanation:
question 4
y=2x^2-5x+9
y= 2x^2+5x-1
y= 2x^2-5x+9=2x^2+5x-1
x=1
y= 2×1^2+5×1-1
y=6
Answer:
6 hours and 45 minutes
Step-by-step explanation:
162÷24=6.75
6.75=6 hours and 45 min
Answer:
n=8
Step-by-step explanation:
n/2+3=7
-3 -3
n/2 = 4
*2 *2
n=8
I think it would be division :)
Step-by-step explanation:
3528 ÷ 30 = 117.6
He should travel 117.6 m in one minute
