Answer:
Step-by-step explanation:
0.1322 ≅ 0.13
Answer:
sin25 = cos65
Step-by-step explanation:
Answer:
x=1 or -1/2
Step-by-step explanation:
The value of x is 1 or -1/2
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