Answer:
false
Step-by-step explanation:
1-2cos²r=1-2(1-sin²r)=1-2+2sin²r=2sin²r-1
Let student tickets are x and adult tickets are y
x + y = 516.........x = 516 - y .........(substitute in 2)
3x + 5y = 2046 ......(2)
3(516-y) + 5y = 2046
1548 - 3y + 5y = 2046
2y = 498
y = 249
x = 516 - y = 516 - 249 = 267
so the correct answer is b
Answer:
Slope =
M(x,y) = (1 , 8.5)
D =
Step-by-step explanation:
(i) Slope =
=> Slope =
=> Slope =
(ii) Midpoint
M(x,y) =
M(x,y) =
M(x,y) = (1 , 8.5)
(iii) Distance Formula =
D =
D =
D =
D =
Answer:
1
Step-by-step explanation:
g(-3)=-2(-3)²+3(-3)
=-18-9
=-27