Answer:
50
Step-by-step explanation:
add 5 to -25 to get -2/5x by itself.
A(n)=a+(n-1)d
A(40)= -1+(40-1)-4
A(40)= -1+39(-4)
A(40)= -1+(-156)
A(40)= -157
Answer:
Step-by-step explanation:
Let f(x) be denoted by y,thus y= -3x+2
Now interchange x and y,it becomes x= -3y+2
Solve for y,
y
=
2
−
x
3
This is
f
−
1
x
Answer:
D: 16.5
Step-by-step explanation:
Here,
Area of trapezium is 1/2 sum of parallel sides*height
as given,
1/2 (8+3)*3
1/2*33
16.5
Hope it helps!!