Answer:
-4
Step-by-step explanation:
Go to x value of -5 and go down until you touch line.
40 x 10 = 400
400 / 100 = 4
Mai has 4 hundreds.
Answer:
y=2x-1
Step-by-step explanation:
straight line equation
y=mx + c
find gradient(m) first,use formula;
m=3-7/2-4
m= -4/-2
m=2
use one the coordinates
(2,3)
3=2(2)+c
3=4+c
c=3-4
c = -1
y = 2x - 1
Let "n" be a number
9 + 3n = 57
3n = 57 - 9
3n = 48
n = 48/3
n = 16
Answer:
B, quadrat sampling
Step-by-step explanation:
