Answer:
y = 3x - 4
Step-by-step explanation:
The line crosses the y-axis at -4. The line goes 3 down and 1 left.
Answer:
32. 24.
Step-by-step explanation:
hope this helps
Answer:
Step-by-step explanation:
perimeter of rectangle=2(length+width)
=2(70+65)
=2*135
=270 feet
Answer:
7)141
8)65
Step-by-step explanation:
Answer and Step-by-step explanation:
a)
expected value for the difference in sample means=3.5-3.2=0.3
b)
standard deviation of the sampling distribution of the difference in sample means
=sqrt((0.5^2/40)+(0.8^2/40))
=0.1492
c)
z=(0.3-0)/0.1492
z=2.01
P(z>2.01)=0.0222
