Answer:
Find the area of the semi circle with Diameter of 4
2π
6.3
Step-by-step explanation:
The area formula for semicircle is (πr^2)/2.
r=2 because radius is half of diameter.
(π(2)^2)/2, 2 squared= 4 and half of it is 2. = 2π
2π would round to the nearest tenths is 6.3.
Answer:
20°
Step-by-step explanation:
x+40=60 (vertically opposite angle)
or, x=60-40
or, x=20°
Answer:
−c=d−r−a
Step-by-step explanation:
if we move a value to the other side of the equal sign, the value switches positive and negative signs, in this case A moved to the right, which caused it to turn negative.
Answer:
From $1600 to $3400.
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
In this problem, we have that:
Mean = 2500
Standard deviation = 300
What interval of dealer incentives would we expect approximately 99.7% of vehicles to fall within?
By the Empirical Rule, 99.7% fall within 3 standard deviations frow the mean. So
From 2500 - 3*300 = 1600 to 2500 + 3*300 = 3400.
