the area of a triangular sail is given by the expression 1/2bh, where b is the length of the base and hi is the height. What is
2 answers:
Answer:
42 square inches.
Step-by-step explanation:
The given expression for the area of the triangular sail is
Here b is the length of the base and h is the height.
Now, we have to find the the area of a triangular sail in a model sailboat when b=12 inches and h=7 inches.
Substituting these values in the above expression to find the area of the triangular sail.
Therefore, the area of triangular sail in a model sailboat when b=12 inches and h=7 inches is 42 square inches.
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Using the expected value, it is found that the mean of the distribution equals $0.1.
- The expected value, which is the mean of the distribution, is given by <u>each outcome multiplied by it's probability</u>.
The probabilities of <u>each outcome</u> are:
- .0000001 probability of earning $1,000,000.
- .9999999 probability of earning $0.
Thus, the mean is given by:
Thus showing that the expected value is $0.1.
A similar problem is given at brainly.com/question/24855677
Answer:
Interest in 3 years = $456.52
Step-by-step explanation:
As we know the the formula of compound interest
Total amount =
Here n = number of times amount is compounded
r = rate of interest
t = period
Here A = $2500
r = 0.0575
n = 1 (compounded annually)
t = 3 years
Therefore amount after 3 years
P =2500(1.0575)³
= 2500×1.18
= $2956.52
We have to calculate the interest then
Interest = $2956.52-$2500 = $456.52
So after 3 years interest gained = $456.52