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soldier1979 [14.2K]
2 years ago
9

PLEASE HELP! THANKS!

Mathematics
1 answer:
MArishka [77]2 years ago
8 0

Answer:

The question is kinda funny. I think the graph isn't correct cos a and b coordinate ain't right

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How to write an area formula using the sides of the triangle a,b,c?
bearhunter [10]

Answer:

A=hb b/2

Step-by-step explanation:

area=height(sub)base times base divided by 2


4 0
2 years ago
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 40 d
svetlana [45]

Answer:

84°

Step-by-step explanation:

smallest angle=x

3x=2nd angle

x+40=3rd angle

angles in a triangle add up to 180 degrees so

5x+40=180

5x=140

x=28

largest angle = 3x

so 3 x 28 = 84 degrees

The largest angle is 84 degrees

7 0
2 years ago
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In how many days will the inspectors come on the same day
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Answer:

depends on situations

Step-by-step explanation:

8 0
2 years ago
For a group of 100 people, compute(a) the expected number of days of the year that are birthdays of exactly 3 people.(b) the exp
Scilla [17]

Answer:

Step-by-step explanation:

Leaving leap years, a year contains 365 days.

For a group of 100 people, each person is independent of the other and probability of any day being his birthday has a chance of

\frac{1}{365}

a) Probability that  exactly 3 people have same birthday = \frac{1}{365^3}

Each day is independent of the other

And hence no of days having exactly 3 persons birthday out of 100 persons is binomial with n = 365 and p = \frac{1}{365^3}

Expected value of days = np = \frac{1}{365^2}

b) Distinct birthdays is binomail with p =1/365 and n = 365

Hence

expected value = np =1

4 0
3 years ago
A scientist calculated the mean and standard deviation of a data set to be = 120 and 0-9. She then found that she was
Lapatulllka [165]

Answer:

The awnser on edge is C)147

Step-by-step explanation:

Hope this helped

5 0
2 years ago
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