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aalyn [17]
2 years ago
12

The diagram shows a triangle. 84 20u 36 What is the value of u?

Mathematics
1 answer:
Drupady [299]2 years ago
7 0

Answer:

3

Step-by-step explanation:

All angles of a triangle add to 180

84+36=120

And when you have 2 numbers next to each other you multiply so 3×20=60

and 60+120=180

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Order 3/2, 5/8, 9/4, 1 & 7/8 from least to greatest
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3 years ago
130% of what number is 20.8
Gemiola [76]

Answer 16

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3 0
3 years ago
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4.) The time X (minutes) for a lab assistant to prepare the equipment for a certain experiment is believed to have a uniform dis
Jet001 [13]

Answer:

P(35-2 < X 35+2) = P(33< X< 37)= P(X

And using the cumulative distribution function we got:

P(35-2 < X 35+2) = P(33< X< 37)= P(X

The probability that preparation is within 2 minutes of the mean time is 0.134

Step-by-step explanation:

For this case we define the following random variable X= (minutes) for a lab assistant to prepare the equipment for a certain experiment , and the distribution for X is given by:

X \sim Unif (a= 20, b =50)

The cumulative distribution function is given by:

F(x) = \frac{x-a}{b-a} , a \leq X \leq b

The expected value is given by:

E(X) = \frac{a+b}{2} = \frac{20+50}{2}=35

And we want to find the following probability:

P(35-2 < X 35+2) = P(33< X< 37)

And we can find this probability on this way:

P(35-2 < X 35+2) = P(33< X< 37)= P(X

And using the cumulative distribution function we got:

P(35-2 < X 35+2) = P(33< X< 37)= P(X

The probability that preparation is within 2 minutes of the mean time is 0.134

8 0
3 years ago
Darren teaches a class of 25 students. He assigns homework 3 times a week, and each assignment consists of 12 problems. How many
riadik2000 [5.3K]
I'm guessing its 900 because 3 × 12 = 36
36 × 25 = 900
6 0
3 years ago
Read 2 more answers
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