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chubhunter [2.5K]
4 years ago
8

HELP 283829 MATH!!!!!!!!!!!!!!

Mathematics
2 answers:
klio [65]4 years ago
5 0
A,D,D,C,D are correct
STatiana [176]4 years ago
3 0
For the first one, you're answer would be AC. since C is also a right angle, and angle A is hypnotenuse to C
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Radius and diame
makvit [3.9K]

Answer:

d = 4 units

Step-by-step explanation:

The diameter is twice the radius

d = 2r

d = 2(2)

d = 4 units

5 0
3 years ago
3. From the table below, find Prof. Xin expected value of lateness. (5 points) Lateness P(Lateness) On Time 4/5 1 Hour Late 1/10
wariber [46]

Answer:

The expected value of lateness \frac{7}{20} hours.

Step-by-step explanation:

The probability distribution of lateness is as follows:

  Lateness             P (Lateness)

  On Time                     4/5

1 Hour Late                  1/10

2 Hours Late                1/20

3 Hours Late                1/20​

The formula of expected value of a random variable is:

E(X)=\sum x\cdot P(X=x)

Compute the expected value of lateness as follows:

E(X)=\sum x\cdot P(X=x)

         =(0\times \frac{4}{5})+(1\times \frac{1}{10})+(2\times \frac{1}{20})+(3\times \frac{1}{20})\\\\=0+\frac{1}{10}+\frac{1}{10}+\frac{3}{20}\\\\=\frac{2+2+3}{20}\\\\=\frac{7}{20}

Thus, the expected value of lateness \frac{7}{20} hours.

8 0
3 years ago
In a deck of 52 cards, there are 2 jokers and 4 each of the number cards 1-10.The probably of picking a joker is 2 out of 52 car
Lynna [10]

Answer:

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Malcom is filling bags with rice. He starts with 5 1/4 lbs. container of rice and fills each bag with 5/8 pound of rice. How man
NeTakaya
He can fill five bags with 2/8 lbs of rice left that is left over a d can not go into a bag .
8 0
2 years ago
Find the slope of the line that passes through (3, 10) and (7, 9).
vladimir2022 [97]

Answer:

-1/4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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