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ser-zykov [4K]
2 years ago
9

Hey i hope ur having a good day can you answer these? thank you

Mathematics
2 answers:
uysha [10]2 years ago
8 0

Answer:

1. C

2. B

Step-by-step explanation:

hope this helped <33

bye hope ur day is good :)

wolverine [178]2 years ago
4 0

question one

180 - 6 = 174 ( c )

because angles on a straight line are 180 !

question two

AB = 6 units

AC = 8 units

( i just counted the boxes )

BC = square root ( 36 + 64 ) = 10

( pythagorus’ theorum )

6 + 8 + 10 = 24 units ( b )

im late but :(

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I’ll mark brainliest
Naddik [55]

Answer:

A

Step-by-step explanation:

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4 0
2 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
An online DVD rental company offers gift certificates that you can use to purchase rental plans. You have a gift certificate for
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Answer:

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Step-by-step explanation:

Given

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Answer:

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Charra [1.4K]

Answer:

nol and klj

Step-by-step explanation:

since they are parallel lines you would look for which angles correspond to the sample place on the intersection

5 0
3 years ago
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