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erma4kov [3.2K]
2 years ago
12

Find the missing value and please show how

Mathematics
2 answers:
tekilochka [14]2 years ago
8 0

Answer:

Step-by-step explanation:

∠YUV = 29 + 62  {Exterior angle property}

          = 91

Exterior angle property : Exterior angle equal the sum of opposite interior angles.

Lady bird [3.3K]2 years ago
6 0
91 hopes this help brainless
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The number of typing errors made by a typist has a Poisson distribution with an average of two errors per page. If more than two
wlad13 [49]

Answer: 0.6767

Step-by-step explanation:

Given : Mean =\lambda=2 errors  per page

Let X be the number of errors in a particular page.

The formula to calculate the Poisson distribution is given by :_

P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}

Now, the probability that a randomly selected page does not need to be retyped is given by :-

P(X\leq2)=P(0)+P(1)+P(2)\\\\=(\dfrac{e^{-2}2^0}{0!}+\dfrac{e^{-2}2^1}{1!}+\dfrac{e^{-2}2^2}{2!})\\\\=0.135335283237+0.270670566473+0.270670566473\\\\=0.676676416183\approx0.6767

Hence, the required probability :- 0.6767

6 0
3 years ago
Solve the system of equations -x+ 2y = –11 and 5x – 8y = 39 by<br> combining the equations.
Alchen [17]

Answer:

x=-5, y=-8. (-5, -8).

Step-by-step explanation:

-x+2y=-11

5x-8y=39

---------------

5(-x+2y)=5(-11)

5x-8y=39

---------------------

-5x+10y=-55

5x-8y=39

--------------------

2y=-16

y=-16/2

y=-8

-x+2(-8)=-11

-x-16=-11

-x=-11+16

-x=5

x=-5

3 0
2 years ago
How do I show my work for 25 x 3/5=15​
stepladder [879]
Cut 25 with 5
5x3 = 15
15 = 15
5 0
3 years ago
In 2000, U.S. trade with Saudi Arabia totaled $20.6 billion. Of this total,
xxMikexx [17]

Answer:

30.1%

Step-by-step explanation:

Find the percent that was US exports by dividing 6.2 by 20.6, then multiplying it by 100

(6.2/20.6) x 100

= approximately 30.1

So, approximately 30.1% of the trade was US exports

8 0
3 years ago
Steve and Juan are reading the same book, and Juan is about 1/2 of the book ahead of Steve. Which of the following differences m
expeople1 [14]

Answer:

6/7-61/1

Step-by-step explanation:

5 0
3 years ago
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