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2 years ago

I need help with the unanswered questions asap!!

Mathematics

2 answers:

devlian [24]2 years ago

8 0

Answer:

11. screenshot attached

12.screenshot attached

13. C

14. B

15. D

16. A

Step-by-step explanation:

Mekhanik [1.2K]2 years ago

6 0

Answer:

I’m not sure about 11 or 12 but here is the rest

13. C, 14. B, 15. D, 16. A

Step-by-step explanation:

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The ratio of the measure of two supplementary angles is 15:21. What is the measure of the smallest angle?

anyanavicka [17]

Answer:

Step-by-step explanation:

The measure of two supplementary angles = 15:21

The angles are 15x , 21x

15x + 21x = 180 {Supplementary}

36x = 180

x = 180/36

x = 5

Smallest angle = 15 * 5 = 75

3 0

3 years ago

The mean number of daily surgeries at a local hospital is 6.2. Assume that surgeries are random, independent events. (a) The cou

Scilla [17]

Answer:

a) correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

b) probability for only 2 or less than 2 surgeries in a given day is 0.0536

Step-by-step explanation:

Given data:

mean number is given as 6.2

correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

we know that variance is given as $\sigma^2 = mean = 6.2$

hence, standard deviation is given as $\sqrt{6.2} = 2.48998$

thus standard deviation is 2.49

correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

b) probability for only 2 or less than 2 surgeries in a given day is

$P(X \leq 2) = P(X =0) + P(X =1) + P(X =2)$

$= \frac{e^{-6.2} 6.2^0}{0!} +\frac{e^{-6.2} 6.2^1}{1!} +\frac{e^{-6.2} 6.2^2}{2!}$

= 0.002029 + 0.012582+ 0.039006

= 0.053617

= 0.0536

7 0

2 years ago

What is if you do 3x10

scZoUnD [109]

Answer:

Step-by-step explanation:

10 x 3 = 30

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3 years ago

Find the volume of the square pyramid and round to the

Brrunno [24]

The answer is to multiply

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2 years ago

How long will it take a seal swimming at a speed of 8 mph to travel 52 miles?

Anna [14]

Answer:

6.5 hours

Step-by-step explanation:

52 divided by 6 = 6.5

6 0

3 years ago