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Oksana_A [137]
2 years ago
11

Find the missing side of the triangle. Side LaTeX: cc is the hypotenuse and sides LaTeX: aa and LaTeX: bb are legs. Leave your a

nswer in simplest radical form. LaTeX: a=2,\:b=4
Mathematics
1 answer:
mylen [45]2 years ago
6 0

Answer:

c = 2\sqrt{5

Step-by-step explanation:

Given

a = 2

b = 4

c = hypotenuse

Required

Find c

Using Pythagoras theorem, we have:

c^2 = a^2 + b^2

Substitute values for a and b

c^2 = 2^2 + 4^2

c^2 = 4 + 16

c^2 = 20

Take square roots of both sides:

c = \sqrt{20

Express 20 as 4 * 5

c = \sqrt{4 * 5

Split surd

c = \sqrt{4} * \sqrt{5

Take square root of 4

c = 2 * \sqrt{5

c = 2\sqrt{5

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I need y’all to tell me step by step and the answer please
AveGali [126]

Answer:

It will take her 10.5 hours to read the book

Step-by-step explanation:

She averages 16 pages every 30 minutes. If you take 336 and divide it by 16, you get 21 hours. But since she is reading 16 pages every half hour, that wouldn be correct. If it is asking how many hours it will take her to read the book, you have to take 16 and multiply it by 2. Then you get 32. Then, do the equation again. 336 divided by 32 is 10.5. So, if she reads the entire book in one go, it will take her 10 and a half hours to read the entire book, or 10.5.

8 0
2 years ago
Read 2 more answers
Suppose that the proportions of blood phenotypes in a particular population are as follows: A B AB O 0.48 0.13 0.03 0.36 Assumin
Serggg [28]

Answer:

P(O and O) =0.1296

P=0.3778

Step-by-step explanation:

Given that

blood phenotypes in a particular population

A=0.48

B=0.13

AB=0.03

O=0.36

As we know that when A and B both are independent that

P(A and B)= P(A) X P(B)

The probability that both phenotypes O are in independent:

P(O and O)= P(O) X P(O)

P(O and O)= 0.36 X 0.36 =0.1296

P(O and O) =0.1296

The probability that the phenotypes of two randomly selected individuals match:

Here  four case are possible

So

P=P(A and A)+P(B and B)+P(AB and AB)+P(O and O)

P=0.48 x 0.48 + 0.13 x 0.13 + 0.03 x 0.03 + 0.36 x 0.36

P=0.3778

7 0
3 years ago
This is hard lets see if you well be able to do it
erica [24]

Answer:

I did  the math  the answer is 90  

Step-by-step explanation:

if  you multiply 15 by 6 you get 90

8 0
2 years ago
PLEASE HELP ME!!! 10 points!
Brut [27]

Answer:

5/4

hope it helps u

3 0
2 years ago
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HELP ME WOTH THIS QUESTIONNN!!
bekas [8.4K]

Answer:

C

Step-by-step explanation:

For lines l and m and the transversal line that creates angles 6 and 18, angles 6 and 18 are corresponding angles of lines l and m. If they are congruent, lines l and m are parallel.

Answer: Choice C

8 0
2 years ago
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