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Yanka [14]
3 years ago
15

Unit 8: Right Triangles & Trigonometry

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
Question what unit/ grade math is this?
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Hi! Can you help me on volume of cylinder??? I don't really understand it. Thanks!!! (BTW, I will give brainliest to correct ans
den301095 [7]

Answer:

100.48

Step-by-step explanation:

Volume of a cylinder: pi, r^2, h

3.14 • 2^2 • 8

3.14 • 4 • 8

3.14 • 32

100.48

Hope this helps!

5 0
3 years ago
Solve for x in the diagram.<br><br><br><br>       A. 25   B. 37   C. 15   D. 14
nirvana33 [79]
Use the Pythagorean theorem for this. (a^2+b^2=c^2)

a=9, b=12, c=x

9^2+12^2=c^2
81 + 144 = c^2
225 = c^2
c =15 

the answer is c



4 0
4 years ago
Read 2 more answers
My brother is 5 years older than I am. My sister is 3 years younger than I am.
grin007 [14]

Answer:

8 years older then your younger sister

7 0
3 years ago
Read 2 more answers
A farmer from Whidbey Island: A man claims his whalebone can detect water. You design an experiment using a set of 4 cans, 3 emp
tatyana61 [14]

Answer:

The value is E(x) =  1.25

Step-by-step explanation:

From the question we are told that

The number of cans is n = 4

The number of can that are empty is N = 3

The number of can filled with water is k = 1

The number number of sets of cans is w = 5

Generally probability of detecting the correct can is mathematically represented as

p  =  \frac{k}{n}

=> p  =  \frac{1}{4}

=> p  = 0.25

Generally probability of not detecting the correct can is mathematically represented as

q =  1- p

q =  1- 0.25

q = 0.75

Generally the number of cans expected of the farmer to correctly identify by chance is mathematically represented as

E(x) =  w  *  p

=> E(x) =  5  * 0.75

=> E(x) =  1.25

5 0
3 years ago
Two equations are given below:
stealth61 [152]

a is given to us so just plug a into the first equation:

b-3 - 3b =9

Add 3 to both sides:

b-3b=12

Combine like terms:

-2b=12

Divide by -2 to get b by itself:

b=-6

The only answer with b as -6 is the first one, (-9,-6)

8 0
3 years ago
Read 2 more answers
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