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gayaneshka [121]
2 years ago
8

A metronome is a device that ticks at adjustable intervals to help keep time when playing music. The metronome on Ryan’s piano h

as the basic shape below.
A square pyramid. The base is 9 centimeters by 9 centimeters. The triangular sides have a base of 9 centimeters and height of 20.5 centimeters. The pyramid has a height of 20 centimeters.

If the metronome was created out of a piece of solid wood, what is the minimum amount of solid wood that was used?
Mathematics
1 answer:
krek1111 [17]2 years ago
7 0

Answer:

540cm^{3}

Step-by-step explanation:

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If 2x + 3y = 15 and xy = 6, find 4x2 + 9y2<br>Need a quick help for my homework please help.<br>​
Svetllana [295]

Answer:

2 (4x+9y)

Step-by-step explanation:

Simplified:

8x+18y

6 0
3 years ago
Please help me with this question.
Musya8 [376]
Your answer is 150.72.

First, plug in the radius and height into the equation. V=1/3pi*4^2*9
Next solve. 3.14 x 16 x 9 = 452.16
Then you need to divide 452.16 by 3 to get 150.72
7 0
3 years ago
Read 2 more answers
The best player on a basketball team makes 80​% of all free throws. The​ second-best player makes 75​% of all free throws. The​
Artist 52 [7]

Answer:

Expected number of free throws in 60 attempts:

        Best player = 48

        2nd best player = 45

        3rd best player = 42

Step-by-step explanation:

Solution:-

- The probability that best player makes free throw, p1 = 0.8

- The probability that second-best player makes free throw, p2 = 0.75

- The probability that third-best player makes free throw, p3 = 0.70

- Total number of attempts made in free throws, n = 60.

- The estimated number of free throws that any player makes is defined by:

                      E ( Xi ) = n*pi

Where,           Xi = Player rank

                      pi = Player rank probability

- Expected value for best player making the free throws would be:

                    E (X1) = n*p1

                              = 60*0.8

                              = 48 free throws

- Expected value for second-best player making the free throws would be:

                    E (X2) = n*p2

                              = 60*0.75

                              = 45 free throws

- Expected value for third-best player making the free throws would be:

                    E (X3) = n*p3

                              = 60*0.70

                              = 42 free throws

8 0
3 years ago
4/7m = 2/7( 2m+1 )<br> What is M?<br> Check Solution
aev [14]
4/7m = 2/7(2m + 1)
4/7m = 4/7m + 2/7
4/7m - 4/7m = 2/7
0 = 2/7 (incorrect)

no solution
5 0
3 years ago
Read 2 more answers
Hannah is 3 years older than twice her brother Joey’s age. Joey is 2 years old. How old is Hannah? Show all of your work!
DaniilM [7]

Answer:

7

Step-by-step explanation:

twice for joey's age so joeys age is 2 double that it will be 4 so 3+4=7

5 0
3 years ago
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