Find the average of 63 68 54 64 and 51 and explain the average

2 answers:

5 0

The average of a list of numbers is determined by adding all the numbers up, and then dividing by how many numbers there were (In other words, the sum of all the numbers divided by the amount of numbers).
63 + 68 + 64 + 54 + 51 = 300.
There are 5 numbers total.
300 (sum of all numbers)/5 (amount of numbers)
300/5 = 60.
Your average is 60.

VLD [36.1K]3 years ago

4 0

The average is 60
and the average yu take all the #s and add them and see what it = than / by how many #s there are!

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svetoff [14.1K]

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3 years ago

Find the ratio x:y:z if: X=4y and 2y = 3z

LiRa [457]

Answer:

x:y:z = 12:3:2

Step-by-step explanation:

x = 4y

2y = 3z ⇒ 4y = 6z

⇒ x = 4y = 6z

To find x:

Multiply the coefficients of y & z: 4 × 6 = 24

To find y:

Multiply the coefficients of x & z: 1 × 6 = 6

To find z:

Multiply the coefficients of x & y: 1 × 4 = 4

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2 years ago

Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in the simplest form 15,1

Tatiana [17]

Step-by-step explanation:

the sequence is arithmetic due to the common difference that is equal

d=11-15=7-11=-4

a(n) = a1 +(n-1)d

a1=15

Then :

a(n) = 15+(n-1)-4

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6 0

2 years ago

The last time Sierra played softball, she hit the ball 45% of the times she was at bat. Based on this information, how many time

Ymorist [56]

Answer:

Number of times she will hit the ball the next time she plays softball if she is at bat 20 times = 9 times

Step-by-step explanation:

Percentage of times Sierra hit the ball when she was at bat playing softball= 45%

So, we can find:

Number of times she will hit the ball the next time she plays softball if she is at bat 20 times = $\textrm{45\% of 20 times} =0.45\times 20=9\ times$