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3 years ago

5

Sam cut a pie into equal slices period there are only three slices left period the angle measures for the slice is 72° period ho

w many sizes did Sam cut the pie into?

1 answer:

MissTica3 years ago

3 0

72 divided by 3 is 24 degrees, 360 degrees are in 1 full circle, a pie, 360 divided by 24 is 15, therefore, 15 pieces.

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4 years ago

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3 years ago

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nasty-shy [4]

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4 0

3 years ago

The following are the ages (years) of 5 people in a room:

slava [35]

Answer:

The age of the person who entered the room is 15

Step-by-step explanation:

We are given:

Ages of 5 people in a room are:

17, 16, 15, 17, 22

A person enters room, and then the mean age of 6 people is 17.

We need to find the age of person who entered the room.

The formula to calculate mean is: $Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}$

Now, in question we are given mean of 6 people that is 17

The age of 5 people are given while age of one person who enters the room is unknown.

Let age of person whose age is unknown= x

Now finding x using mean formula

$Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}\\17=\frac{17+16+ 15+ 17+ 22+x}{6}\\17=\frac{87+x}{6}\\17*6=87+x\\102=87+x\\x=102-87\\x=15$

So, The value of x: x=15

Hence, the age of the person who entered the room is 15

4 0

3 years ago