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igomit [66]
3 years ago
11

Find the mean: 60, 67, 71, 76, 80

Mathematics
1 answer:
sineoko [7]3 years ago
6 0

Answer:

The mean is 70.8.

Step-by-step explanation:

Finding the arithmetic mean, or average, can be found by adding up all the numbers divided by the total count of those numbers.

So, we have :: 60, 67, 71, 76, 80.

These numbers added together = 354.

There are 5 numbers listed.

354 / 5 = 70.8.

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50r − 6 = 82r − 70.<br> a. r=64<br> b. r= -64<br> c.r=2<br> d.r=-2
lisabon 2012 [21]

Answer:

c

Step-by-step explanation:

Hope this helps.

3 0
3 years ago
5. During the season, the Rangers played 25 games. They won 14 of the games.
sertanlavr [38]
Answer is 11/25 games lost which is 44%.

Step by step. 25 games minus 14 they won equals 11 games lost out of 25.

11 out of 25 = 11/25.

11/25 as a % - 11 divided by 25 = .44 which is 44%.

Check your work, 44% of 25 games = 11 games lost.
Problem solved.
6 0
2 years ago
Davey built a bookshelf 36 in. long. Can the shelf hold a set of encyclopedias if there are 24 books and each book averages 5/4
grin007 [14]
Yes, the 36" shelf can hold all 24 books.  As 5/4=1.25" meaning, you take 1.25X24=30".  So 24 books only take up 30 inches of a 36 inch shelf.

5 0
3 years ago
155 students are going on a field trip. Each bus can carry 42 students. If every bus except the last one carry's as many student
kotykmax [81]
3 buses x 42 = 126... So the final bus will carry 155-126=29 students.... Mental Math.
3 0
3 years ago
Read 2 more answers
x + 3y = 7 x - 3y = 1 Solve the system of equations. A) x = 4, y = 1 B) x = 1, y = 4 C) x = - 2 3 , y = 3 D) x = 3, y = - 2 3
Alik [6]
X+3y=7
x-3y=1
add them together

x+3y=7
<u>x-3y=1 +
</u>2x+0y=8

2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1

x=4
y=1

answer is A
<u />
6 0
3 years ago
Read 2 more answers
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