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Musya8 [376]
3 years ago
7

What is the mean? 19, 16, 24, 12, 16, 21, 18

Mathematics
2 answers:
attashe74 [19]3 years ago
6 0
I'm pretty sure it's 12.
ella [17]3 years ago
3 0
Hello,

To find the mean of a set of a numbers, you find the sum of all the numbers, and divide the sum by the number of values.

In this case, it would be:

(19+16+24+12+16+21+18)/7 = 126/7 = 18

Hope this helps!
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What is 7.26451 correct to 3 decimal places ?
Zina [86]

Answer:

7.625

Step-by-step explanation:

This would be written like this bc to 3 decimal places its 5.You then round 4 up to 5,because the third decimal place is higher than 4.

7 0
3 years ago
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Mr Cole has 30 students in his class. He has twice as many girls than boys. What is the ratio of girla to boys?
Elis [28]

Answer:

12:1/2(3)

Step-by-step explanation: no problem homie

8 0
3 years ago
Find all ratios that are equivalent to 4 : 6 and have a first term that is less than 40.
kherson [118]

Answer:

2: 3, 4: 6, 6: 9, 8: 12 , 10: 15, 12: 18, 14: 21, 16: 24, 18: 27, 20: 30, 22: 33, 24:36, 26: 39, 28: 42, 30: 45, 32: 48, 34: 51, 36: 54, 38: 57

Step-by-step explanation:

The ratio 4: 6 can be simplified to 2:3 by dividing by 2 to each side of the ratio. After simplified to 2:3, you add the ration to itself to get the rest of the terms.

7 0
3 years ago
Over the weekend koko spend a total of 16 hours working on school work she spent equal amounts of time working on 4 projects plu
MrMuchimi
Hours spent on project= p

4p+2=16 hours
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8 0
3 years ago
Some bikes and trikes are on the playground. There are 7 seats and 19 wheels. How many bikes are there? How many trikes are ther
snow_tiger [21]
Okay here we go!
1. I'm a visual person so i would start by drawing circles for the wheels. 
o o o o o o o o o o o o o o o o o o o 
2. I tried separating them by threes
ooo ooo ooo ooo ooo ooo o
2 By two's 
oo oo oo oo oo oo oo oo oo o
3. then i started to count 
ooo ooo ooo ooo ooo = 15 and i still had 4 left over 
oo oo = 4 and that would equal to 19 wheels!

the answer is: there are 5 trikes and 2 bicycles!!!!!
Hope that helped!
:) 

6 0
3 years ago
Read 2 more answers
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