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padilas [110]
3 years ago
13

How do I do this problem???

Mathematics
1 answer:
Andreas93 [3]3 years ago
4 0
A. there are 72 right-handed batters. this is what you do:
5:8
45:?
45/5=9
8*9=72 so
45:72 
b. there are 45 left-handed batters
the total batters is 45+72=117
so the ratio of left-handed to the total batter would be 45:117
hope this helps :)

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Interpret the coefficient of variation according to the context, determining the most homogeneous set
lord [1]

Answer:

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Step-by-step explanation:

As per coefficient of variation, which is around 5% for the year 2009 and around 20% for the year 2010 we can state that the data set for the year 2009 is most homogeneous

Homogeneous means similar, it can be observed on the graph as well that the data for the year 2009 is less variant

Hope it answers your question.

4 0
3 years ago
You and your friends order a meal for $63.64. Calculate the amount you should leave for a 20% tip. Show you
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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A family spends 1/10 of its annual income for housing, 1/4 for food and clothes, 1/5 for general expenses, and 2/15 for entertai
AlexFokin [52]
Add all the fractions together:
to do this find the lcd:
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6 0
3 years ago
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2/5x+10=30<br> a- x=100<br> b-x=12<br> c-x=50<br> d-x=16
Sever21 [200]

Answer:

x=50

Step-by-step explanation:

x in (-oo:+oo)

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2/5*x = 20 // : 2/5

x = 20/2/5

x = 50

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3 0
3 years ago
Read 2 more answers
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