The pie chart drawn below shows below the spendings of a country on various sports during a particular year. Study the pie chart and answer the questions.
a) if the total amount spent on sports during the year was 90000 what was the amounts spent on basketball
b) the ratio of the total number spent on football to the spent on hockey is
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Answer:
- 90000*12.5/100=11250
- 15%/15%=1:1
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2
Answer:
About the Quadratic Formula
Plus/Minus
First of all what is that plus/minus thing that looks like ± ?
The ± means there are TWO answers:
x = −b + √(b2 − 4ac)2a
x = −b − √(b2 − 4ac)2a
Here is an example with two answers:
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