Convert minutes to hours 13. 10 minutes 14 40 minutes 12. 15 minutes I

Mathematics

2 answers:

Pie3 years ago

8 0

13. 0.167
14. 0.667
15. 0.25

geniusboy [140]3 years ago

3 0

Answer:

13. 1/6 of an hour, or 0.166

14. 2/3 of an hour, or 0.666

12. 1/4 of an hour, or 0.25

Step-by-step explanation:

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Indicate whether the following question is a statistical question. Explain why or why not.

Dimas [21]

It’s a question because there is not value of time.

8 0

3 years ago

45% of the population of a city are men

leonid [27]

Answer:

$\boxed{\textsf{ The number of children is \textbf{24150}.}}$

Step-by-step explanation:

Given that the 45% of the population of a city are men and 15% are children . The number of women is 64,400 . And we need to find the number of children . Here ,

$\sf\implies Percentage_{(men)}= 45/% .\\\\\sf\implies Percentage_{(children)}= 15\% .$

So the percentage of women will be equal to [ 100 - ( 45 -15) ]% = [ 100 - 60 ]% = 40% .

So let us take the total number of people be x . So ,

$\purple{\bigstar}\underline{\underline{\boldsymbol{ According\ to \ Question :- }}}$

$\sf\implies 40\% \ of \ x \ = \ 64,400 \\\\\sf\implies \dfrac{40x}{100}= 64,400 \\\\\sf\implies x =\dfrac{64,400\times 100}{40}\\\\\sf\implies \boxed{\pink{\sf x = 161,000 }}$

$\rule{200}2$

The percentage of children = 15% :-

$\sf\implies Number_{(children)}= 15\% \ of 161,000\\\\\sf\implies Number_{(children)}= \dfrac{15}{100}\times 161,000 \\\\\sf\implies \boxed{\pink{\frak {Number_{(children)}= 24150 }}}$