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3 years ago

Solve for k for the equation h+p=3(k-8)

Mathematics

2 answers:

astraxan [27]3 years ago

8 0

Answer:

h/3 + p/3 + 8 = k

Step-by-step explanation:

h+p=3(k-8)

h+p=3k-24

h+p+24=3k

h/3 + p/3 + 8 = k

notsponge [240]3 years ago

3 0

Answer

k=(h+p+24)/3

Step-by-step explanation:

h+p=3(k-8)

h+p=3k-24

h+p+24=3k

k=(h+p+24)/3

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Does the number 15/3 belong to the set of natural/counting numbers?

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2 years ago

Read 2 more answers

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% :-

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

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3 years ago

You make a scale drawing of a tree using the scale 5 in. = 27 ft. if the tree is 67.5 ft. tall, how tall is the scale drawing?

evablogger [386]

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3 years ago