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3 years ago

Here are the ingredients needed to make 8 pancakes.

Mathematics

2 answers:

a_sh-v [17]3 years ago

8 0

Answer:

A- 6.4 grams of Butter (Fraction: 6 and 2/5)

B- 19.2 grams of Butter (Fraction: 19 and 1/5)

Step-by-step explanation:

First you have to divide 5 by 8 to see how much butter is used for each pancake and then multiply the quotient of that by 4 and that would get you the answer to Part A. For Part B you use the quotient that you got for 8 divided by 5 and multiply it by 12 to get Part B.

elena-s [515]3 years ago

8 0

Answer:

simon needs 125 ml of milk for 4 pancakes.

craig needs 7.5 grams of butter to make 12 pancakes.

Step-by-step explanation:

you take 250 ml of milk and divide that by 8. which then tells you how much milk you need per pancake. which is 31.25 ml. you multiply that number by 4 and then you get 125 ml of milk for 4 pancakes.

you take 5 grams of butter and divide it by 8 pancakes and you get 625 milligrams. 625 milligrams is how much you need for each pancake. so you do 625 milligrams times 12 and you get 7.5 grams of butter. :) your welcome

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Answer:

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We can divide both sides by 20 and we got:

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Now we can appply natural log on both sides and we got:

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Step-by-step explanation:

We have the following two expression:

$p_1 = 20 e^{kt}$

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We know that the two populations were equal 10 years after the start of the study, so then we can create the following equation:

$20 e^{k*10} = 60 e^{0.2*10}$

We can divide both sides by 20 and we got:

$e^{10k}= 3 e^{2}$

Now we can appply natural log on both sides and we got:

$10 k = ln(3e^2)$

Now we can divide both sides of the equation by 10 and we got:

$k = \frac{ln(3e^2)}{10}= 0.30986$

So then the aproximate value of k is 0.30986 and rounded would be 0.31

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