Hummingbirds have unusually large hearts for their size. If a person's heart were as big as a hummingbird's, his or her heart would weigh as much as a large dog.
Information: An average hummingbird weighs 0.3524 ounces and has a heart that weighs 0.00875
ounces. One pound = 16 ounces. The average weight of a large dog is usually more than 80 lbs.
Questions: Leo weighs 192 lbs.
(a) How much would Leo's heart weigh if it were in the same ratio as the hummingbird's? Show your
work.
(b) Is the original claim true or false? Justify your reasoning.

594 square inches

step-by-step explanation:

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the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

step-by-step explanation:

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step-by-step explanation:

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