59: 31
a veterinarian knows that a 50 pound dog gets 0.5 milligram of a certain medicine, and...
Mathematics, 16.01.2020 21:31 bay62
59: 31
a veterinarian knows that a 50 pound dog gets 0.5 milligram of a certain medicine, and that the number of milligrams, m.
varies directly with the weight of the dog. w. the vet uses these steps to find the amount of medicine to give a 10-pound dog
step 1
find the constant of variation.
k - 50
-0.01
step 2
step 3
write the direct variation equation.
m-0.01w
substitute 10 into the equation to find the dosage for a 10-
pound dog.
10 -0.01w
solve for w.
step 4
10 - 001w
w - 1000
the 10-pound dog needs 1000 milligrams.
in which step did the veterinarian make the first error?
Answers: 2
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