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Zigmanuir [339]
3 years ago
9

Dontrelle received 30% off when he purchased a rare book

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
6 0

Answer:

28.85

Step-by-step explanation:

30% 30% of $96.50 is $28.95

Ganezh [65]3 years ago
4 0

Answer:

$67.55

Step-by-step explanation:

30% off that was 28.95 so you subtract

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Simplify. 14+4(12−34)2 Enter your answer in the box.
Komok [63]
14 + 8(12-34)

14 + 8(-22)
14 - 176

- 162 is your answer

hope this helps
5 0
2 years ago
Read 2 more answers
Allie and Sam are ophthalmologists. Allie found that 40% of the 170 patients she saw in a week were near sighted. Sam found that
Hatshy [7]

Answer:

Allie: 68  Sam: 59

Step-by-step explanation:

You take 40% from 68 and 25% from 236 and boom.

3 0
2 years ago
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The number of milligrams of a certain medicine a veterinarian gives to a dog varies directly with the weight of the dog. If the
Andre45 [30]

Answer:

Step-by-step explanation:

A direct variation equation is of the form

y = kx,

where, in words, it reads "y varies directly with x" or "y varies directly as x". In order to use this as a model, we have to have enough information to solve for k, the constant of variation. The constant of variation is kind of like the slope in a straight line. It rises or falls at a steady level; it is the rate of change.

We have that a vet gives a dose of three-fifths mg to a 30 pound dog. If the dose varies directly with the weight of the dog, then our equation is

d = kw and we need to find k in order to have the model for dosing the animals.

\frac{3}{5} =k(30)

Divide both sides by 1/30 to get k alone.

(\frac{1}{30})(\frac{3}{5})=k and

k=\frac{1}{50}

Our model then is

d=\frac{1}{50}w

This means that for every pound of weight, the dog will get one-fiftieth of a mg of medicine.

7 0
3 years ago
Read 2 more answers
A drama class has a total of
Alecsey [184]
42-14= 28
28÷2=14
answer: there are 14 females in the class and 28 males in the class

Check:14+28=42
5 0
3 years ago
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Starla and Lewis start saving money every month. Starla has an initial balance of $100, and she deposits $15 every month in her
seraphim [82]

Answer:

D. Starla and Lewis will have the same balance in their accounts after 7 months.

5 0
2 years ago
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