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Vanyuwa [196]
3 years ago
8

Katherine earned 84, 92, 84, 75, and 70 on her first 5 tests.

Mathematics
1 answer:
pentagon [3]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Okay, so the best way to find is too plug in the answer choices.

to find the mean you: add all the numbers up and then, you divide it by however many numbers there are.

<em>minimum meaning exactly 84 no greater!</em>

<u>Start with letter choice A</u>

84+92+84+75+70+81=486

486/6=81 which is  below minimum

<u>Next is letter choice B</u>

84+92+84+75+70+84=489

84/6=81.5 which is below minimum

<u>Next is letter choice C</u>

84+92+84+75+70+95=500

500/6=83.3 which is below minimum

<u>Next is letter choice D</u>

84+92+84+75+70+99=504

504/6=84 which is the correct answer

pls mark me brainliest

<em />

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Answer:

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Step-by-step explanation:

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Holly is taking out a loan in the amount of $10,000. Her choices for the loan are a 4-year loan at 4% simple interest and a 6-ye
notsponge [240]

Answer:

The difference in the amount of interest she would have to pay for the two loans is $1,400

Step-by-step explanation:

The amount of loan Holly is taking out, P = $10,000

The choices available for the loan are;

1) Loan duration, T₁ = 4-year

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2) Loan duration, T₂ = 6-year

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For the first choice, we have;

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I_1 = \dfrac{P \times  R_1 \times T_1 }{100} = \dfrac{10,000 \times  4 \times 4 }{100} = \$ 1,600

For the second choice, we have;

The simple interest, I, given by the formula;

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The difference, D, in the amount of interest she would have to pay for the two loans is therefore;

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7 0
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(2.3×10^4)×(1.5×10^-2)
Wewaii [24]

Answer:

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Step-by-step explanation:

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