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3 years ago

2. A large appliance company estimates that the variance of the life of its appliances is 3.

Mathematics

2 answers:

Firlakuza [10]3 years ago

7 0

Answer:

if their are choices you should list them. The givens are pretty specific though.

W = E * I is the answer

E (voltage) = W/I is a more refined answer. <<< answe

Step-by-step explanation:

CaHeK987 [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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The savings account offering which of these APRs and compounding periods

Ann [662]

Answer:

The answer is "Option C"

Step-by-step explanation:

The using formula $= (1+\frac{r}{n})^n -1$

→r = rate

→ n = compounded value

In choice a:

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In choice b:

When compounded is quarterly $4.0792\%$

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In choice c:

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In choice d:

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3 years ago

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21/ 21 What is the equivalent decimal?

Leokris [45]

Answer:

Step-by-step explanation:

21/21 is whole and the a whole as a whole number is equivalent to 1.

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3 years ago

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Suppose that y varies directly with x<br> and y = 10 when x = 20. What is y<br> when x = 15?

tresset_1 [31]

Answer: y = 7.5

Step-by-step explanation:

Suppose that y varies directly with x

That is, y∝x

Convert y∝x to a full equation by introducing a constant k to the right hand side.

Therefore, y = kx

Given that y = 10 and x = 20

Substitute y and x in the equation above. We have;

10 = k(20)

10 = 20k

20k = 10

k = 10/20

k = 0.5

Since k = 0.5, the equation y = kx becomes y = 0.5x

Now, to find y if x = 15, substitute x in equation y = 0.5x

Therefore, y = 0.5(15)

y = 7.5

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Answer:

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Step-by-step explanation:

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