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Ede4ka [16]
2 years ago
12

Calculate a three-day weighted moving average for the price of the stock for the end of Day 7 where the most recent price has a

weight of 3, the next has a weight of 2, and the oldest price has a weight of 1. Day 1 - 62.00; Day 2 - 56.00; Day 3 - 50.00; Day 4 - 60.00; Day 5 - 59.00; Day 6 - 55.00; Day 7 - 59.00; Day 8 - 63.00
Mathematics
1 answer:
postnew [5]2 years ago
4 0

The three-day weighted moving average for the price of the stock at the end of Day 7 is 57.17.

<h3>How do we calculate a weighted moving average?</h3>

Note that since this is for the end of Day 7, it implies that the actual Day 7 Stock Price is not yet known at the time of the calculation and we need to forecast it.

Therefore, the most recent price is Day 6 Sock Price and a three-day weighted moving average for this question can be calculated as follows:

Three-day weighted moving average = ((Day 6 Sock Price * 3) + (Day 5 Sock Price * 2) + (Day 4 Sock Price * 1)) / (3 + 2 + 1)

Three-day weighted moving average = ((55.00 * 3) + (59.00 * 2) + (60.00 * 1)) / (3 + 2 + 1)

Three-day weighted moving average = 57.17

Learn more about the weighted moving average here: brainly.com/question/19260285.

#SPJ1

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7(4x - 2) - 4(2x - 8)
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Answer:

20x + 18

Step-by-step explanation:

We need to use the distributive property, where we essentially take the sum of the product of the outside number with each of the inside terms.

In 7(4x - 2), 7 is the outside number and 4x and -2 are the inside numbers, so:

7(4x - 2) = 7 * 4x + 7 * (-2) = 28x - 14

In 4(2x - 8), 4 is the outside number and 2x and -8 are the inside numbers, so:

4(2x - 8) = 4 * 2x + 4 * (-8) = 8x - 32

Now, we have:

28x - 14 - (8x - 32) = 28x - 14 - 8x + 32 = 20x + 18

The answer is 20x + 18.

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This was very simple!

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