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navik [9.2K]
3 years ago
13

A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the

given equation. Using this equation, find out the maximum amount of profit the company can make, to the nearest dollar. y=-13x^2+770x-6332
Mathematics
1 answer:
slamgirl [31]3 years ago
5 0

Answer:

The maximum profit is 5070 dollars

Step-by-step explanation:

The profit y is represented by a quadratic function.

The equation that we can use to find a maximum value of a quadratic function is:

Max_value = c - (b^2 / 4a)

Where a, b and c are the coefficients of the quadratic function (in our case: a = -13, b = 770, c = -6332)

So, using this equation, we have:

Max_value = -6332 - (770^2 / 4*(-13)) = -6332 - 592900/(-52)

Max_value = -6332 + 11401.92 = 5069.92

rounding to the nearest dollar, we have that the maximum profit is 5070 dollars.

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The Stomping Elephants volleyball team plays 30 matches in a week-long tournament. On average, they win 4 out of every 6 matches
8_murik_8 [283]

Answer:

The mean for the number of matches that they win in the tournament is 20.

Step-by-step explanation:

For each match, there are only two possible outcomes. Either they win, or they do not. The probability of winning a match is independent from other matches. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

The Stomping Elephants volleyball team plays 30 matches in a week-long tournament.

This means that n = 30

On average, they win 4 out of every 6 matches.

This means that p = \frac{4}{6} = \frac{2}{3}

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E(X) = np = 30\frac{2}{3} = 20

The mean for the number of matches that they win in the tournament is 20.

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3 years ago
Consider all three-digit numbers formed by using different digits from 0, 1, 2, 3 and 5. How many of these numbers are divisible
irga5000 [103]
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3 years ago
Please help ! Algebra
Simora [160]

Answer:

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Step-by-step explanation:

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Now put 3 in wherever you see an x

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Iteru [2.4K]

Answer:

4(20+b)≤-17

Step-by-step explanation:

I hope this helps!

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Answer:

I believe it would be likely.

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If it landed on the honey side up 8 out of 40x then that is only a 20% chance of the honey side facing up. I it would be more likely for the honey side to face down.

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