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3 years ago

9

A donut shop made 32 chocolate donuts one morning. The chocolate donuts were 40% of the total number of donuts made that morning

. How many donuts were made, in all

1 answer:

Bumek [7]3 years ago

6 0

Answer:80

Step-by-step explanation:

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Which ordered pair is a solution of the equation?<br> -4r +7= 2y - 3

Mars2501 [29]

Answer:

y=-8, r= 2. this is your answer

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4 years ago

4x-3y=30<br> 3x+2y=22<br> (6,-2)

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In place of x you keep 6 and in place of y you keep -2

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3 years ago

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find an nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing utili

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Since 4i is a root, that automatically means -4i is also a root (complex roots always travel in pairs) So the factored form would look like <span>(x+4i)(x−4i).</span> When multiplied out this gives the polynomial <span><span>x2</span>+<span>16.</span></span>

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3 years ago

The function C(x)=−20x+1681 represents the cost to produce x items. What is the least number of items that can be produced so th

Reptile [31]

Answer:

<em>The least number of items to produce is 41</em>

Step-by-step explanation:

<u>Average Cost</u>

Given C(x) as the cost function to produce x items. The average cost is:

$\displaystyle \bar C(X)=\frac{C(x)}{x}$

The cost function is:

$C(x) = -20x+1681$

And the average cost function is:

$\displaystyle \bar C(X)=\frac{-20x+1681}{x}$

We are required to find the least number of items that can be produced so the average cost is less or equal to $21.

We set the inequality:

$\displaystyle \frac{-20x+1681}{x}\le 21$

Multiplying by x:

$-20x+1681 \le 21x$

Note we multiplied by x and did not flip the inequality sign because its value cannot be negative.

Adding 20x:

$1681 \le 21x+20x$

$1681 \le 41x$

Swapping sides and changing the sign:

$41x \ge 1681$

Dividing by 41:

$x\ge 41$

The least number of items to produce is 41

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3 years ago

How many of the scores from the group that studied in question eight are in one mean absolute deviation of the mean? Which score

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Answer:

93

Step-by-step explanation:

<u><em>Add all of the numbers and divide them by the number of numbers there are.

</em></u><em>Hope this helped ·ω·</em>

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3 years ago