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2 years ago

14

Please help me with this! I do need it soon though, before tomorrow. I will give brainliest! also, is the graph i made correct?

please let me know if i need to do it different!

2 answers:

KiRa [710]2 years ago

6 0

I like to use Desmos Graphing Calculator. The attachment is what I get when I plug the inequalities in.

Tpy6a [65]2 years ago

3 0

The part shaded mix blue and red is the solution

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What is the y-intercept of the line given by the equation below?

Zepler [3.9K]

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3 years ago

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maria [59]

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The Demand function for a product is given by:

VikaD [51]

Answer:

The average rate of change of Demand between 40 and 175 units sold is of -0.1045.

Step-by-step explanation:

Average rate of change:

The average rate of a function f(x) in an interval [a,b] is given by:

$A = \frac{f(b) - f(a)}{b - a}$

In this question:

$D(q) = -0.0003q^2 - 0.04q + 23.56$

What is the average rate of change of Demand between 40 and 175 units sold?

$a = 40, b = 175$ . So

$D(40) = -0.0003*40^2 - 0.04*40 + 23.56 = 21.48$

$D(175) = -0.0003*175^2 - 0.04*175 + 23.56 = 7.3725$

So

$A = \frac{f(b) - f(a)}{b - a} = \frac{7.3725 - 21.48}{175 - 40} = -0.1045$

The average rate of change of Demand between 40 and 175 units sold is of -0.1045.

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3 years ago

A department store sells small boxes in which customers can store potpourri. The diagram below shows one of the boxes. The diagr

larisa86 [58]

The lateral area is expressed as the product of the perimeter of the base and the height. While the surface area is the sum of all areas. The lateral area and the surface area of the box is calculated as follows:

LA = Ph
P = 2l + 2w = (2 x 17) + (2 x 5) = 44 cm
LA = 44 cm x 3.12 cm = 137.28 cm

SA = 2(lw + wh + lh)
SA = 2[(17x5) + (5x3.12) + (17x3.12)]
SA = 307.28 cm

Thus, the lateral area and the surface area are 137 cm and 307 cm, respectively.

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3 years ago

Please help I dont get it<br> x - 3 1/2 = 8.5

Vlad1618 [11]

Answer:

12

Step-by-step explanation:

x - $3\frac{1}{2}$ = 8.5

x - $\frac{7}{2}$ = 8.5 Convert the mixed fraction to a imroper fraction.

x - 3.5 = 8.5 Convert the improper fraction to a decimal number.

x = 12 Add 3.5 to both sides.

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3 years ago