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3 years ago

5

Ms. Purdy bought coffee and orange juice for her coworkers in her office.She bought X cups of coffee at $2 per cup and Y cups of

orange juice at $1.50 per cup. Altogether she spent $30. Interpret the X- and the Y- Intercepts

1 answer:

Karolina [17]3 years ago

7 0

The X-intercept is 15.
The Y-intercept is 20.

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I need the correct answer please

nikdorinn [45]

So first step is to simplify everything outside of the radicals.
6*2=12
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12*\| 8 * \| 2
Now we know that
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And
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\| 2 * \| 2 = 2

And
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So if we incorporate what we know into the equation, we can figure it out.
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12*\| 4 * \| 2 * \| 2

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12*2*2
Which equals 48.
Answer:48

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WHAT IS TRUE ABOUT THE HEIGHT OF THE RECTANGLE

scZoUnD [109]

Answer:

It is totaly based on the diagram

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2 years ago

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She will pay an extra?

swat32

She will pay $30.80

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3 years ago

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I built a storage shed in the shape of a rectangular box on a square base. The material that I used for the base cost $4 per squ

kumpel [21]

Answer:

side of 6.124 ft and height of 3.674 ft

Step-by-step explanation:

Let's s be the side of the square base and h be the height of the rectangular box.

The base and the roof would have an area of $s^2$ and cost of

$4s^2 + 2s^2 = 6s^2$

The sides would have an area of 4sh and cost of 4sh*2.5 = 10sh

So the total cost for the material is

$6s^2 + 10sh = 450$

$10sh = 450 - 6s^2$

$h = 45/s - 0.6s$

The volume of the shed has the following formula

$V = s^2h = s^2(45/s - 0.6s) = 45s - 0.6s^3$

To find the maximum value for V, we can take its first derivative, and set it to 0

$\frac{dV}{ds} = 45 - 1.2s^2 = 0$

$1.2s^2 = 45$

$s^2 = 45 / 1.2 = 37.5$

$s = \sqrt{37.5} = 6.124 ft$

h = 45/s - 0.6s = 3.674 ft

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4 years ago