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andrezito [222]
3 years ago
9

15/2...7 if the three dots is one number what are all possibel numbers?

Mathematics
1 answer:
kvv77 [185]3 years ago
8 0
Add a photo. this is confusing
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An angry student murdered Tommy the Turtle near the northern fence of the park. Using yellow tape,Ranger Dave is marking off a r
pishuonlain [190]

Answer:

60ft

Step-by-step explanation:

Let's x, y be the width and length of the surrounding rectangle. Since the area is 450 sq feet, this means xy = 450 or y = 450/x

The perimeter of this rectangle is (since there are 3 sides only)

f(x,y) = 2x + y

This is something we need to minimize. We can start by substituting y = 450/x

f(x) = 2x + 450/x

Let's take the first derivative of this function and set it to 0

f'(x) = 2 - \frac{450}{x^2} = 0

2 = \frac{450}{x^2}

x^2 = 450 / 2 = 225

x = \sqrt{225} = 15ft

y = 450 / 15 = 30ft

so the minimum perimeter that needs taping over is

f(x,y) = 2x + y = 2*15 + 30 = 60ft

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3 years ago
The two lines represent the amount of water filling over time in two tanks of the same size.
dlinn [17]

Answer:

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Step-by-step explanation:

The slope of line A is larger and going up faster, that tells you tank A is filling up faster than Tank B

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2 years ago
Is the difference of square root of 18 and 3 a rational number
Ymorist [56]

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666

Step-by-step explanation:

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Here's a photo of the solution. Hope it helps and please give brainlist!

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