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jonny [76]
3 years ago
15

Find the perimeter of this figure. Please show work. ​

Mathematics
1 answer:
Elena-2011 [213]3 years ago
7 0

Answer:

  40.56 ft

Step-by-step explanation:

The perimeter is the sum of the lengths of the "sides" of this figure. Starting from the left side and working clockwise, the sum is ...

  P = left side (8 ft) + top side (10 ft) + semicircle (1/2×8 ft×π) + bottom side (10 ft)

  = 28 ft + 4π ft

  = (28 +12.56) ft

  P = 40.56 ft

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A farmer has a water tank for cows in the shape of a cylinder with a radius of 7 ft and a height of 3 ft. The tank comes equippe
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Answer:

volume of the tank be when the sensor turns on = 92.316 ft³

Step-by-step explanation:

Volume of a cylinder = πr²h

Pi = π = 3.14

Radius = r = 7 ft

Height = h = 3 ft

Volume of a cylinder = πr²h

= 3.14 × 7² × 3

= 3.14 × 49 × 3

= 461.58 ft³

The tank comes equipped with a sensor to alert the farmer to fill it up when the water falls to 20% capacity.

volume of the tank be when the sensor turns on = 20% of Volume of a cylinder

= 0.20 * 461.58 ft³

= 92.316 ft³

volume of the tank be when the sensor turns on = 92.316 ft³

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3 years ago
Need help with this math question (pic included)
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Answer:

8

Step-by-step explanation:

If the only zero for this function is at x = - 4 it looks like this:

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2 years ago
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Two non-simultaneous events have an equal likelihood of occurring (50%). If the events are independent of each other, what is th
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Olivia family drove to Disney land For spring break. Her mom and dad shared the driving duties for a total of 14 hours. her mom
Troyanec [42]

For this case we propose a system of equations:

x: Variable that represents the amount of hours that Olivia's mother drove

y: Variable that represents the amount of hours that Olivia's father drove

So, we have:

x + y = 14\\65x + 60y = 895

From the first equation we have:

x = 14-y

Substituting in the second equation:

65 (14-y) + 60y = 895\\910-65y + 60y = 895\\-5y = 895-910\\-5y = -15\\y = \frac {15} {5}\\y = 3

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x = 14-3 = 11

Olivia's mother drove 11 hours.

Answer:

(x, y) :( 11,3)

5 0
3 years ago
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