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zloy xaker [14]
3 years ago
10

Draining a half cylinder tank. A trough is shaped like a half cylinder with length 5 m and radius 1 m. the tank is full of water

when a valve is opened and water flows out of the bottom of the tank at a rate of 1.5m^3/hr . Hint: the area of a sector of a circle of radius r subtended by an angle theta is r^2/2 times theta.
a: How fast is the water level changing when the water level is 0.5 m from the bottom of the trough?
Mathematics
1 answer:
professor190 [17]3 years ago
8 0
<span>\sin(\theta/2) = \frac{OD}{OC}

read the attached file for more information</span>
Download pdf
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Pam spelled 68 of 100 words correctly on the pretest. How many words did she miss? If she learns 8 of those each day, how long w
Fofino [41]

Answer:

Pam missed 32 words in her pretest.

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Number of words spelled correctly = 68

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Number of words she missed can be calculated by subtracting Number of words spelled correctly from Total number of words on the pretest.

framing in equation form we get;

Number of words she missed = 100 -68 =32\ words

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Now Given:

Number of words missed learned each day = 8

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We need to find how long will take to learn them all.

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days required to learn missed words is equal to total number of words missed divided by Number of words missed learned each day.

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3 0
3 years ago
Eloise is investing in a retirement account. She plans on adding an additional $50 at the end of every year and the expected mon
Lisa [10]
The accumulated (future) value is given by the formula
F=P(1+i)^n
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n=number of periods (month)

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Here is a schedule of the values,
i=month
F(i) = value at the end of month i.

  i   F(i)
 0  1000.0 
 1  1002.5 
 2  1005.01
 3  1007.52
 4  1010.04
 5  1012.56
 6  1015.09
 7  1017.63
 8  1020.18
 9  1022.73
10 1025.28
11 1027.85
12 1030.42 + $50 deposit = 1050.42
All values are rounded to the nearest cent.
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