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KengaRu [80]
3 years ago
15

The volume of the cylinder is 692.72 cubic feet. What is the length of the height and the diameter if the radius is 5.25 feet

Mathematics
1 answer:
Anna007 [38]3 years ago
5 0
The diameter is 10.5
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Each notebook would be 68 cents because if you divide 15.85 into 3 you will get 2 cents then you add 1.23 then subtract .75
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Jillian is using integer tiles to add 7 + (negative 2). She uses the steps below.Step 17 positive tiles.Step 27 positive tiles a
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2 years ago
Marco purchased a large box of comic books for $300. He gave 15 of the comic books to his brother and then sold the rest on an i
Yuri [45]

Answer: There are 75 books.

Price of each book = $4.

Step-by-step explanation:

Let x = Number of books in the box.

Then as per given,

Cost of x books = $300

Cost of one book = \$(\dfrac{300}x)

Books left after giving 15 of them = x-15

Selling price of (x-15) books=  $330

Selling price of one book = \$(\dfrac{330}{x-15})

Profit on each book= $1.50

Profit = selling price - cost price

\Rightarrow 1.50=\dfrac{330}{x-15}-\dfrac{300}{x}\\\\\Rightarrow\ 1.50=\dfrac{330(x)-300(x-15)}{x(x-15)}\\\\\Rightarrow\ 1.50=\dfrac{330x-300x+4500}{x^2-15x}\\\\\Rightarrow\ 1.50(x^2-15x)=30x+4500\\\\\Rightarrow\ 1.50x^2-22.5x=30x+4500\\\\\Rightarrow\ 1.50x^2-52.5x-4500=0\\\\\Rightarrow\ 1.50x^2-52.5x-4500=0\\\\\Rightarrow\ x^2-25x-3000=0\ \ [\text{divide by 1.5}]

\Rightarrow (x+40)(x-75)=0\\\\\Rightarrow\ x=-40,75

Number of books cannot be negative.

So, there are 75 books.

Price of each book = \dfrac{300}{75}=\$4

So price of each book = $4.

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3 years ago
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3 years ago
A line passes through the point (6, - 9) and has a slope of 4/3 Write an equation in slope-Intercept form for this line.
Nostrana [21]

Answer:

4x-3y-51=0

Step-by-step explanation:

y-y_{1} =m(x-x_{1})

y-(-9) = \frac{4}{3}(x-6)

3y+27=4x-24

4x-3y-51=0

5 0
2 years ago
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