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chubhunter [2.5K]
2 years ago
6

What is the volume of a cone with a diameter of 30 feet and a height of 60 feet? Use 3.14 for π.

Mathematics
1 answer:
AysviL [449]2 years ago
3 0

Answer:

14130 ft^3

Step-by-step explanation:

The formula for the volume of a cone of radius r and height h is

V = (1/3)*pi*r^2*h.

Here, V = (1/3)(3.14)(15 ft)^2*(60 ft) = 20*3.14*225 ft^3 = 14130 ft^3


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Find the center-radius form of the equation of the circle described.
Kitty [74]

Answer:

Correct answer:  (x-√2)² + (y-√5)² = 3

Step-by-step explanation:

Given data: Center (x,y) = (√2,√5) and r = √3

The canonical or cartesian form of the equation of the circle is:

( x-p )² + ( y-q )² = r²  

Where p is the x coordinate of the center, q is the y coordinate of the center and r is the radius of the circle.

God is with you!!!

8 0
3 years ago
Help please, I'm desperate!
Luden [163]
B. 2.8
Because, 4-1.2=2.8
8 0
3 years ago
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At an annual salary of $55,000 per year, what is the amount of semimonthly paychecks?
Amiraneli [1.4K]
Semi monthly means 2 times per month
assume that pay is at beginning and middle of month (doesn't matter, but  makes it easier for me)

so 12 months
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4 0
3 years ago
Solve this system of linear equations.separate the x- and y-value with a comma. -6x=-4-y -7x=-22+y.
scZoUnD [109]

Answer:

(2,8)

Step-by-step explanation:

Add them together to get rid of the y.

-6x = -4 - y

-7x = -22 + y

=

-13x = -26

Then solve for x.

-13x/-13 = -26/-13

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Now plug in the x value into either equation and solve for y.

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-14 + 22 = -22 + 22 + y

8 = y

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x = 2

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8 0
3 years ago
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What are the explicit equation and domain for a geometric sequence with a first term of 4 and a second term of −12? an = 4(−3)n
nadya68 [22]
The geometric sequence is given by:
an=ar^(n-1)
where:
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hence the formula for this case will be:
an=4(-3)^(n-1)
where n≥1

5 0
2 years ago
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