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12345 [234]
3 years ago
7

Find the volume of the cone below.

Mathematics
1 answer:
jeka57 [31]3 years ago
5 0

Answer:

V =\frac{1}{3} \pi r^2 h

For this case we know that the radius is r=7cm and the height is h =11cm. And replacing we got:

V=\frac{1}{3} \pi (7cm)^2 (11cm)= \frac{1}{3} \pi (49cm^2) (11 cm)=\frac{539}{3} \pi cm^3

And the best option would be:

V = \frac{539}{3} \pi cm^3

Step-by-step explanation:

For this case we know that the volume of the cone is given by:

V =\frac{1}{3} \pi r^2 h

For this case we know that the radius is r=7cm and the height is h =11cm. And replacing we got:

V=\frac{1}{3} \pi (7cm)^2 (11cm)= \frac{1}{3} \pi (49cm^2) (11 cm)=\frac{539}{3} \pi cm^3

And the best option would be:

V = \frac{539}{3} \pi cm^3

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You decide to take advantage of the current online dating craze and start your own Web site. You know that you have 600 people w
Gnoma [55]

Answer:

1350

Step-by-step explanation:

Given:

Initial number of members = 600

Now,

Expected members = Initial members × ( 1 + r )ⁿ

by geometric progression

here,

r is the growth rate

n is the number of years

thus,

Number of members that expect at the end of 2 year

Expected members = Initial members × ( 1 + r )ⁿ

r = 25%

n = 2 years

Expected members = 600 × ( 1 + 0.25 )²

= 937.5

similarly,

Numbers of members that expect at the end of 3 year

Expected members = Initial members × ( 1 + r )ⁿ

r = 22%

n = 1 years    (i.e after the end of 2 year)

Initial members = 937.5  (i.e after the end of 2 years is the initial for the starting of third year )

Expected members = 937.5 × ( 1 + 0.22 )¹

= 1143.75

Numbers of members that expect at the end of 4 year

Expected members = Initial members × ( 1 + r )ⁿ

r = 18%

n = 1 years    (i.e after the end of 3 year)

Initial members = 1143.75  (i.e after the end of 3 years is the initial for the starting of fourth year )

Expected members = 1143.75 × ( 1 + 0.18 )¹

= 1349.625

Hence,

Total expected people = 1349.625 ≈ 1350

3 0
3 years ago
The area of a rectangle room is 750 square feet. The width of the room is 5 feet less than the length of the room. Which equatio
olga_2 [115]
By definition, the area of a rectangle is given by:
 A = (width) * (long)
 Substituting values we have:
 750 = (y-5) * (y)
 Rewriting we have:
 750 = y ^ 2 - 5y
 y ^ 2 - 5y - 750 = 0
 Answer:
 
An equation that can be used to solve for And the length of the room is:
 
y ^ 2 - 5y - 750 = 0
5 0
3 years ago
A farmer has 220 bushels of wheat to sell it has roadside stand he sells an average of 14 and three-quarter bushels each day rep
REY [17]

Answer:

Total change in Sales of Bushels =116\frac{3}{4}

Step-by-step explanation:

Total Bushels of Wheat= 220

Average Sale= 14*\frac{3}{4} per day

Average Sale per week =7*14.75 =103.25

Total change in Sales of Bushels = Total Bushels of Wheat - Average Sales per week

Total change in Sales of Bushels= 220- 103.25 = 116*\frac{3}{4}

8 0
3 years ago
What is in the least common denominator of (y+4)(y-5)(y-5)
san4es73 [151]

Answer:

20

Step-by-step explanation:

4:4,8,12,16,20

5,5,10,15,20

20 is the frist number u come to when multiplying by your 4s and 5s

4 0
3 years ago
Read 2 more answers
The environment club has saved 200 pounds of cans and promises to collect 20 pounds of cans each week and will use the profits t
anzhelika [568]

Answer:

20

Step-by-step explanation:

Since they are collecting 20 pounds of cans each week, the slope is 20/1, or 20.

Hope this helps!

5 0
3 years ago
Read 2 more answers
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