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Ahat [919]
3 years ago
6

The volume of a cone-shaped funnel is 603 cubic centimeters. The radius of the funnel is 8 centimeters. Find the height of the f

unnel. Round your answer to the nearest whole number.
Mathematics
1 answer:
yarga [219]3 years ago
4 0

Answer: 9

Step-by-step explanation:

Volume of cone formula is: pi r^2 h/3

So pi x 8^2 h/3 = 603

H/3 = 2.9991

h = 9 (rounded)

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A circle has a radius of 5cm. find its area and circumference.
daser333 [38]

Answer:

A = 78.5

C = 31.4

Step-by-step explanation:

Circumference = 2πr

r = 5

C = 2(3.14)(5)

Circumference = 31.4

Area = \pi r^2

r = 5

A = (3.14)(5^2)=(3.14)(25)=78.5

5 0
2 years ago
Pls help with #14 and #15!!!Asap 15 points
inna [77]

Answer:

14. -g + 10, 15. 12k + 3

Step-by-step explanation:

I'm assuming you want to simplify the equation. For 14, we distribute -2. This gets us -2g + 10 + g. We can simplify that to -g + 10. We can't simplify that, so our answer is complete. For 15, we combine 8k and 4k to get 12k + 3. That can't be simplified, so we are done.

8 0
3 years ago
Ricky can ride 17 km on his bike in the same length of time ha can walk 9 km.if his riding speed is 4 kph faster than his walkin
aivan3 [116]
Distance=speed times time
if they take the same time, we cal the time , t

b=bike speed
w=walking speed

bikedistnace=17=bt
walkdistance=9=wt

b is 4 more than w
b=4+w

we have
17=bt
9=wt
b=4w

ok so
multiply first equation by 9 and 2nd by 17

153=9bt
153=17wt
set equal
9bt=17wt
divide both sides by t
9b=17w
sub b=4+w for b
9(4+w)=17w
distribute
36+9w=17w
minus 9w both sides
36=8w
divide both sides by 8
4.5=w

he walks 4.5kph
5 0
3 years ago
In the xy-plane, what is the y-intercept of the graph of the equation y = square root of 4-x
Tpy6a [65]
The answer is C your welcome Gn
8 0
3 years ago
Megan’s TV had a base price of $189 and the sales tax was 6.88%. Over the next four years, the TV consumed an average of $0.06 o
Leni [432]

Answer:

Step-by-step explanation:

price of tv and sales tax = 1.0688×$189 = $202.0032 ≅ $202.00

4 years = 3×365 days + 366 days = 1461 days

cost of electricity = 1461 days × $0.06/day = $87.66

lifetime cost = purchase price + electricity + repairs

= $202.00 + $87.66 + 2·$29

= $347.66

8 0
2 years ago
Read 2 more answers
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