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WARRIOR [948]
3 years ago
5

Basic: surface area of a cone to nearest whole unit

Mathematics
1 answer:
Sedbober [7]3 years ago
3 0
If it helps you any \bf \textit{total surface area of a cone}\\\\
S=\pi r\sqrt{r^2+h^2}+\pi r^2\qquad 
\begin{cases}
r=radius\\
h=height
\end{cases}
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The area of the continent of north america is about 9,540,000 in expamded form using expontes to show powers of 10
Firdavs [7]
Koalagirl133 I think this is the answer I don't know if it is 9,540,000× 10 = 94, 500, 000
3 0
3 years ago
jack buys a pool with 400 gallons , and it take 8 hours to fill. How many gallons were poured per hour?​
IrinaK [193]

Answer:

50 gallons per hour

Step-by-step explanation:

400/8 = 50

4 0
3 years ago
Read 2 more answers
What is 2 times 5 minus 1
s344n2d4d5 [400]

what is 2 times 5 minus 1?

9

8 0
3 years ago
Gina, Sam, and Robby all rented movies from the same video store. They each rented some dramas, comedies, and documentaries. Gin
weqwewe [10]
Solve using equations:

Gina 11 = a+b+c
Sam 27 = 2a+3b+2c
Robby 19= a+2b+2c

Gina *2 give 22=2a+2b+2c (subtract this from Sam to give)
b=5

the subtract Robby from Gina *2 to give a=3



[Question 1]
let d = number of dramas Gina rented, c = # of comedies, and t = # of documentaries:

[equation a] d + c + t = 11
[equation b] 2d + 3c + 2t = 27
[equation c] d + 2c + 2t = 19

if we subtract [a] from [c] we get:
[equation d] c + t = 8

if we subtract [c]*2 from [b] we get:
[equation e] -c - 2t = -11 or
[equation e] c + 2t = 11

Now we can subtract [e] from [d] to solve for t:
t = 3

Now put in 3 for t in [d] or [e] to solve for c:
c + 2(3) = 11
c + 6 = 11
c = 5

So she rented 5 comedies and 3 documentaries which leaves 3 dramas (which is answer A)
6 0
3 years ago
Read 2 more answers
Of the 60 books on a bookshelf, 24 are nonfiction, 9 are realistic-fiction, 11 are reference, and the remaining books are fantas
luda_lava [24]

Answer:

16

Step-by-step explanation:

You would first add all the diffrent types of books all together.

24+9+11= 44

Next subtract that from the total number of books to get how many fantasy books you have.

60-44= 16

7 0
3 years ago
Read 2 more answers
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