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ra1l [238]
3 years ago
13

I have 10 minutes please help

Mathematics
1 answer:
daser333 [38]3 years ago
7 0

Answer:A,B,C is your answer hope this helped

plz make brainly

Step-by-step explanation:

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An Indian tepee is a conical tent. Find the number of cubic feet of air in a teepee 10 ft. in diameter and 12 ft. high.
vampirchik [111]
Surface Area of a cone is 

<span>pi * r * s + pi * r^2 </span>

<span>s is the side length, since you have 10 ft diameter, you know radius is 5. And since height is 12. With this, you have a 5-12-13 triangle, and s=13. </span>

<span>so </span>

<span>pi * 5 * 14 + pi * 5^2 = 95 pi or 298.3 </span>

<span>divide 298.3 by 15 and you get 19.88, you round up, so 20 is the answer </span>
5 0
3 years ago
Need to find shaded area of figure please help!
devlian [24]

Answer:

39 ft^2

Step-by-step explanation:

Find the area of the triangle and subtract the area of the square.

area of triangle = bh/2

area of square = s^2

shaded area = bh/2 - s^2

shaded area = (20 ft)(16 ft)/2 - (11 ft)^2

shaded area = 160 ft^2 - 121 ft^2

shaded area = 39 ft^2

7 0
3 years ago
The measure of two complementary angles are in the ratio 1 : 4. What are the degree measures of the two angles?
AlladinOne [14]
Since the angles are complementary, they add to 90°. So we can write the equation:
x represents the first angle, and 4x represents the second
x+4x=90
5x=90
x=18 

So the first angle is 18° and the second is 72° (18*4)

Hope this helps
6 0
3 years ago
A 2-column table with 5 rows. Column 1 is labeled Number of chores, x with entries 2, 4, 6, 8, 10. Column 2 is labeled Days, y w
Alexandra [31]

Answer:

C: 1/2

Step-by-step explanation:

6 0
3 years ago
ashley purchased a prepaid card phone card for $15. long distance calls cost 11 cents per minute using this card. ashley used he
user100 [1]
It depends if Ashley was on the call for seconds too,if there can be a remainder , if so then it would be 3 min. and 47 sec.
5 0
3 years ago
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