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Leona [35]
3 years ago
12

The surface area of a cone with radius r units and slant height s units is shown below: Surface area = 3.14(rs + r^2) Part A: If

r = 6 units and s = 4 units, write an expression that can be used to calculate the surface area of the cone. (4 points) Part B: What is the surface area of the cone? Show your work. (6 points)
Mathematics
1 answer:
astraxan [27]3 years ago
7 0
Expression for surface area is 3.14(6 * 4 + 6^2) = 3.14(24 + 36)

surface area is 3.14(60) = 188.4 square units.
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Given the perimeter of a rectangle and either the length or width, find the unknown measurement using the appropriate formula.
kotegsom [21]

Answer:

2,688

Step-by-step explanation:

96 x 28 = 2,688

3 0
3 years ago
Point G is the centroid of the right △ABC with hypotenuse AB=18 in. Find CG.
natita [175]
<h3>Answer:</h3>

6 in

<h3>Explanation:</h3>

CG is 2/3 the length of median CM, where M is the midpoint of AB. M is the center of the circumscribing circle, which has radius 9 in, so CM is 9 in, and CG is 6 in.

5 0
3 years ago
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Meyer restocks on toilet paper Sunday they get 800 rolls. They are open Monday through Sunday 8am to 10pm. They sell 16 rolls pe
ohaa [14]
Remember 800 because that’s your big number / most important.

So they’re open from 8am - 10pm. They’re open for 14 hours a day and they sell 16 rolls per hour.
If one hour is 16 rolls sold , then what is 14?
16 x 14 hours (16 x 14 = 224)
In a whole day they sell 224 rolls.
Monday: 800 rolls - 224 rolls = 576 rolls
Tuesday: 576 rolls - 224 rolls = 352 rolls
Wednesday: 352 rolls - 224 rolls = 128
By Thursday they won’t be able to sell more than 224 because there is only 128 rolls left that will be sold out in 8 hours on that day.
So they will be sold out completely by THURSDAY.
The best time to go to the store is most likely on a Tuesday around 12-1pm
4 0
3 years ago
The base of a solid oblique pyramid is an equilateral triangle with a base edge length of 18 inches What is the height of the tr
ExtremeBDS [4]
The height of the triangular base of the pyramid is calculated through the equation,
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where h is height and x is half of the angle of the triangle. Since the triangle is equilateral, the value of  x is 30°. Substituting,
                                        h = (cos 30°)(18 in)
                                        h = 15.59 in
Thus, the height of the base is approximately 15.59 inches. 
6 0
3 years ago
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Evaluate n + 11 for n = 3.<br><br> A: 331<br> B: 33<br> C: 14<br> D: 8
andriy [413]
The answer is 14. if n equals 3 and you use the equation instead of n. 3+11 that would equal 14
C is the answer
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7 0
3 years ago
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