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White raven [17]
3 years ago
9

A cylindrical grain bin has a radius of 9 feet and a height of 30 feet. What is the surface area of the bin

Mathematics
1 answer:
vivado [14]3 years ago
6 0
1696.46 square feet
2x(9x9xpi) for the circular ends
9x2xpi for the diameter of the circle the multiply by 30 for the surface area of the sides
Add together to get 1696.46 square feet
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A box is to be wrapped in a shiny pink decorative paper. ​ ​ The box is 99 inches long, 55 inches wide, and 44 inches high. ​ ​
vaieri [72.5K]

Answer:

24442 square inches of decorative paper

Step-by-step explanation:

To solve for the above question, we have to find the Surface Area of the box. The box is shaped as a Rectangular Prism.

Hence, the formula is given as:

A = 2(wl + hl+ hw)

Where:

Length (l) = 99 inches

Width (w) = 55 inches

Height (h) = 44 inches

=2 × (55×99 + 44×99 + 44×55)

=24442 square inches

Therefore, the minimum amount of decorative paper needed to cover the box is 24442 square inches of decorative paper.

6 0
3 years ago
A restaurant charges $1.30 for one biscuit and two eggs it charges $2.15 for two biscuits in three eggs what is the cost of one
enyata [817]

Answer:

$1.85

Step-by-step explanation:

2.15

-1.30

--------

1.85

4 0
3 years ago
Which scenario describes a pattern of exponential decay?
steposvetlana [31]

Answer:

C

Step-by-step explanation:

The rest are based on time or based on money. (Which you don't know the rate of how often they buy.) I would chose C, if I'm wrong sorry.

3 0
2 years ago
The length of a rectangular garden is 9ft longer than its width . The gardens perimeter is 182 feet . Find the length of the gar
CaHeK987 [17]

Let, width = x, length = x+9

perimeter = 2(l+w)

=2(x+x+9)=182

=2(2x+9)=182

=4x+18 = 182

=4x = 164

=x = 41

Length would be (x+9) = 41+9 = 50 ft

5 0
3 years ago
Can someone help me with this please?
irakobra [83]

Answer:

b. 28.1

Step-by-step explanation:

By the property of intersecting secant and tangent out side of the circle.

20 \times (20 + x) =  {31}^{2}  \\ 20(20 + x) = 961 \\ 20 + x =  \frac{961}{20}  \\ 20 + x = 48.05 \\ x = 48.05 - 20 \\ x = 28.05 \\ \huge \red{ \boxed{ x = 28.1}}

3 0
3 years ago
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