what is the surface area of a conical grain storage tank that has a height of 24 meters and a diameter of 16 meters? round the answer to the nearest square tenth.

Answers

Answer 1

Answer: The basis of this cone is a circle with a diameter d = 16m. This information is sufficient to calculate
1. The surface of the wheel . We use the formula

$A = \pi r^(2)$

2. the radius of the wheel needed to the formula for calculating the area of a circle and the cone

d = 16m
1/2d = r = 1/2*16m = 8m
..................................................................................................
Area base
$P = \pi r^(2) = \pi (8m)^(2) = 64 \pi m^(2)$
..................................................................................................
The surface area

$A = \pi rl$
l - creates a cone = ?

Height , forming a cone and the radius of a circle formed triangle . Two known sides is possible to calculate the third side ( the cone ) of the Pythagorean Theorem

a = r = 8cm
b = h = 24m
c = l = ?

a² + b² = c²
r² + h² = l²
l = √ (r² + h²) = √ [ ( 8m)² + ( 24m)² ] = √ (64m² + 576m²) = √ (640 m²)= √ (8*8*10m²) = 8√10m

The lateral surface of the cone
A = πrl = π*8m *8√10m = 64√10πm²

The total area of the cone = The base area of the side surface of +

A = 64√10πm² + 64πm² = 64πm² *(√10 + 1)

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What percent of 55 is 34

Answers

So,

To what percent 34 is of 55, we first need to find the fraction equivalent.

34 out of 55 parts or 34/55

Divide 34 by 55.

34/55 = 0.61818...

Now, we move the decimal point 2 places to the right in order to convert it to a percent.

6.1818...
61.81818...

Rounded to the nearest hundredth: 61.82%
Rounded to the nearest tenth: 61.8%
Rounded to the nearest percent: 62%

Two rectangles have an area of 81 square inches. Name one possible perimeter for each rectangle. I need to show the problem please.

Answers

you would have to find to factors of 81 which could be 9 and 9.And since a rectangle is a square, the rest of the sides would be the same.Therefore, a possible perimeter is 9 times 4,which is 36.
answer:36

Every prime number greater than 10 has a digit in the ones place that is include in wich set of numbers A- 1,3,7,9 B-1,3,5,9 D-1,3,7

Answers

That's very interesting. I had never thought about it before.
Let's look through all of the ten possible digits in that place,
and see what we can tell:

-- 0:
   A number greater than 10 with a 0 in the units place is a multiple of
   either 5 or 10, so it's not a prime number.

-- 1:
    A number greater than 10 with a 1 in the units place could be
    a prime (11, 31 etc.) but it doesn't have to be (21, 51).

-- 2:
   A number greater than 10 with a 2 in the units place has 2 as a factor
   (it's an even number), so it's not a prime number.

-- 3:
   A number greater than 10 with a 3 in the units place could be
   a prime (13, 23 etc.) but it doesn't have to be (33, 63) .

-- 4:
   A number greater than 10 with a 4 in the units place is an even
   number, and has 2 as a factor, so it's not a prime number.

-- 5:
   A number greater than 10 with a 5 in the units place is a multiple
   of either 5 or 10, so it's not a prime number.

-- 6:
   A number greater than 10 with a 6 in the units place is an even
   number, and has 2 as a factor, so it's not a prime number.

-- 7:
   A number greater than 10 with a 7 in the units place could be
   a prime (17, 37 etc.) but it doesn't have to be (27, 57) .

-- 8:
   A number greater than 10 with a 8 in the units place is an even
   number, and has 2 as a factor, so it's not a prime number.

-- 9:
   A number greater than 10 with a 9 in the units place could be
   a prime (19, 29 etc.) but it doesn't have to be (39, 69) .

So a number greater than 10 that IS a prime number COULD have
any of the digits 1, 3, 7, or 9 in its units place.

It CAN't have a 0, 2, 4, 5, 6, or 8 .

The only choice that includes all of the possibilities is 'A' .

Which equation does not have the same solution as the others?x/4 = 2,
x - 9 = 17,
x + 12 = 20,
2x = 16.

Answers

If you would like to know which equation doesn't have the same solution as the others, you can calculate this using the following steps:

x/4 = 2 ... x = 4 * 2 = 8

x - 9 = 17 ... x = 17 + 9 = 26

x + 12 = 20 ... x = 20 - 12 = 8

2 * x = 16 ... x = 16/2 = 8

The correct result would be x - 9 = 17.

$(x)/(4)=2\nMultiply\ by\ 4\ on\ both\ sides.\nx=2*4\n{\boxed{x=8}$

$\n\nx-9=17\nAdd\ 9\ on\ both\ sides.\nx=17+9\n{\boxed{x=26}$

$x+12=20\nSubtract\ 12\ on\ both\ sides.\nx=20-12\n{\boxed{x=8}$

$2x=16\nDivide\ by\ 2\ on\ both\ sides.\nx=(16)/(2)\n{\boxed{x=8}$

$\sf\ The\ only\ equation\ that\ did\ not\ have\ the\ same\ solution\ as\ the\nothers\ was\n {\boxed{x-9=17}$

What is the distance between the points (2, 5) and (5, 7)?

Answers

Answer: $√(13)\text{ units}$

Step-by-step explanation:

The distance formula to calculate distance between two points (a,b) and (c,d) is given by :-

$d=√((d-b)^2+(c-a)^2)$

Now, the distance between(2, 5) and (5, 7) is given by :-

$d=√((7-5)^2+(5-2)^2)\n\n\Rightarrow\ d=√((2)^2+(3)^2)\n\n\Rightarrow\ d=√(13)\text{ units}$

Hence, the distance between the points (2, 5) and (5, 7) $=√(10)\text{ units}$

What is the distance between the points (2, 5) and (5, 7)?

(3, 2)

What is 100,000,000 written as a power of ten?a. 10^8
b. 10^9
c. 10^10
d. 10^11

Answers

$100,000,000 = 100 * 10^6 = 1* 10^8\n~~\underbrace{~~~~~~~~~~~~~~~}\n~~~~~~~~~8$

Your answer is a. 10^8

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