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KengaRu [80]
3 years ago
11

What the correct answer

Mathematics
2 answers:
mixas84 [53]3 years ago
8 0

Answer:

653.12 ft²

Step-by-step explanation:

2πrh + 2πr²

2(3.14)(8)(5) + 2(3.14)(8)²

251.2 + ²401.92 = 653.12

Bond [772]3 years ago
5 0

Step-by-step explanation:

<em>Here</em><em>,</em>

<em>radius</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>cylinder</em><em> </em><em>(</em><em>r</em><em>)</em><em>=</em><em> </em><em>8</em><em> </em><em>ft</em><em>.</em>

<em>height</em><em> </em><em>(</em><em>h</em><em>)</em><em>=</em><em> </em><em>5</em><em> </em><em>ft</em><em>.</em>

<em>now</em><em>,</em>

<em>area</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>cylinder</em><em> </em><em>(</em><em>a</em><em>)</em><em>=</em><em> </em><em>2.pi.r</em><em>(</em><em>r</em><em>+</em><em>h</em><em>)</em>

<em>now</em><em>,</em><em> </em><em>putting</em><em> </em><em>the</em><em> </em><em>values</em><em> </em><em>we</em><em> </em><em>get</em><em>,</em>

<em>a</em><em> </em><em>=</em><em> </em><em>2</em><em>×</em><em>3</em><em>.</em><em>1</em><em>4</em><em>×</em><em>8</em><em>(</em><em>8</em><em>+</em><em>5</em><em>)</em>

<em>after</em><em> </em><em>simplification</em><em> </em><em>we</em><em> </em><em>get</em><em>,</em>

<em>A</em><em>rea</em><em> </em><em>of</em><em> </em><em>cylinder</em><em> </em><em>is</em><em> </em><em>6</em><em>5</em><em>3</em><em>.</em><em>1</em><em>2</em><em> </em><em>sq.ft</em><em>.</em>

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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Write the equation that passes through the given point and has the slope indicated: (1, -3); with slope (-3/5)
TiliK225 [7]

Answer:

y = -3/5x - 12/5

Step-by-step explanation:

The equation I'm going to give is going to be in slope-intercept form. If you need it in point-slope, I can do so in an edit or the comments.

Slope-intercept form is: <em>y = mx + b</em> where m is the slope, b is the y-intercept.

So let's plug in our given slope:

y = -3/5x + b

Using this, we now plug in our x- and y-coordinates from the given point to solve for b.

-3 = -3/5(1) + b

-3 = -3/5 + b

Add 3/5 to both sides to isolate variable b.

-3 + 3/5 = b

-15/5 + 3/5 = b

-12/5 = b

Plug this new info back into the original equation and your answer is

y = -3/5x - 12/5

6 0
3 years ago
The cost of a banquet can be calculated using the function
kotykmax [81]

Answer:

3 people attended the banquet

Step-by-step explanation:

The function is given as:

b = 75 + 15n where

b represents the total = 122

n represents the number of people attending = ??

If the total cost of the banquet is 122, how many people attended the banquet?

Hence,

122 = 75 + 15n

122 - 75 = 15n

47 = 15n

Divide both sides by 15

n = 47/15

n = 3.1333333333

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Therefore, 3 people attended the banquet.

3 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Verdich [7]

Answer:

A) -18, 3, 24, 45, ...   f(1) = -18, f(n) = f(n-1) + 21 for n = 2,3,4,5,...

B) 11, 33, 55, 77, ...  f(1) = 11, f(n) = f(n-1) + 22 for n>1

C) -18, -108, -648, -3,888, ... f(1) = -18, f(n) = f(n-1) * 6 for n> 1

Step-by-step explanation:

-18, 3, 24, 45, ...

Let's take look at the possible difference patterns between terms:

-18 -> 3 ==> +21 or /-6

3 -> 24 ==> +21 or *8

We see we have a common pattern possible... +21

Which is confirmed from 24 to 45.

So the function will be f(1) = -18 of course

f(n) = f(n-1) + 21 for n = 2,3,4,5,...

11, 33, 55, 77, ...

Let's take a look at the possible difference patterns here again:

11 --> 33 ==> +22 or *3

33 --> 55 ==> + 22 or *5/3

Again, pattern of +22 confirmed with 55 -> 77

f(1) = 11

f(n) = f(n-1) + 22 for n>1

-18, -108, -648, -3,888, ...

Possible patterns:

-18 --> -108 ==> -90 or *6

-108 --> -648 ==> -540 or *6

Pattern of *6 confirmed with -648 and -3,888.

f(1) = -18

f(n) = f(n-1) * 6 for n > 1

8 0
3 years ago
Could someone please help me with this. You will be awarded 15 points!
Crazy boy [7]

Answer:

The answer is A

5 0
3 years ago
Read 2 more answers
There are 138 people seated at a table in a banquet hall. Each table can seat 12 people. All the tables are full except one. How
gulaghasi [49]

There are 11 full tables, because when you divide 138 by 12 you get 11 remainder 6. So there is 11, because 12 people are at 11 tables and 6 at one!
5 0
3 years ago
Read 2 more answers
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