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MAXImum [283]
3 years ago
8

Find the lateral surface area of the figure. A 798 B 210 C 816.8 D 69.7

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0

the lateral surface area of the figure is 660 sq ft

(but the answer is not matching with the options)

Step-by-step explanation: this figure is called cylinder. the lateral surface area means the area of curved surface.

here the diameter is 10 ft

so radius = diameter/2 = 10/2 ft = 5ft

again, height = 21ft

now the lateral surface area = perimeter of the circular surface X height

= 2X pie X r X h ( here r is the radius and h is height and we will take pie as 22/7)

= 2 X (22/7) X 10 X 21 sq ft

= 2 X 22 X 5 X 3 sq ft

=660 sq ft

( suggest you to recheck the options)

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Answer:

a- 130, 130, and 50

b- 7 and 10

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3 years ago
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A line passes through the points (-4, -3) and (2,6). Determine the slope of the line
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Slope is 1/2. The equation to solve it is y2-y1 / x2-x1. I hope you understand it now :)

4 0
3 years ago
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The following are score earned by 15 college students on a 20-point math quiz. (a) calculate the mean, median, and mode scores.
Softa [21]

Answer:

(a) 12.87; 14; 18; (b) median  

Step-by-step explanation:

(a) Statistics

(i) Mean

The mean is the sum of all the data points divided by the number of points.

\begin{array}{rcl}\text{Mean} & = & \dfrac{0 + 2 + 3 + 12 + 12 + 13 + 14 + 14 + 15 + 15 + 18 + 18 + 18 + 19 + 20}{15}\\\\& = & \dfrac{193}{15}\\\\& = & \mathbf{12.87}\\\end{array}

(ii) Median

The median is the middle value in your list of observations.

0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20

Median = 14

(iii) Mode

The mode is the value that appears most often in your list of observations.

0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20

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(b) Most representative measure

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The histogram below shows the distribution of your data.

8 0
3 years ago
Can someone please help i am very stuck :
Oliga [24]
The answer is
the first one is x= 18.98 
a^2+b^2=c^2
8 cm^2+17 cm^2= x^2 
64+289=x^2
√x^2= √353
x=18.89
<span><span>the second one is x= 18.7
a^2+b^2=c^2
7 m^2+ x^2= 20 m^2
49 m+x^2=400 m
-49            -49
  </span></span>√x^2=√352
<span><span>x= 18.7
Hope this helps!</span></span>
5 0
3 years ago
elizabeth has 8 socks in her drawer: 4 black socks, 2 white socks and 1 brown sock and 1 red sock. she chooses a sock at random
Debora [2.8K]

The probability that she picks two white socks is 0.0357

<h3>How to determine the probability?</h3>

The given parameters are:

Socks = 8

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Brown = 1

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The probability of picking a white sock at first is:

P(White) = 2/8

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The required probability is:

P = 2/8 * 1/7

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P = 0.0357

Hence, the probability that she picks two white socks is 0.0357

Read more about probability at:

brainly.com/question/251701

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3 0
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