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Aleks04 [339]
3 years ago
14

Hi! Got a question.

Mathematics
2 answers:
Ghella [55]3 years ago
6 0

Answer:

1600cm³

Step-by-step explanation:

Volume of a cylinder = πr²h

area of a circle = πr²

area of base circle = 200cm²

h = 8

200 * 8

= 1600cm³

mrs_skeptik [129]3 years ago
3 0

Answer:

Volume is 1600 cm ^3

Step-by-step explanation:

V= Base area x Height

h= 8 cm

B.A.= 200 cm^2

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Refer to the following frequency distribution of days absent during a calendar year by employees of a manufacturing company:
adelina 88 [10]

Answer:

(a) 91 employees were absent fewer than six days.

(b) 22 employees were absent more than five days.

(c) 20 employees were absent from 6 up to 12 days.

Step-by-step explanation:

The data for the number of days absent during a calendar year by employees of a manufacturing company is given below.

(a)

The number of employees that were absent for fewer than six days is =

Frequency\  for\  class\ [0\ - \ 3]+Frequency\  for\  class\ [3\ - \ 6]\\=60 +31\\=91

Thus, there were 91 employees who were absent for fewer than six days.

(b)

The number of employees that were absent for more than 5 days is =

Frequency\  for\  class\ [6\ -\ 9]+Frequency\  for\  class\ [9\ -\12]+\\Frequency\ for\  class\ [12\ - \15]\\=14+6+2\\=22

Thus, there were 22 employees who were absent for more than 5 days.

(c)

The number of employees that were absent from 6 up to 12 days is =

Frequency\  for\  class\ [6\ -\ 9]+Frequency\  for\  class\ [9\ -\12]=14+6\\=20

Thus, there were 20 employees who were absent from 6 up to 12 days.

5 0
3 years ago
Which expression is equal to 728‾‾‾√−563‾‾‾√ ?
svet-max [94.6K]
The answer is The 3rd one
7 0
3 years ago
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A man got a 10% increase in his salary. If his new salary is 1,54,000, find his<br>original salary.​
daser333 [38]
The man’s original salary was 100%. when increased by 10% , it becomes 110% which is $154 000.

so,

110% -> 154 000
1% -> $1400
100% -> $1400 x 100
= $140 000
5 0
3 years ago
A right cylinder has a base area of 169π cm2. Its height is half the radius. Identify the lateral area and the surface area of t
ahrayia [7]

Answer:

Circumference of the base =2πr=16π cm. Radius of cylinder =r16π2π=8 cm ... Lateral Surface area =LSA=2πrh=16π⋅4=64π≈201.1 cm2.

Step-by-step explanation:

5 0
4 years ago
Evaluate each function for x = 4<br> g(x) = -2x - 3
Olin [163]

Answer:

g(4) = -11

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = -2x - 3

x = 4

<u>Step 2: Evaluate</u>

  1. Substitute:                    g(4) = -2(4) - 3
  2. Multiply:                        g(4) = -8 - 3
  3. Subtract:                       g(4) = -11
3 0
3 years ago
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