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olga_2 [115]
3 years ago
14

The mean of this set of numbers {20, 30, 40, 50, 60, 70, 80} is??

Mathematics
2 answers:
blondinia [14]3 years ago
5 0

The answer would be 50!

MatroZZZ [7]3 years ago
3 0

Answer:

The answer is 50

Step-by-step explanation:

You add up all the numbers and divide the numbers by how many numbers there are.

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It’s not C and I suck at math can someone plz help me on this plz and thx
Fittoniya [83]

Answer:

a

Step-by-step explanation:

The volume (V) of a cone is calculated as

V = πr²h ( r is the base radius and h the perpendicular height )

To calculate the height h use the right triangle formed by the radius and the inclined side.

Given diameter = 22, then r = 22 ÷ 2 = 11 cm

Using Pythagoras' identity on the right triangle, then

h² + 11² = 61² , that is

h² + 121 = 3721 ( subtract 121 from both sides )

h² = 3600 ( take the square root of both sides )

h = \sqrt{3600} = 60

Thus

V = π × 11² × 60

   = 3.14 × 121 × 60 ≈ 22796.4 cm³ → a

7 0
3 years ago
What is 15/1/20 as a improper fraction
Lera25 [3.4K]
I'm not sure what you mean, but if you mean 15 and 1/20th, you just multiply 15 by 20 and add one which is 301 and keep the denominator
3 0
3 years ago
Select all number that fall between 7 and 8
Aliun [14]

Answer:

7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 7.7, 7.8, and 7.9

Step-by-step explanation:

There is no whole number, but there are decimals that fall in between 7 and 8.

~theLocoCoco

6 0
3 years ago
an antique has a price of 269. the sales tax rate for the country is 8.8%.how much sales tax will be due
AnnyKZ [126]
If you are trying to find tax, the answer is $23.67,

But if you are trying to find the total price, the answer is $292.67
3 0
2 years ago
Divide 25 1858.<br> To find the quotient, start by dividing
Pavlova-9 [17]

Answer:

74.32

Step-by-step explanation:

1,858 divided by 25= 74.32

5 0
3 years ago
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