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Leokris [45]
2 years ago
14

Determine the mean of the following data. Choose the correct option. 7, 8, 9, 2, 4, 5, 12, 9

Mathematics
1 answer:
Brut [27]2 years ago
8 0

Answer:

7

Step-by-step explanation:

mean means average

there are 8 numbers

add them all up

7+8+9+2+4+5+12+9=56

divide 56 by 8 = 7

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Evaluate the formula V = Bh3 V equals the quantity B multiplied by h end of quantity divided by 3 for B = 4 cm2 and h = 6 cm.
Marat540 [252]

Answer:

V = 8 cm³

Step-by-step explanation:

This is basically the formula for volume of pyramid:

Volume of Pyramid = 1/3 × Base Area x Height

OR

Volume of Pyramid = (Base Area x Height)/3

V = Bh/3

Given:

B = 4 cm²

h = 6 cm

V = Bh/3

  = (4 x 6) / 3

  = 24 / 3

V = 8

Hence

V = 8 cm³

If you want to represent this into inches simply divide 8 with 2.54 as

1 cm = 2.54 inches So,

8 cm / 2.54 cm  =  3.15 in

8 0
3 years ago
A server brings 9 bread sticks to a table with 4 people. How many bread sticks each persons gets ?
AURORKA [14]

Answer:

2 1/4

Step-by-step explanation:

Each person gets 2 1/4 bread sticks.

9÷4= 2 1/4

3 0
3 years ago
Read 2 more answers
Rewrite 1/3 book - 5/6 hour as a unit rate.
insens350 [35]

Answer:

2/5

Step-by-step explanation:

The answer is 2/5 as a fraction or 0.40 as a decimal. To get the answer all you have to do is 1/3÷5/6

6 0
3 years ago
Wren has a 30% chance of being selected as the president of the school sports club and a 80% chance of being elected editor of t
andre [41]
I think 24 might be the answer if not its 15
7 0
3 years ago
How many times longer is 3 1/2 to 2 1/2
Alik [6]

Answer:

1.4 times as long

Step-by-step explanation:

3 1/2 (convert to mixed number) --> 7/2

2 1/2 (convert to mixed number) --> 5/2

(7/2) / (5/2) --> 7/5 --> 1.4

3 0
2 years ago
Read 2 more answers
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