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Harrizon [31]
3 years ago
14

Here is a set of data 2.4 1.6 3.2 0.3 1.5 a. calculate the mean b. each new piece of data is now doubled, calculate the new mean

c. each new piece of data is now doubled, calculate the new mean
Mathematics
2 answers:
djverab [1.8K]3 years ago
6 0

Answer:

a) mean=1,8 b) mean=3.6 c) mean=7.2

Step-by-step explanation:

a) 2.4 +1.6+ 3.2+ 0.3+ 1.5=9

9/5=1.8  

b) 4.8+3.2+6.4+0.6+3=18

18/5=3.6

c)9.6+6.4+12.8+1.2+6=36

36/5=7.2

expeople1 [14]3 years ago
5 0

Answer:mean is 1.8

Step-by-step explanation:

Add all up divide by 5

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What is the slope of the line that goes through the points (12,-18) (-15,-18)
AnnZ [28]

Hi!

Step-by-step explanation:

SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}

\frac{(-18)-(-18)}{(-15)-12}=\frac{0}{-27}=0

<u><em>Slope is 0.</em></u>

<u><em>The answer is 0.</em></u>

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4 0
2 years ago
Need Help Please!!!!!!!
marshall27 [118]

ANSWER

$1,413.81

EXPLANATION

The compound interest formula is given by:

A=P(1+r\%)^t

Where P=900 is the balance in the account, t=10 is the number of years and r=0.0462 is the rate.

We substitute the values in to the formula to get:

A=900(1+4.62\%)^{10}

A=900(1.0462)^{10}

This simplifies to:

A=1413.81

Therefore $1413.81 will be in the account after 10 years.

6 0
3 years ago
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What's 25.65 divided by 15
Rasek [7]
25.65 ÷ 15 = 1.71 

So, the answer to this problem is 1.17
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on his shelves trenton has 15 biogrophies,15 science fiction books,7 refrence books,and 11 mystery books. find the ratio of biog
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2 years ago
Bred has to paint a wall with 8 horizontal stripes. He has enough paint only for 5 blue, 5 red and 5 white stripes. If he can us
Kay [80]

Answer:

336

Step-by-step explanation:

Required Formulas:-

1. Number of ways to select x things out of n things = ⁿCₓ

2. Number of ways to arrange n things when a things and b things are similar = n!/(a!*b!)

Since we have to choose 8 colors and we are having 3 different colors, it is only possible when we select 2 different colors (e.g. 5 red and 3 blue). To find all possible ways we will have to find all unique arrangements of selected color.

Using formula (1), number of ways to select 2 colors out of given 3 colors = ³C₂ = 3

Using formula (2), finding all unique arrangements when 5 stripes are of one color and 3 stripes are of second color = 8!/(3!*5!) = 56

Suppose, we can choose 5 stripes from red color and 3 stripes from blue color or 5 strips from blue color and 3 strips from red color. So there are 2 possibilities of arranging every 2 colors we choose .

∴ Answer=3*56*2 = 336

6 0
3 years ago
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