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2 years ago

7

The distance from Scott's house to school is 3/5 of a mile scott walked 2/3 of the way there before he stopped to pick up his fr

iend. How far did Scott walk?

1 answer:

gregori [183]2 years ago

5 0

Answer:

2/5

Step-by-step explanation:

2/3 of 3/5 means to multiply the fractions to get 6/15

6/15 can be reduced by dividing by 3 to get 2/5

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Calculate the volume of the solid. Round answer to the nearest hundredth.

Ostrovityanka [42]

Answer:

630 ft^3

Step-by-step explanation:

8 0

3 years ago

12.4. Measure of Dispersion<br>2076 Q.No. 15 Find the standard deviation of: 4, 6, 8, 10, 12.

Alenkinab [10]

Answer:

Standard deviation of given data = 3.16227

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given sample size 'n' = 5

Given data 4, 6,8,10,12

$Mean = \frac{4+6+8+10+12}{5} = 8$

Mean of the sample x⁻ = 8

Standard deviation of the sample

$S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}$

<u><em>Step(ii)</em></u>:-

Given data

x : 4 6 8 10 12

x-x⁻ : 4 - 8 6-8 8-8 10-8 12-8

(x-x⁻) : -4 -2 0 2 4

(x-x⁻)² : 16 4 0 4 16

$S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}$

$S.D = \sqrt{\frac{16+4+0+4+16}{4}}$

S.D = √10 = 3.16227

<u><em> Final answer</em></u>:-

The standard deviation = 3.16227

8 0

3 years ago

What are prime and composite numbers

alexgriva [62]

Answer:

A prime number is a number ( greater than 1) and it cannot be found/formed by multiplying two smaller numbers.

A composite number is a positive number/integer that can be found/formed by multiplying two smaller numbers/integers.

Hope this helps! Have a great day/night! :)

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3 years ago

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