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3 years ago

What is sixteen minus two point two?

Mathematics

2 answers:

erica [24]3 years ago

7 0

Answer:

13.8

Step-by-step explanation:

16 - 2.2 is the question.

WE can split this problem up into 2.

16 - 2 and 1 - 0.2.

16 -2 = 14

1 - 0.2 = 0.8

14 - 1 = 13 ( we subtract by 1 because we added one to 16.)

13 + 0.8 = 13.8

PLEASE MARK ME BRAINLIEST!

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(or the other way)

16 - 2.2

16 - 2 = 14

14 - 0.2 = 13.8

Lunna [17]3 years ago

5 0

Answer:

13.8

Step-by-step explanation:

- 2.2

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If b=p+5 and a=p^2+10p+1 find an expression that equals 2b+3a in standard form

olya-2409 [2.1K]

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3p² + 32p + 13

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

12.4. Measure of Dispersion 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:

Step(i):-

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

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

Step(ii):-

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

Final answer:-

The standard deviation = 3.16227

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2 years ago