3 years ago

The price of an errand as increased from $30 to $35 what is the percantage increased

Mathematics

1 answer:

tatyana61 [14]3 years ago

4 0

Answer:

Step-by-step explanation:

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2 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

What is 1 ten more than 9 ones

Evgesh-ka [11]

19 because 1 ten = 10 ones and 9 one plus 10 ones equals 19 altogether

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3 years ago

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Leviafan [203]

Answer:

its 400 cuz 0.1 is tenth

Step-by-step explanation:

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3 years ago

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3 years ago

The price of an errand as increased from $30 to $35 what is the percantage increased​

The price of an errand as increased from $30 to $35 what is the percantage increased