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2 years ago

5^3x +2 = 25^x – 8step by step please

Mathematics

1 answer:

Naily [24]2 years ago

8 0

Answer:

-8

Step-by-step explanation:

It wont let me upload anything so i will come back with steps later

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2 years ago

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2 years ago

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vagabundo [1.1K]

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2 years ago

Calculate the value of the sample variance. Round your answer to one decimal place. 9_5,9_5,2,9_5

Ugo [173]

Answer:

$s^2 = 0.01$

Step-by-step explanation:

Given

Values: 9/5, 9/5, 2, 9/5

Required

Calculate the sample variance

Sample variance is calculated using:

$s^2 = \frac{\sum (x_i - \overline x)^2}{n - 1}$

First, we calculate the mean

$\overline x = \frac{\sum x}{n}$

$\overline x = \frac{9/5 + 9/5 + 2 + 9/5}{4}$

$\overline x = \frac{7.4}{4}$

$\overline x = 1.85$

$s^2 = \frac{\sum (x_i - \overline x)^2}{n - 1}$ becomes

$s^2 = \frac{(9/5 - 1.85)^2+(9/5 - 1.85)^2+(2 - 1.85)^2+(9/5 - 1.85)^2}{4 - 1}$

$s^2 = \frac{(-0.05)^2+(-0.05)^2+(0.15)^2+(-0.05)^2}{4 - 1}$

$s^2 = \frac{0.0025+0.0025+0.0225+0.0025}{3}$

$s^2 = \frac{0.03}{3}$

$s^2 = 0.01$

<em>Hence, the variance is 0.01</em>

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2 years ago

Find the inequalities for every word problems and after match

vichka [17]

1b ONLY LESS THAN
2c ONLY MORE THAN
3a HIGHEST means less than OR equal to
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3 years ago

5^3x +2 = 25^x – 8step by step please​

5^3x +2 = 25^x – 8step by step please