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3 years ago

Which is the exponential form of log8 x=3

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

6 0

Answer:

x = 8^3

Step-by-step explanation:

To rewrite an equation with logs in exponential form, you need to know

logb(a) = m is equivalent to a= b^m

So given log8 (x) = 3 is equivalent to x = 8^3

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The scores on a test for a sample of 42 statistics students are summarized in the following table. 9, 90, 18, 80, 15, 70. Find t

igomit [66]

<h3>Answer: 78.6</h3>

Work Shown:

$\begin{array}{|c|c|} \cline{1-2}\text{Number of People} & \text{Score}\\\cline{1-2}9 & 90\\\cline{1-2}18 & 80\\\cline{1-2}15 & 70\\\cline{1-2}\end{array}$

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

$\begin{array}{|c|c|c|} \cline{1-3}\text{Number of People} & \text{Score} & \text{Number*Score}\\\cline{1-3}9 & 90 & 810\\\cline{1-3}18 & 80 & 1440\\\cline{1-3}15 & 70 & 1050\\\cline{1-3}\end{array}$

The values in the third column add to 810+1440+1050 = 3300

Divide this over the total number of people which is 9+18+15 = 42

The mean is 3300/42 =78.571 approximately which rounds to 78.6

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2 years ago

BRAINLIEST FOR BEST ANSWER ** What is the degree number of Z?

irinina [24]

Answer:

the answer is D. 147 degrees

Step-by-step explanation:

114+33=147

check answer by

180-147=33

33+33+114=180

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3 years ago

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Identify the initial value and rate of change for the graph shown. (4 points)

spin [16.1K]

Answer:

Step-by-step explanation:

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3 years ago

Which is not a true statement about the transformation below

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Step-by-step explanation:

option D is correct,

because the orientation/postion of the vertices does got changed...

that's why it is not true

hope this answer helps you dear take care

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2 years ago

Solve x^2-8x=3 by completing the square.

vfiekz [6]

Answer:

x=4+(19)^1/2,x=4-(19)^1/2

Step-by-step explanation:

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3 years ago