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Svetlanka [38]
2 years ago
6

How would i simplify 1/2 (8x+2)

Mathematics
2 answers:
givi [52]2 years ago
8 0
<h2>Hey there!</h2>

<h2>Answer:</h2><h3>x = -4</h3>

<h2>Step by step explanation:</h2>

\frac{1}{2}(8x+2) = 0\\\\8x+2 = -\frac{1}{2}\\\\8x = -\frac{1}{2} -2\\\\8x = \frac{-2-2}{2} \\\\8x = -2\\\\x = \frac{-2}{8}\\\\x = -4

<h2>Hope it help you</h2>

Alex17521 [72]2 years ago
7 0

Answer:

4x + 1

Step-by-step explanation:

by using the distributive property (images)

so it would be 1/2*8x + 1/2*2

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Answer:

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Step-by-step explanation:

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nika2105 [10]

Answer:

A. 0.0272

B. 0.0278

C. No

Step-by-step explanation:

a. Calculation for the margin of error and the interval estimate of the number of eligible people who had a driver’s license in 1995u

First step is to calculate the Standard error using this formula

Standard error(SE)= √(pcap * (1 - pcap)/n)

Where,

pcap represent sample proportion = 0.639

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Let plug in the formula

Standard error (SE)= √(0.639 * (1 - 0.639)/1200)

Standard error(SE)= 0.0139

Second step is to find Zc using this formula

Zc = Z(α/2)

Where,

α = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

Zc = Z(α/2) = 1.96

Now let calculate the Margin of Error using this formula

Margin of Error= zc * SE

Let plug in the formula

Margin of Error = 1.96 * 0.0139

Margin of Error = 0.0272

Therefore the Margin of Error is 0.0272

b. Calculation for the margin of error and the interval estimate of the number of eligible people who had a driver’s license in 2016

First step is to calculate the Standard error using this formula

Standard error(SE)= √(pcap * (1 - pcap)/n)

Where,

pcap represent sample proportion = 0.417

n represent sample size = 1200

Let plug in the formula

Standard error (SE)= √(0.417 * (1 - 0.417)/1200)

Standard error(SE)= 0.0142

Second step is to find Zc using this formula

Zc = Z(α/2)

Where,

α = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

Zc = Z(α/2) = 1.96

Now let calculate the Margin of Error using this formula

Margin of Error= zc * SE

Let plug in the formula

Margin of Error = 1.96 * 0.0142

Margin of Error = 0.0278

Therefore the Margin of Error is 0.0278

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Answer:

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Step-by-step explanation:

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