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2 years ago

Solve for the value of x:-

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Mathematics

2 answers:

enot [183]2 years ago

5 0

$4x-5 = 3$

$4x = 8$

$x = 8÷4$

$x = 2$

Oksi-84 [34.3K]2 years ago

4 0

$\qquad\qquad\huge\underline{{\sf Answer}}$

$\large \textbf{Let's evaluate~}$

$\textsf{4x - 5 = 3}$

$\textsf{4x = 5 + 3}$

$\textsf{4x = 8}$

$\textsf{x = 8 ÷ 4}$

$\textsf{x = 2}$

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A bag contains 4 purple beads and 3 green beads. A bead is drawn and then replaced before drawing the second bead. Find the prob

Alex17521 [72]

Answer:

9/49

Step-by-step explanation:

4 purple beads and 3 green beads= 7 beads

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Replace the bead

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3 years ago

Read 2 more answers

a waiter earns $128 for 6 hours of work.The total included $86 in tips.How much does the waiter earn each hour

marta [7]

To find this out, subtract the tip from the total:

$128 - $86= $42

Then divide the 42 by 6:

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So the waiter earns $7 per hour.

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3 years ago

A company's year-end data shows the following amounts. Current assets $65,000 Current liabilities $25,000 Net income $7,500 Net

lozanna [386]

The company's current ratio is 2.6.

<h3>What is the current ratio?</h3>

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2 years ago

Evaluate The Exsperession. Show your work 6.7-3^2.9+4^3 or

Rom4ik [11]

Answer:

25

Step-by-step explanation:

Hi there !

6×7 - 3²×9 + 4³ =

1. raise the numbers to power

= 6×7 - 9×9 + 64

2. we perform the multiplications

= 42 - 81 + 64

3. we perform addition and subtraction

= (42 + 64) - 81

= 106 - 81

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Good luck !

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3 years ago

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In a randomly selected sample of 100 students at a University, 81 of them had access to a computer at home. Give the value of th

astra-53 [7]

Answer:

The value of the standard error for the point estimate is of 0.0392.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1-p)}{n}}$

In a randomly selected sample of 100 students at a University, 81 of them had access to a computer at home.

This means that $n = 100, p = \frac{81}{100} = 0.81$

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This is s. So

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3 years ago