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2 years ago

What is the lowest common multiple of 8 and 6??

Mathematics

1 answer:

kykrilka [37]2 years ago

3 0

Hi,

Let's look at the multiples of each to find a common

8: 8, 16, 24

6: 6, 12, 18, 24

The lowest common multiple is 24.

Have a great day!

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How do you decide which operations to use when you are solving a problem? Give an example.

deff fn [24]

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2 years ago

Below are two parallel lines with a third line intersecting them.

Korolek [52]

Answer:

x=88

Step-by-step explanation:

That third line is a transversal, making 92 and x supplementary to each other.

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2 years ago

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3 years ago

Use the given information to find the minimum sample size required to estimate an unknown population mean μ.

larisa86 [58]

Answer:

The number of business students that must be randomly selected to estimate the mean monthly earnings of business students at one college is 64.

Step-by-step explanation:

The (1 - α) % confidence interval for population mean is:

$CI=\bar x\pm z_{\alpha/2}\ \frac{\sigma}{\sqrt{n}}$

The margin of error for this interval is:

$MOE= z_{\alpha/2}\ \frac{\sigma}{\sqrt{n}}$

The information provided is:

σ = $569

MOE = $140

Confidence level = 95%

α = 5%

Compute the critical value of z for α = 5% as follows:

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96$

*Use a z-table.

Compute the sample size required as follows:

$MOE= z_{\alpha/2}\ \frac{\sigma}{\sqrt{n}}$

$n=[\frac{z_{\alpha/2}\times \sigma}{MOE}]^{2}$

$=[\frac{1.96\times 569}{140}]^{2}\\\\=63.457156\\\\\approx 64$

Thus, the number of business students that must be randomly selected to estimate the mean monthly earnings of business students at one college is 64.

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3 years ago

Describe the square roots of numbers using 2 sentences.

slava [35]

Answer:

Square roots of numbers less than 1 are between 0 and 1, while square roots of numbers greater than 1 are greater than 1. For numbers between 0 and 1, the square root is greater than the number; for numbers larger than 1, the square root is less than the number.

Step-by-step explanation:

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2 years ago

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