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Ierofanga [76]
3 years ago
9

How to solve a problem.

Mathematics
1 answer:
mash [69]3 years ago
8 0

a) \log \left(\dfrac{A^3B}{C} \right) = 3\log A + \log B - \log C

b) \log \left(\dfrac{\sqrt{A}}{B^2} \right) = \frac{1}{2}\log A - 2\log B

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The diameter of the circle is 18 m. Eugene incorrectly says that the circumference of the circle is about 113.04 m. What is the
vovikov84 [41]

Hi

formula. for  circumference of a circle is. : 2πR. if you have the radius.

As the diameter is twice the radius,  then  circumference is. diameter π

then : 18*π≈ 56.52

the mistake was to take the diameter as the radius.

3 0
3 years ago
There are 4 blue, 2 red, 1 brown, 1 black, 1 white, and 3 green crayons in a box. What is the probability of picking a red crayo
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Answer:

1/6

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Simply just Add the different amounts of different crayons as your denominator, and find the number of red, as your numerator. This gets you 2/12. 2/12 = 1/6

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A software developer wants to know how many new computer games people buy each year. Assume a previous study found the standard
Marrrta [24]

Answer:

The minimum sample size required to ensure that the estimate has an error of at most 0.14 at the 95% level of confidence is n=567.

Step-by-step explanation:

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The critical value of z for a 95% confidence interval is z=1.96.

To do that, we use the margin of error formula in function of n:

MOE=\dfrac{z\cdot \sigma}{\sqrt{n}}\\\\\\n=\left(\dfrac{z\cdot \sigma}{MOE}\right)^2=\left(\dfrac{1.96\cdot 1.7}{0.14}\right)^2=(23.8)^2=566.42\approx 567

The minimum sample size to have this margin of error is n = 567.

3 0
3 years ago
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Lapatulllka [165]
(3.5, -12.5).

Good luck
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I think he’s spending to much in supplies and to little in advertising like what advertising are you buying with $10 and i think he earns to little so he should quit his job
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