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2 years ago

Easy & will mark brainest!! Does the image above mean no solution or infinite solutions? please let me know!

Mathematics

2 answers:

jenyasd209 [6]2 years ago

8 0

Answer:

No solution.

Step-by-step explanation:

That image is of the symbol of the empty set. The solution set is empty, which means there is no solution.

joja [24]2 years ago

4 0

It means no solution. If there were infinite solutions, the symbol would look like a sideways 8.

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A new cream was developed to reduce the irritation caused by poison ivy. To test the effectiveness, researchers put an ad online

telo118 [61]

Answer:

Single Blind (option 1)

Step-by-step explanation:

The subjects don't know which cream they have but the technicians do.

If the subject knows which cream they have then they can be influenced by the placebo effect. If they don't know but the technicians do then the technicians will be able to look at unbiased responses from the subjects and tell if it works or not. If the technicians don't know which cream each subject has then they won't be able to learn anything from the responses. The technicians need to know which cream each subject has and the subjects can't know which cream they had.

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2 years ago

Determine if the statement is true or false.

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Step-by-step explanation:just this which correct

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3 years ago

Describe the transformation from the graph of f(x) = x + 2 to the graph of g(x) = x − 7.

galina1969 [7]

The graph went down 9

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3 years ago

Which expression is equivalent

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2 years ago

www.g The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulb

damaskus [11]

Answer:

$z=\frac{24-40}{8}=-2$

$z=\frac{40-40}{8}=0$

And then the percentage between 24 and 40 would be $\frac{95}{2}= 47.5 \%$

Step-by-step explanation:

For this problem we have the following parameters given:

$\mu = 40, \sigma =8$

And for this case we want to find the percentage of lightbulb replacement requests numbering between 24 and 40.

From the empirical rule we know that we have 68% of the values within one deviation from the mean, 95% of the values within 2 deviations and 99.7% within 3 deviations.

We can find the number of deviations from themean for the limits with the z score formula we got:

$z=\frac{X-\mu}{\sigma}$

And replacing we got:

$z=\frac{24-40}{8}=-2$

$z=\frac{40-40}{8}=0$

And then the percentage between 24 and 40 would be $\frac{95}{2}= 47.5 \%$

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2 years ago

*Easy* & will mark brainest!! Does the image above mean no solution or infinite solutions? please let me know!

Easy & will mark brainest!! Does the image above mean no solution or infinite solutions? please let me know!