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Arisa [49]
3 years ago
9

A metalworker has a metal alloy that is 20​% copper and another alloy that is 75​% copper. How many kilograms of each alloy shou

ld the metalworker combine to create 80 kg of a 53​% copper​ alloy?

Mathematics
1 answer:
Molodets [167]3 years ago
4 0
That's the answer to your question

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Which measure is usually the least useful in describing the data for a stem-and-leaf plot? range median mode mean
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Answer:

Mean: For this case would be not useful since in the stem leaf plot is difficult to find this measure with this chart

Step-by-step explanation:

We want construct a stem and leaf plot and we want to find the measure least useful.

And for this case if we analyze the option we have:

Range: That very useful and it can be extracted from the stem and leaf plot

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Mode: With a stem leaf plot we can find easily the most repeated value

Mean: For this case would be not useful since in the stem leaf plot is difficult to find this measure with this chart

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What is the d/dx tan^3x
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Choose the function whose graph is given by:
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Answer:

<h2>B. y= cos X</h2>

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Answer: a. The median is 5, the interquartile range is 10.

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