How does using a bar diagram help you in predicting the solution to ratio and rate problems?

1 answer:

jeka943 years ago

3 0

Bar graph display directly the varibales which are the rate and ratio of the numbers to visualize and display the results, these contrasting the different outcomes. On the contrary, histogram is used in grouped frequency parameters. Moreover, as little as the given five parameters or data set this will be ineffective and will result to a bar graph only and basically, the suited option is the aforementioned vertical graph to display the numbers. To expound on the definition of histogram it is used when the frequency is grouped. For example the data set of 1-5, 6-10, 11-15 and 16-20 this now can be used and applied to illustrate histogram because of the number and quantity of the given data.<span>
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Becky tells her friend about the Rule of 72 and her friend immediately

yaroslaw [1]

Answer:

a. the investment earns 4%

b. yes

Step-by-step explanation:

The "rule of 72" says that an investment earning compound interest at x% will double in value after 72/x years. That is, ...

f(x) = 72/x

We interpret f(4) to mean Becky's friend is interested in the doubling time for an investment that earns 4% interest.

Using the above formula, ...

f(4) = 72/4 = 18