Please help quick, need answers for 21, 22, and 23, with a step by step explanation.
Answers
Answer:
21) $90 22) $144 23) $240.5
Step-by-step explanation:
21) Cost to Store(CTS): 75 Markup(M): 20
Turn 20% into 0.20
Multiply the CTS, 75, by 0.20 to get 15
Add 15 and 75 together to get 90
22) CTS: 90 M:60
Turn 60% into 0.60
Multiply the CTS, 90, to 0.60 to get 54
Add 54 and 90 together to get 144
23) CTS: 130 M:85
Turn 85 into 0.85
Multiply the CTS, 130, to 0.85 to get 110.5
Add 110.5 and 130 together to get 240.5
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Answer: Useful tools in teaching kids to read a clock include a working analog clock with the minutes marked off either by ones or by fives, from zero to 60; a play-clock that allows you to move the minute hand to show any time; and printouts of clocks with the hours divided into "pizza slices" at each big number.
Step-by-step explanation:
Choose 1 answer
(A) -2 percentage points
(B) -1 percentage points
(C) -1/2 percentage points
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Final answer:
Though the scatter plot isn't available, interpretation of the plot would suggest an average change in smoking rate. The optimal choice can't be stated without the graph.
Explanation:
This question is asking you to interpret the trend shown in a scatter plot, which falls under the mathematical topic of statistics. Since the question does not provide a visible scatter plot, we cannot confidently select an answer choice for a change in the smoking rate. However, if a scatter plot were available, you would analyze it to find the average rate of change from year to year. Each percentage point represents the change in the percentage of adult smokers in the United States from one year to the next.
Learn more about Statistics here:
Answer: -1/2 percentage points.
Step-by-step explanation:
Since the data shows a mostly linear trend, a line can be drawn to estimate the rate of change.
The line approximately goes through (0,40) and (10,35), so a approximation for the slope is 35-40/10-0, equaling -1/2.
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