Mathematics, 28.01.2021 21:20 shelovejaylocs
In a survey of first graders, their mean height was 51.6 inches with a standard deviation of 3.6 inches. Assuming the heights are normally distributed, what height represents the first quartile of these students?
Answers: 3
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Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?
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Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.
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Parabolas y=β2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
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Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.
Answers: 1
In a survey of first graders, their mean height was 51.6 inches with a standard deviation of 3.6 inc...
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