Mathematics, 13.04.2021 01:10 sincere21
10 pens and 12 pencils cost 14.94. Three pens and 9 pencils cost $5.67. how much does a pen cost? how much does a pencil cost?
Answers: 3
Mathematics, 21.06.2019 19:00
The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of Ο (no approximations).
Answers: 1
Mathematics, 21.06.2019 19:00
Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?
Answers: 2
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
Answers: 1
Mathematics, 21.06.2019 19:40
The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?
Answers: 2
10 pens and 12 pencils cost 14.94. Three pens and 9 pencils cost $5.67. how much does a pen cost? ho...
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