Mathematics, 03.05.2020 13:21 rayne40
A bag contains one red pen, four black pens, and three blue pens. Two pens are randomly chosen from the bag and are not
replaced.
To the nearest hundredth, what is the probability that a black pen is chosen first and then another black pen is chosen?
0.02
0.19
0.21
0.25
Answers: 3
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Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.
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Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?
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Mathematics, 22.06.2019 04:30
6points possible: 3. total attempts: 5 for the data shown, answer the questions. round to 2 decimal places. x 7.3 11.7 21.7 18.8 23.2 20.7 29.7 21.2 10.6 find the mean: find the median: find the standard deviation:
Answers: 2
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