Mathematics, 26.05.2021 23:50 alliaespino
A cup on the teacher's desk contains 12 pens. There are 3 pens with blue ink and 9 pens with black ink. One student at a time selects a pen at fundam to sign the attendance sheet and then puts the pen back in the cup. What is the probability that the first three students all randomly select a pen with blue ink?
A.1/4
B. 1/27
C. 1/64
D.1/220
Answers: 3
Mathematics, 21.06.2019 19:30
Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)
Answers: 1
Mathematics, 21.06.2019 23:40
You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?
Answers: 2
Mathematics, 22.06.2019 00:00
Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.
Answers: 2
A cup on the teacher's desk contains 12 pens. There are 3 pens with blue ink and 9 pens with black i...
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