Mathematics, 06.01.2020 14:31, kayabwaller4589
Mary lou has 2 more nickels than pennies, and she has 30 coins all together. use x for the number of pennies.
a) 2(x + 2) = 30
b) x + (x + 2) = 30
c) 2x + 30 = 5
d) x + 2 = 30
Answers: 3
Mathematics, 21.06.2019 17:20, polarbear3787
Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be
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Mathematics, 21.06.2019 21:30, mandyangle01
Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?
Answers: 3
Mathematics, 21.06.2019 21:40, janetexcoelho
Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.
Answers: 1
Mathematics, 21.06.2019 22:40, Savannahh8503
Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.
Answers: 3
Mary lou has 2 more nickels than pennies, and she has 30 coins all together. use x for the number of...
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