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Vaselesa [24]
3 years ago
8

There are 12 students in a classroom, including the triplets joey, chloe, and zoe. If 3 of the 12 are randomly selcted to give s

peeches, what is the probability that joey with be first, chloe will be second, and zoe will be third?
A: 1/1320 B: 1/4 C: 1/48 D: 1/220
Mathematics
2 answers:
BARSIC [14]3 years ago
8 0
The probability of Joey being first is 1/12. If that happens the probability of Chloe going next is 1/11. Then the probability of zoe being picked next would be 1/10. Then if you multiply all the fractions I gave you you would get 1/1320 which is A. So A. Is your answer!! Hope this helps you out!!
grin007 [14]3 years ago
6 0

Answer:

it is 1/1320

Step-by-step explanation:

cuz it is obviously higher with specific students than with random ones

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dezoksy [38]

Answer: Total amount earned by Laney in 4hour=$138

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Step-by-step explanation:

Since

Maka charges can be modeled by the equation F=30h+14,

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With 14 being the charge in dollar for travel expenses.

Laney charging $10 for travel expenses plus $32 per hour of tutoring can also be represented as

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Such that total amount earned by

Maka in 4hours gives

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F=30x4 +14

F=120+14=$134

In the same vein the total amount earned by Laney in 4hours gives

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The difference in money earned by Laney and Maka = $138-$134= $4

7 0
3 years ago
What is the smallest positive integer N such that the value 70 + 30(N) is not a prime number?
matrenka [14]
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Brilliant_brown [7]

Answer:

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https://www.humbleisd.net/cms/lib2/TX01001414/Centricity/Domain/3611/Square%20Root%20Graphs%202015.pdf

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Step-by-step explanation:

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astra-53 [7]
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