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Greeley [361]
3 years ago
8

If student D can solve 60% of multiple choice questions and Student B can solve 51% of the multiple choice questions and Student

C can solve 57%. The students are unaware of each other.
a) At least one can be solved
b) Probability at most one of them can be solved
c) Probability that neither of them can be solved
d) Exactly two them can be solved
Mathematics
1 answer:
SOVA2 [1]3 years ago
3 0
Do you know answer or not please give me answer
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Step-by-step explanation:

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How do you solve:<br><br> 6x + 2y = 6<br> 7x + 3y = 9
olya-2409 [2.1K]

Answer:

x = 0

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Step-by-step explanation:

6x + 2y = 6 | ×7 |

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42x + 14y = 42

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-4y = -12

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4 0
3 years ago
How do you factor 30n^2b-87nb+30b?
Rudik [331]
It's not clear whether you meant 30n^(2b) or [30n^2] b.

I will assume the latter.

b can then be factored out of all  three terms, resulting in 

b [30n^2 - 87n + 30]     = b [ 3 ] [10n^2 - 29n + 10 ]

Can you factor this further?
4 0
3 years ago
The graph of a system of equations with the same slope and the same y-intercepts will have no solution
Bumek [7]

Answer:

False.

Step-by-step explanation:

If they have the same slope and same intercept they will have the same line. So they will have infinite solutions.

5 0
4 years ago
Read 2 more answers
2 questions plz answer<br><br> i need help!<br> will do brainliest answer and Thanks
Black_prince [1.1K]
1. 9
2. 8
I hope this helped! #Sobangcha
4 0
3 years ago
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