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Triss [41]
3 years ago
9

Need the answer asapp with the working out please thanks :)

Mathematics
1 answer:
patriot [66]3 years ago
7 0
Hi,

The two numbers should be 12 and 30. 12=2x2x3 while 30=2x3x5.

Their HCF is 2x3=6 and their LCM is 2x3x2x5. Because of their HFC, we know that they are both multiple of 6. Also, the question says they both are GREATER than 6, so they can’t be 6 but are 6 times “something”. Thanks to the LCM, we know that “something” is equal to 2 for the first number and to 5 for the second one, the numbers hence being 12 and 30.

I hope this helps. If I was not clear enough or if you’d like further explanation please let me know. Also, English is not my first language, so I’m sorry for any mistakes.
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Answer:

D. 110

Step-by-step explanation:

30+40=70

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Match the graph with the correct set of equations for the linear system. Then, classify the system as Consistent and Dependent,
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Answer:

Consistent independent

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Step-by-step explanation:

<u>Inconsistent</u>: parallel lines, no solutions

<u>Consistent dependent</u>: same line, infinite solutions

<u>Consistent independent</u>: intersects at one point, one solution

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From inspection of the diagram:

One line has a negative slope and the other a positive slope.

One has a y-intercept of 0 and the other a y-intercept of -8.

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2 years ago
bag has five red marbles, six blue marbles, and four black marbles. What is the probability of picking a red marble, replacing i
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Total marbles in the bag = 15
Red marbles in the bag  =  5

Probability of picking a red marble the first time = 5/15 .
If you put it back, then everything goes back to the beginning.

Probability of picking a red marble the second time = 5/15 .
If you put it back, then everything goes back to the beginning.

Probability of picking a red marble the third time = 5/15 .
If you put it back, then everything goes back to the beginning.

Probability of picking a red marble the fourth time = 5/15 .
If you put it back, then everything goes back to the beginning.
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Probability of picking a red marble the 20th time = 5/15 .
If you put it back, then everything goes back to the beginning.
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Probability of picking a red marble the ' Nth ' time = 5/15 .
If you put it back, then everything goes back to the beginning.


Probability of picking a red marble ' N ' times in a row = (5/15)^N.

Probability of picking a red marble 3 times in a row  = (5/15) (5/15) (5/15).

Probability of picking a red marble 2 times in a row = (5/15) x (5/15)

                                                                       =  (25/225) = 1/9

                                                                       =      11.1%  (rounded).


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