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madreJ [45]
3 years ago
6

How many solutions does the following system have? 2x- 4y = 11 -2x + 4y = -10

Mathematics
2 answers:
rosijanka [135]3 years ago
6 0

Answer:

This system has no solution

Step-by-step explanation:

-(11+4y)+4y=-10

no solution

kotegsom [21]3 years ago
6 0

-(11+4y) + 4 = -10

There is no solution

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Read 2 more answers
Hey (; I'm taking this rigorous AP Stat course and I've mastered Binomial Sampling but this Geometric Sampling just has me stump
chubhunter [2.5K]

Answer:

1) It is geometric

a) In each trial you can obtain 11 or obtain something else (and fail)

b) Throw 2 dices and watch if the result is 11 or not

c) The probability of success is 1/18

2) It is not geometric, but binomal.

Step-by-step explanation:

1) This is effectively geometric. When you see the sum of 2 dices, you can separate the result in two different outcomes: when the sum is 11 and when the sum is different from 11.

A trial is constituted bu throwing 2 dices and watching if the sum of the dices is 11 or not.

In order to get 11 you need one 5 in one dice and 1 six in another. As a consecuence, you have 2 favourable outcomes (a 5 in the first dice and a 6 in the second one or the other way around). The total amount of outcomes is 6² = 36, and all of them have equal probability. This means that the probability of success is 2/36 = 1/18.

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