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Aleonysh [2.5K]
3 years ago
8

You are driving in a car with your brother and your sister. As you approach the next corner, your brother tells you to turn left

, but your sister tells you to turn right. Let event A be doing what your brother tells you and event B is doing what your sister says. We can conclude that events A and B are:
Mathematics
1 answer:
Reika [66]3 years ago
5 0

Answer:  d. mutually exclusive

Step-by-step explanation:

Mutually exclusive events are those events that cannot happen at the same time. If one event happens, the other has a zero chance of happening at the same time.

Event A and Event B here are Mutually Exclusive because you cannot turn left and right at the same time. If you listen to your brother and turn left, you cannot also listen to your sister and turn right at the same time.

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Whats the answer for 10p+(-5)+(-y)+(-10p)
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If there are 30 chopsticks in a drawer with 47 pieces of silverware, what is the ratio of chopsticks to silverware?
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Answer: the ratio is 30:47

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Answer:

Step-by-step explanation

  1. Let x be the number of adults and y the number of kids

We can then write this two equations :

          x+y= 33

          15x+7y= 311

  • let's solve the two eaquations

to do that we should combine them both in a way that help us get rid of one of the variables.

             Let's multiply the first equation by -7 to get rid of y by adding it to thr second equation

             -7x-7y= -231

        now add both equations .

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let's go back to the first equation ( x+y= 33) and replace x with 10

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that is true

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