PLS HELP ME THIS IS Probability (Single event) PLS HELP ME

Mathematics

2 answers:

Mila [183]3 years ago

7 0

Answer:

I believe it is a 50% chance because there are only two sides to the coin. 100 divided by two is 50.

Step-by-step explanation:

I'm not sure if that is the way you are supposed to solve it. Sorry if the answer is incorrect.

ZanzabumX [31]3 years ago

4 0

Answer: I would say 50%

Step-by-step explanation: Because there is a 50 50 chance on getting heads or tails.

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A middle school principal wants to change the lunch menu at the school. The principal surveys the students to determine how the

natita [175]

Answer:

B: Survey 3 randomly selected students from every homeroom.

Step-by-step explanation:

This would be the best way to survey, because all the others have some sort of variable. The principle doesn't know who buys lunch and who doesn't, so why would he just ask kids who ride in a car as there are kids who ride buses, or only 7th grade students, so the best answer would be something that everyone has, like homeroom.

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3 years ago

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What is the domain of the function

Ksenya-84 [330]

Answer:

$x\geq -6$

Step-by-step explanation:

The domain of a function is all of the values that $x$ can be under that specific function. In this case, we're asking what values of $x$ allow $\sqrt{\frac{1}{3} x+2}$ to exist.

In order for square roots to exist, the quantity under the square root must be greater than or equal to $0$ , because you can't take the square root of a negative number. Therefore, we can write the following inequality to solve for $x$ :