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vampirchik [111]
3 years ago
7

) A school playground is rectangular and has a length of 50 m and

Mathematics
1 answer:
Dominik [7]3 years ago
3 0
Daum not sure because I’m not good with math.
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-12c=96 , what is c?
olasank [31]
Just divide both sides of the equation by -12 and you get your answer. Hope that helped!
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Due tomarrow help me in this i need help in a and c
zloy xaker [14]

Answer:

A.)4x+8

C.)8x+12

Step-by-step explanation:

Same steps you did

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A bag has 2 blue marbles 3 red marbles and 5 white mardies which events have a probability greater than 3? Select three
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64

Step-by-step explanation:

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This is the question: -10.7 + (- 3.5 )
Inessa [10]

Answer:

the answer is -14.2

Step-by-step explanation:

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3 years ago
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Suppose a quiz has 12 multiple choice questions. Each question has 4 answer choices. If a student takes the quiz and randomly gu
Gnoma [55]

The probability that the student gets between 1 and 6, exclusive, questions correct will be 0.7872...

<em><u>Explanation</u></em>

If the probability of success is p , then the probability of r successes in n trials will be......

P = ^nC_{r}*(p)^r (1-p)^n^-^r

Here, the quiz has total 12 questions and each question has 4 answer choices. So, n=12 and p=\frac{1}{4}= 0.25

The student gets between 1 and 6, exclusive, questions correct. It means <u>there can be 2 or 3 or 4 or 5 questions as correct</u>. So....

The probability of 2 or 3 or 4 or 5 questions correct will be:

=^1^2C_{2}*(0.25)^2(1-0.25)^1^0 + ^1^2C_{3}*(0.25)^3(1-0.25)^9 +^1^2C_{4}*(0.25)^4(1-0.25)^8+^1^2C_{5}*(0.25)^5(1-0.25)^7\\ \\ =0.2322...+0.2581...+0.1935...+0.1032... \\ \\ =0.7872...

3 0
3 years ago
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