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Alenkasestr [34]
3 years ago
5

If there are 23 students in your class, and your teacher is pulling random names from a hat, what is the probability that your n

ame will be pulled on the third pull?
3/21
3/23
1/23
1/21
Mathematics
2 answers:
iragen [17]3 years ago
6 0

Answer:

1/21

Step-by-step explanation:

If you are the third one to be picked, then you subtract 3 students from the total number of students. That would be 21. The possibliity that you get picked out of 21 students is 1 out of 21, so 1/21

krok68 [10]3 years ago
3 0

If the teacher isn't putting the names back in the hat then it would be 1/21 if she is then 1/23

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What is the output value of (4x+2)(x-5)/2 using input value of x=2
Firdavs [7]

Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

(4x + 2)(x - 5) / 2

x = 2

<u>Step 2: Evaluate</u>

  1. Substitute:                             (4 · 2 + 2)(2 - 5) / 2
  2. Parenthesis - Multiply:          (8 + 2)(2 - 5) / 2
  3. Parenthesis - Add:                10(2 - 5) / 2
  4. Parenthesis - Subtract:         10(-3) / 2
  5. Multiply:                                 -30 / 2
  6. Divide:                                    -15
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3 years ago
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vazorg [7]
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f(x)=23,000(1.02)^x
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6 0
4 years ago
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