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jeka94
3 years ago
12

Which of these could be considered a statistical question? A.How many pets does Tom have at home? B.On average, how many plants

do the students in your class have at home? C.How old is Joan’s sister?
Mathematics
1 answer:
meriva3 years ago
5 0

Answer:

<h2>B. On average, how many plants do the students in your class have at home?</h2>

Step-by-step explanation:

A statistical question must have the characteristic of variability, that is, it must be a question that can be answered by a collective, where each person has a slaightly or big different answer, because all of them are different, that's the variability ingredient.

Among the options, you can notice that only B has this characteristic, it's the only statistical question. In other words, question A and C are questions about one person, they don't have variability.

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What Ps the value<br>of (100)^o​
Bond [772]

Answer:

(100)^0=1

Step-by-step explanation:

This follows the laws of indices

6 0
3 years ago
What is the answer for h/8=3/12 in algebra
enot [183]
When you simplify 3/12, it's 1/4.
h/8 is equal to 1/4 so you want to multiply 2 for 1/4 which it becomes 2/8
Therefore h is 2

5 0
3 years ago
x^2-8x+15=0 solve the equation by completing the square. Round your solutions to the nearest hundredth, if necessary.
zaharov [31]

Answer:

x = 3, 5

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients/Degrees
  • Standard Form: ax² + bx + c = 0
  • Multiple Roots
  • Factoring
  • Completing the Square: -b/(2a)

Step-by-step explanation:

<u>Step 1: Define</u>

x² - 8x + 15 = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 15 on both sides:                     x² - 8x = -15
  2. Complete the Square [Addition Property of Equality]:                                 x² - 8x + 16 = -15 + 16
  3. [Complete the Square] Simplify:                                                                   (x - 4)² = 1
  4. [Equality Property] Square root both sides:                                                  x - 4 = ±1
  5. [Addition Property of Equality] Add 4 on both sides:                                   x = 4 ± 1
  6. Evaluate:                                                                                                          x = 3, 5
7 0
3 years ago
What are all the solutions of x2 + 3x – 4 = 0?<br> -4<br> -2<br> -1<br> 0<br> 1<br> 2<br> 4
Alex17521 [72]

Answer: 1, -4

Step-by-step explanation:

Move all the terms to the left side and set equal to zero. Then set each factor equal to zero. X= 1,-4

7 0
2 years ago
What is the value of 4 + 5x when x = 3?
Schach [20]

Answer:

19

Step-by-step explanation:

5 times 3 is 14 plus 4 is 19

6 0
3 years ago
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