Answer:
146
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
<u>Algebra II</u>
- Distance Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point A(2, 125)
Point B(98, 15)
<u>Step 2: Identify</u>
A(2, 125) → x₁ = 2, y₁ = 125
B(98, 15) → x₂ = 98, y₂ = 15
<u>Step 3: Find distance </u><em><u>d</u></em>
- Substitute in coordinates [Distance Formula]:

- [√Radical] (Parenthesis) Subtract:

- [√Radical] Evaluate exponents:

- [√Radical] Add:

- [√Radical] Evaluate:

Answer: -4.1
Step-by-step explanation:
0.4 - 4.5 = -4.1
Answer:
The correct option is D i.e. Quantitative because numerical values found by either measuring or counting are used to describe the data.
Step-by-step explanation:
As the number of respondents is a numerical value and is identified by counting thus it is a quantitative variable. Also all the other options are incorrect.
A is incorrect because the reason described is not the property of quantitative data.
B is incorrect because the data is not described in descriptive terms.
C is incorrect because the reason described in not a property of qualitative data.
Answer:
The ratio of boys to girls is 4:5. So let 4x be the number of boys and 5x be the number of girls. Then 4x+5x = 9x is the total number of students. Then the fraction of boys in the class is 4x/9x = 4/9.