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aev [14]
3 years ago
13

I need help with this PSAT math problem. The correct answer is D but I don't know how to get that

Mathematics
2 answers:
Alexandra [31]3 years ago
6 0
The answer should be C

Grace [21]3 years ago
5 0
The answer should be B
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The mean number of sick days taken by the employees of Company A is 9, with the number of days taken ranging from 0 to 16. The m
Leona [35]

Answer:

The answer is D.

Step-by-step explanation:

The range of company A is 16 (16-0=16)

The range of company B is 7 (9-2=7)

Therefore, 16>7

8 0
3 years ago
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which of the following ordered pairs is a solution of the equation -2y + 9 = -x? A.(2,5) B.(-3,15) C.(4,-1)
vlada-n [284]

Answer:

Step-by-step explanation:

-2y + 9 = -x

x - 2y = -9

Plug in each set of points and see if the equation holds true.

A. 2 - 2(5) = ?

B. -3 - 2(15) = ?

C. 4 - 2(-1) = ?

I don't think that any of them work.

4 0
3 years ago
Plsss help i’ll give brainliest if you give a correct answer
bonufazy [111]

Answer:

it a

Step-by-step explanation:

3 0
3 years ago
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Enter an expression equivalent to (3x^2+2y^2-3x) + (2x^2+y^2-2x) - (x^2 + 3y^2 +x)
11111nata11111 [884]

Answer:

4x² - 6x

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<u> </u>

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

(3x² + 2y² - 3x) + (2x² + y² - 2x) - (x² + 3y² + x)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute negative:                                                    3x² + 2y² - 3x + 2x² + y² - 2x - x² - 3y² - x
  2. Combine like terms (x²):                                                                                   4x² + 2y² - 3x + y² - 2x - 3y² - x
  3. Combine like terms (y²):                                                                                   4x² - 3x - 2x - x
  4. Combine like terms (x):                                                                                    4x² - 6x
4 0
3 years ago
Solve 3x-2y=2; -5x+5y=-10 by elimination
never [62]

Answer:

x=−2 and y=−4

5 0
3 years ago
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