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raketka [301]
3 years ago
13

Which student score changed the most? Student A -1 student B 0 student C -3 and student D : 2

Mathematics
1 answer:
Elis [28]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Looking at the absolute values of the students,

C is the greatest. |-3| = 3

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Vanyuwa [196]

Answer:

x = ±6

General Formulas and Concepts:

<u>Pre-Algebra</u>

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  • Equality Properties

<u>Algebra II</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

-x² = -36

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

  1. Divide -1 on both sides:                         x² = 36
  2. Square root both sides:                         x = ±6

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute in -6:                    -(-6)² = -36
  2. Exponents:                           -(36) = -36
  3. Multiply:                                -36 = -36
  1. Substitute in 6:                     -(6)² = -36
  2. Exponents:                           -(36) = -36
  3. Multiply:                                -36 = -36

Here we see that both -6 and 6 do indeed work as solutions.

∴ x = ±6 are both solutions to the equation.

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scoray [572]
Very simple: 48000 divided by 12=4000
4000
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