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Marysya12 [62]
3 years ago
9

(65 POINTS AND BRAINLYEST)

Mathematics
2 answers:
lana [24]3 years ago
7 0

Answer:

1) 5×5×5

2) False

3) False

Step-by-step explanation:

5³ basically means 5 is multiplied thrice, i.e

5 × 5 × 5

4² = 4×4 = 16

4² is 16, not 8

(-3)² = -3 × -3 = 9

-(3)² = -9

FromTheMoon [43]3 years ago
7 0

Answer:

5×5×5

False

False

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Round 1.24236 to the nearest hundredth
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2 years ago
Solve. 7x−6=8+5x Enter your answer in the box. x =
Alinara [238K]

Answer:

x = 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

7x - 6 = 8 + 5x

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

  1. Subtract 5x on both sides:                    2x - 6 = 8
  2. Add 6 to both sides:                              2x = 14
  3. Divide 2 on both sides:                          x = 7

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    7(7) - 6 = 8 + 5(7)
  2. Multiply:                               49 - 6 = 8 + 35
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Here we see that 43 does indeed equal 43.

∴ x = 7 is a solution of the equation.

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