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statuscvo [17]
3 years ago
6

A 50% decrease followed by a 75% increase

Mathematics
2 answers:
Nataly_w [17]3 years ago
7 0
Greater than the original
Bogdan [553]3 years ago
5 0
Greater than! 25% increase
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An earthquake wave travels through 55 km of rock in 25 seconds . Which equation represents the relationship between t, the numbe
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2.2 m/s

Step-by-step explanation:

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Da<br> A<br> Solve the equation 2x^2+3=0
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Answer:

x = ±i(√6 / 2)

General Formulas and Concepts:

<u>Pre-Algebra</u>

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<u>Algebra I</u>

  • Solving quadratics

<u>Algebra II</u>

Imaginary root i

  • √-1 = i

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

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

  1. [Subtraction Property of Equality] Subtract 3 on both sides:                        2x² = -3
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  3. [Equality Property] Square root both sides:                                                    x = ±√(-3/2)
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Marianna [84]

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Step-by-step explanation:

(x^2 - 8x + 5)-(-3x^2 + 5x-9)

Subtract -3x^2 from x^2

(4x^2 - 8x + 5)-(5x-9)

Subtract 5x from -8x

(4x^2 -13x + 5)-(-9)

Subtract 9 from 5

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7 0
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