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Anarel [89]
3 years ago
15

(3x^2a - 4y^a z^3a) ^2 ...?

Mathematics
1 answer:
shusha [124]3 years ago
8 0
The answer is 9x⁴ᵃ - 24x²ᵃyᵃz³ᵃ + 16 y²ᵃz⁶ᵃ


(a - b)² = a² - 2ab + b²
(3x²ᵃ - 4yᵃz³ᵃ)² = (3x²ᵃ)² - 2 * 3x²ᵃ * 4yᵃz³ᵃ + (4yᵃz³ᵃ)² =
                         = 3²x²ᵃ*² - 2 * 3 * 4 x²ᵃ * yᵃz³ᵃ + 4²yᵃ*²z³ᵃ*² =
                         = 9x⁴ᵃ - 24x²ᵃyᵃz³ᵃ + 16 y²ᵃz⁶ᵃ
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Step-by-step explanation:

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On the first day of vacation, you read one-quarter of a novel. On the second day, you read half of the remaining pages. On the t
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The computation shows that the number of pages is 320.

The number of pages read in this second day will be 120.

<h3>How to illustrate the information?</h3>

Fraction read on first day = 1/4

Fraction news on second day = 1/2 × 3/4 = 3/8

Fraction read on last day = 1 - (1/4 + 3/8) =3/8

The number of pages that the book has will be:

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The number of pages is 320.

b. The number of pages read on this second day will be:

= 3/8 × 320

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If there are five different breads, eight meats, five cheeses, and five special sauces, how many different sandwiches are possib
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