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Simora [160]
3 years ago
10

Solve for u. 3u + 4 = 7

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
6 0
  • <em>Answer:</em>

<em>u = 1</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>3u + 4 = 7</em>

<em>3u = 7 - 4</em>

<em>3u = 3</em>

<em>u = 3 : 3</em>

<em>u = 1</em>

<em>Good luck !</em>

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asambeis [7]

Answer:

see below

Step-by-step explanation:

x⁵ - 8x⁴ + 22x³ - 26x² + 21x - 18 = 0

x = 2,  x = ± i,   x=3  with multiplicity 2

-----------------------------------------------------

x⁴ - 5x³ + 7x² - 5x + 6 = 0

x = 2,   x=3,   x = ± i

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<u>-1 + 4i</u>    =  4 + i

    i

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x³ - 26x² + 21x - 18 = 0

x = ± 2i,   x = 3/2

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(1 + i) (-3 - 4i)

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6.

(-5 + 2i) + (3 - 6i)

= -2 -4i

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7.

x⁴ + 5x² + 4 = 0

x = ± i ,     x = ± 2i

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8.

(7 - i) - (-5 + 6i)

= 12 - 7i

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(4 - i) (4 + i)

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10.

(3 + 8i) (4 - 3i)

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3 0
3 years ago
A six-sided die with sides labeled 1 through 6 will be rolled once. Each number is equally likely to be rolled.
ivanzaharov [21]

Answer:

2/3

Step-by-step explanation:

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That's four numbers that are greater then two.

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VLD [36.1K]
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Answer: Terry should buy the half-liter of water that costs $2.11 because buying 200 litres here is cheaper.

Step-by-step explanation:

Terry is buying water and needs 22 liters. A half-liter of water costs $2.11. Using this information, 22 litres will cost:

= 22 ÷ 1/2 × 2.11

= 22 × 2 × 2.11

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Also, A 200 -milliliter container of water costs $1.01. Using this information, 22 litres will cost:

= 22 × 1.01 ÷ 200/1000

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3 years ago
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