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Maslowich
3 years ago
13

Please helppppppp :)

Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0

Answer:

5/2 + 7/2 i

Step-by-step explanation:

3+8i. + 2-I /2

= 5+7i / 2

= 5/2 + 7/2 i

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How many kitchens can Max paint with 20 gallons?
Viktor [21]
Max can paint 8 kitchens with 20 gallons.

Max can paint 6 living rooms with 26 gallons.

Max can paint 16 bedrooms with 60 gallons.

No problem!
8 0
3 years ago
Calcola el 28% de 375
Zina [86]

Answer:

Suponiendo que te refieres a calcular el 28% de 375, tu respuesta es 105.

Step-by-step explanation:

\frac{y}{375} :\frac{28}{100}

y · 100 = 28 · 375

100y = 10500

100y ÷ 100 = 10500 ÷ 100

y = 105

5 0
3 years ago
WSP CAN SOMEONE ACTUALLY HELP N EXPLAIN IM LOST
Alex787 [66]

Answer:

Option A

Step-by-step explanation:

Given expression:

  • 3x² - 10x - 8

<u>Option A</u>

⇒ (x - 4)(3x + 2)

⇒ (x × 3x) + (2 × x) + (-4 × 3x) + (-4 × 2)

⇒ (3x²) + (2x) + (-12x) + (-8)

⇒ 3x² + 2x - 12x - 8

⇒ 3x² - 10x - 8

3x² - 10x - 8 = 3x² - 10x - 8 (Yes!)

<u>Option B</u>

⇒ (3x - 4)(x - 2)

⇒ (3x × x) + (3x × -2) + (-4 × x) + (-4 × -2)

⇒ (3x²) + (-6x) + (-4x) + (8)

⇒ 3x² - 6x - 4x + (8)

⇒ 3x² - 10x + 8

3x² - 10x - 8 = 3x² - 10x + 8 (No!)

<u>Option C</u>

⇒ (3x - 4)(x + 2)

⇒ (3x × x) + (3x × 2) + (-4 × x) + (-4 × 2)

⇒ (3x²) + (6x) + (-4x) + (-8)

⇒ 3x² + 6x - 4x - 8

⇒ 3x² + 2x - 8

3x² - 10x - 8 = 3x² + 2x - 8 (No!)

<u>Option D</u>

⇒ (3x - 2)(x - 4)

⇒ (3x × x) + (3x × -4) + (-2 × x) + (-2 × -4)

⇒ (3x²) + (-12x) + (-2x) + (8)

⇒ 3x² - 12x - 2x + 8

⇒ 3x² - 14x + 8

3x² - 10x - 8 = 3x² - 14x + 8 (No!)

Since the expression of option A has the same value as the given expression, option A is correct.

5 0
2 years ago
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The area of a rectangular wall of a bam is 280 square feet. Its length is 8 feet longer than twice its width. Find the length an
daser333 [38]

Answer:

Tips: Area of rectangular wall = length × breadth. Hope above answer will help you

6 0
3 years ago
When you multiply a negative times a negative integer, the sum will be?
makkiz [27]

Answer:

a negative number times a negative number is always positive.

4 0
3 years ago
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