2 years ago

Could you help me with these questions pls?

Mathematics

2 answers:

KIM [24]2 years ago

6 0

The answer for number 12 is 1.5

katovenus [111]2 years ago

4 0

Answer:

12. is 1 1/2

Step-by-step explanation:

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NemiM [27]

Given:

Planes X and Y are perpendicular to each other
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3 years ago

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lorasvet [3.4K]

4(x+9)

Solution

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4x+4×9

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Answer:

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2 years ago

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Dmitriy789 [7]

Answer:

$- \frac{3}{13} + \frac{15i}{13}$

Step-by-step explanation:

$\frac{ \sqrt{ - 36} }{(2 - 3i) + (3 + 2i)}$

Set up equation

Step 1: Simplify

$\frac{6i}{5 - i}$

Step 2:Multiply by conjugate

$\frac{6i}{5 - i} \times \frac{5 + i}{5 + i}$

Step 3:Simplify

$\frac{30i + 6 {i}^{2} }{ {i}^{2} - 5 {}^{2} }$

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2 years ago

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TEA [102]

Answer:

(b) 17 1/3

Step-by-step explanation:

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A number is written as a whole number and a fraction

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3 years ago