2 years ago

Using the figure below find what m<_7 equals. (show work if possible)

Mathematics

1 answer:

miss Akunina [59]2 years ago

8 0

Answer:

Step-by-step explanation:

m7 + m8 = Straight line = 180

So, m7 = 180 - 112 = 68

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Morgarella [4.7K]

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Nuetrik [128]

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Step-by-step explanation:

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2 years ago

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Which of the following is equivalent to the complex number -8(7i - 3i^2)

Leni [432]

Answer: B) -56i - 24

This is the same as -24 - 56i

=============================================

Explanation:

The 'i' refers to the imaginary number $\sqrt{-1}$

In other words, $i = \sqrt{-1}$

Squaring both sides gets us $i^2 = -1$

So,

$x = -8(7i - 3i^2)\\\\x = -8(7i - 3(-1))\\\\x = -8(7i + 3)\\\\x = -8(7i) -8(3)\\\\x = -56i -24 \ \ \text{ .... Answer: Choice B}\\\\x = -24 - 56i\\\\$

The result is in the form a+bi where a = -24 is the real part and b = -56 is the imaginary part.

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Brilliant_brown [7]

Answer:

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2 years ago

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Xelga [282]

Answer:

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