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horsena [70]
4 years ago
5

Can somebody please help. Thank you

Mathematics
1 answer:
devlian [24]4 years ago
6 0

Answer:

15 degrees.

Step-by-step explanation:

  1. 5x + x + 90 = 180.
  2. 6x + 90 = 180.
  3. 6x = 90.
  4. x = 15.

These are all of the steps to completely get the correct answer to this question.

Hope this helps!!!

Kyle.

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I thought of a 2 digit number. The digits of my number are different. The unit digit of my number is the tens digit raised their
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Answer:

Step-by-step explanation:

I thought of a 2 digit number. The digits of my number are different:  [XY]

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What is the sum of 12 – 5i and –3 + 4i?<br> –16 + 63i <br>9 – i <br>9 – 9i <br>15 – 9i
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Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{9 - i}}}}}

Step-by-step explanation:

\sf{12 - 5i + ( - 3 + 4i)}

When there is a ( + ) in front of an expression in parentheses, there is no need to change the sign of each term. That means, the expression remains the same. Just remove the parentheses

\longrightarrow{ \sf{12 - 5i - 3 + 4i}}

Collect like terms

\longrightarrow{ \sf{ 12 - 3 - 5i + 4i}}

Subtract 3 from 12

\longrightarrow{ \sf{9 - 5i + 4i}}

Collect like terms

\longrightarrow{ \sf{9 - i}}

Hope I helped!

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Someone help me right now pls
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Answer:

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Step-by-step explanation:

90 degrees and 180 degrees

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