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loris [4]
3 years ago
14

What is the difference of 12-5i and -3 + 4i

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
5 0
Imma follow up the answer above i don’t think it’s carrot but the color orange does have a good feel to it
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The question I have is this 90+30+a=180
pashok25 [27]

Answer:

a = 60

Step-by-step explanation:

90 + 30 = 120

120 - 180 = 60

4 0
3 years ago
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A biologist wants to know the width w of a river in order to properly set instruments for studying the pollutants in the water.
belka [17]

Answer:   The river is 148.3 feet wide.

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

The triangle formed is a right triangle.

Using SOH CAH TOA

tan 56 = \frac{x}{100}

Multiplying 100 in both sides

x = 100 \times tan56

x = 100 \times 1.4826

x = 148.26

Rounding to the one decimal place

x = 148.3

Hence river is 148.3 feet wide.   .............. Answer

Hope it will help :)

6 0
3 years ago
If DAB = 80°, then DAC =
vodka [1.7K]

Answer:

80

Step-by-step explanation:

DAB =DAC...........

6 0
2 years ago
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A mailbox that is 36 inches tall is beside a tree.The length of the mailboxes shadow is 28 inches.The length of the trees shadow
Eduardwww [97]

Answer:

The tree is 126 inches which is 10.5 feet.

Step-by-step explanation:

36x98= 3528

3528=28x

3528/28=126/12=10.5

6 0
3 years ago
Which of the following terms correctly describes 4 : 1? A- Ratio B- Fraction C-Percent D- Factor
kvv77 [185]

Sabrehalrubeai,

In order to find the correct answer to this question we need to go over all of the options to see which one is the correct answer.

  • Ratio: 6 : 9 <---- Your answer....
  • Fraction: \frac{6}{9}
  • Percent: 35%
  • Factor: 4 \times 3 = 12

Therefore your answer is option A "ratio."

Hope this helps!

6 0
3 years ago
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