3 years ago

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

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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 :)

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3 years ago

If DAB = 80°, then DAC =

vodka [1.7K]

Answer:

Step-by-step explanation:

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

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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

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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