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mamaluj [8]
4 years ago
9

Express the complex number in trigonometric form.

Mathematics
1 answer:
4vir4ik [10]4 years ago
5 0
The point 2 units along the -i axis is at an angle of 270° from the +real axis. Hence the best choice is ...
  C) 2(cos(270°) +i·sin(270°))
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Two trains leave the same station at the same time, but are headed in opposite directions. One train travels at 70 mph and the o
uranmaximum [27]

Let

x--------> the time in hours

y-------> the distance in miles

we know that

The speed is equal to

Speed=\frac{distance}{time}

in this problem

Speed=\frac{y}{x}

y=(Speed)*x

<u>Equation First Train</u>

y1=70x

<u>Equation Second Train</u>

y2=80x

y1+y2=600\ miles ---------> equation 1

Substitute the values of y1 and y2 in the equation 1

70x+80x=600

Solve for x

150x=600

x=4\ hours

therefore

<u>the answer is</u>

4\ hours

4 0
3 years ago
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3. The triangular prisms shown below are
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Answer:

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If you want help, could you take a pic of the prisms. I'd be happy to help then!

Step-by-step explanation:

4 0
3 years ago
Find the balance in the account after the given period. ​$2000 principal earning 6​% compounded​ annually, for 8 years. The bala
Harman [31]
Do 2000 divided by 8 than divided that by 6%
8 0
4 years ago
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Under federalism who was directly responsible for protecting the people​
Alex Ar [27]

Answer: The knights were responsible for protecting the people.

6 0
3 years ago
Please help i have an F right now
AnnZ [28]

Answer:

4

Step-by-step explanation:

If you add up all of those, you get 24. Then you divide by 6. 24/6 = 4.

7 0
3 years ago
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