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Natasha2012 [34]

3 years ago

9

Find complex numbers z=(x,y) such that

exFormula1" title="z ^{2} = - 5 - 12i" alt="z ^{2} = - 5 - 12i" align="absmiddle" class="latex-formula">

1 answer:

Fed [463]3 years ago

3 0

Answer:

I don't know..,.............,,.,.......,

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There is a sales tax of $6 on an item that costs $63 before tax. A second item costs $210 before tax. What is the sales tax on t

Law Incorporation [45]

The first thing you should do in this case is calculate the tax percentage.
We then have to apply the following rule of three:
$ 63 ----> 100%
6 $ ------> x
Clearing x we have:
x = (6/63) * (100)
x = 9.523809524%
Therefore the taxes of the second item will be
Tax = (9.523809524 / 100) * 210
Tax = 20 $
Answer:
The sales tax on the second item is:
Tax = 20 $

7 0

4 years ago

What is the 30th term of the sequence 7, 16, 25, 34,

olasank [31]

First, find the difference between each number in the sequence.... 34 - 25 = 9. 25 - 16 = 9 and 16 - 7 = 9... So, there is a constant difference of 9 between each number of the sequence. To find the 30th term, you could expand the sequence out to 30 (which is a good way to check your answer, but tedious)... So, simply add the 1st value of the sequence to the difference and multiply by 30 to find your 30th value.... 7 + 9 x 30 = 16 x 30 = 480.

Therefore, the 30th term is 480.

7 0

3 years ago

Oooooooooooooooooooo

jolli1 [7]

Answer:

Third choice

Step-by-step explanation:

the answer is the one with

9 18

-13 -14

3 0

4 years ago

I need some help. I will try to give brainliest

Rudiy27

Answer:

Step-by-step explanation:

7 0

3 years ago

BEST ANSWER GETS BRAINLIEST!!!!!!!!

Ad libitum [116K]

Answer:

(x + 6, y + 0), 180° rotation, reflection over the x‐axis

Step-by-step explanation:

The answer can be found out simply , a trapezoid has its horizontal sides usually parallel meanwhile the vertical sides are not parallel.

The horizontal parallel sides are on the x-axis.

Reflection over y- axis would leave the trapezoid in a vertical position such that the trapezoid ABCD won't be carried on the transformed trapezoid as shown in figure.

So option 1 and 2 are removed.

Now, a 90 degree rotation would leave the trapezoid in a vertical position again so its not suitable again.

In,The final option (x + 6, y + 0), 180° rotation, reflection over the x‐axis, x+6 would allow the parallel sides to increase in value hence the trapezoid would increase in size,

180 degree rotation would leave the trapezoid in an opposite position and reflection over x-axis would bring it below the Original trapezoid. Hence, transformed trapezoid A`B`C`D` would carry original trapezoid ABCD onto itself

8 0

3 years ago