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vazorg [7]
3 years ago
6

(6-2i)+(-7+i)imaginary numbers simplify

Mathematics
1 answer:
Anastasy [175]3 years ago
8 0
The answer to this is -1 - i
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The difference of 5x and 12<br> Use n for 'a number'. Do NOT use x for times
sp2606 [1]

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can you explain more pls

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7 0
2 years ago
Multiply. 25.5 × 5.46
Oksana_A [137]

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139.23

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Tessellations
Black_prince [1.1K]

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D. (4,3)

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I calculated it logically

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Answer with the explanation step by step
andrey2020 [161]

Answer:

The answer is A. \frac{3(x-21)}{(x+7)(x-7)}.

Step-by-step explanation:

To find the difference of this problem, start by simplifying the denominator, which will look like \frac{3}{x+7}-\frac{42}{(x+7)(x-7)}. Next, multiply \frac{3}{x+7} by \frac{x-7}{x-7}  to create a fraction with a common denominator in order to subtract from \frac{42}{(x+7)(x-7)}. The problem will now look like \frac{3}{x+7}*\frac{x-7}{x-7}-\frac{42}{(x+7)(x-7)}.  

Then, simplify the terms in the problem by first multiplying \frac{3}{x+7} and \frac{x-7}{x-7}, which will look like \frac{3(x-7)}{(x+7)(x-7)}-\frac{42}{(x+7)(x-7)}. The next step is to combine the numerators over the common denominator, which will look like \frac{3(x-7)-42}{(x+7)(x-7)}.

Next, simplify the numerator, and to simplify the numerator start by factoring 3 out of 3(x-7)-42, which will look like \frac{3(x-7-14)}{(x+7)(x-7)}. Then, subtract 14 from -7, which will look like \frac{3(x-21)}{(x+7)(x-7)}. The final answer will be \frac{3(x-21)}{(x+7)(x-7)}.    

4 0
3 years ago
Work out the area of the tile.
zzz [600]

Answer:

190 cm²

Step-by-step explanation:

Use the area of a trapezium formula: \frac{1}{2} (a+b)h

where a and b are the top and bottom bases, and h is the height.

Therefore,

area = \frac{1}{2}\times (12+26)\times10 = 190 cm²

5 0
2 years ago
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