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Sophie [7]
2 years ago
7

Find all cube roots of -1000i

Mathematics
1 answer:
NemiM [27]2 years ago
3 0

Answer:

10i

Step-by-step explanation:

Since i^2 = -1, and 1000 = 10^3, we can instinctively guess that the answer is 10i. We can validate this by cubing it, yielding 1000i^3, or -1000i.

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a block of apartments have 20 floors with 20 windows on each floor how many windows does the block have all together​
bija089 [108]

Answer:

There are 420 windows.

Step-by-step explanation:

If the ground floor is part of the 20 =>

20.20=400

There are 400 windows.

If the ground floor is not part of the 20=>

20.20+20=420

There are 420 windows.

4 0
3 years ago
What is the slope of the line with equation y=12x
fomenos
  <span>When you have an equation of the form y = mx + b (which you do in this case), the slope is always equal to the coefficient of x, which is m or 12 in this case. Since there is no "b" in your equation, you could say that b=0, and the line is known to cross the y axis at zero. 

In case you are interested, if the equation said y = 12 x + 3 the slope of the line would still be 12 but the line would cross the y axis at 3. If the equation said y = 12x -4, the line would have a slope of 12 and would cross the y axis at -4.</span>
5 0
3 years ago
How do I solve 8/9x=8+4/9x
zhuklara [117]
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4 0
3 years ago
John is making a circular table that has a top with a diameter of 24 inches. Find the circumference of the table and round to th
aksik [14]

Answer:

The cirumference would be 78.5.

24*pi would equal 75.5398163397 so just round that.

Hope this helped

5 0
3 years ago
Jacob went shopping to buy a new pair of jeans. After paying an 8% sales
lukranit [14]
64.80-0.08=59.62

59.62 is the original price of the pants
8 0
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