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Nady [450]
4 years ago
10

What is (-i)^5? A. -1. B. 1. C. I D-i

Mathematics
1 answer:
nika2105 [10]4 years ago
3 0

Answer:

D

Step-by-step explanation:

(-i)⁵ can be written as (-i)² * (-i)² * (-i). Since (-i)² is the same as i², this equals -1 * (-1) * (-i) which becomes -i.

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A file that is 242 megabytes is being downloaded. If the download is 18.7% complete, how many megabytes have been downloaded? Ro
PolarNik [594]

Answer:

45.3 megabytes

Step-by-step explanation:

242 x 18.7%

= 242 x 0.187 = 45.254 = 45.3 megabytes

5 0
3 years ago
How many times 7 go into 24 lesson4.2
Norma-Jean [14]

Answer:

The answer is 3.428571429

Step-by-step explanation:

Divide 7 and 24

7÷24=3.428571429

6 0
3 years ago
If (x + 1/x)^2 = 3 what is the value of x^3 + 1/x^3
Anika [276]

(x + 1/x)² = 3                 | √

<u>x + 1/x</u> = √3

According to short multiplication formula:

(a + b)³ =a³ + 3a²b + 3ab² + b³

x³ + 1/x³ = (x)³ + (1/x)³ = (x + 1/x)³ - 3x²/x - 3x/x² =

=  (x + 1/x)³ - 3x - 3/x = (<u>x + 1/x</u>)³ - 3(<u>x + 1/x</u>) =

= (√3)³ - 3√3 = 3√3 - 3√3 = 0

If (x + 1/x)² = 3 the value of x³ + 1/x³ is 0.

3 0
4 years ago
Kate bought 4 cans of soup for $2.67. How much would it cost for her to buy 10 cans?
gavmur [86]

Answer:

It would be 6.60

Step-by-step explanation:

first you have to find the price of one can, so you divided 2.67 by 4.

the answer would actually be 0.6675, but you have to stop at the tenths place for money, so in this case, it would be 0.66.

we multiply 0.66 by 10 and get 6.6 which is also 6.60

It would cost $6.60 to but 10 cans.

Idk if this helps, but I hope it does.

4 0
3 years ago
Samson bought 5 cartons that each have 20 strawberries. She already had 100 strawberries. If she then sells 100 strawberries, ho
pantera1 [17]

Answer:

100

Step-by-step explanation:

so you do 5 times 20 gives to 100 plus the 100 that she has is 200 and she sells 100 so you get 100 strawberries left

Hope this helped out jasmine.

5 0
3 years ago
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