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valkas [14]
3 years ago
9

Which expression is equivalent to (4 + 7¡)(3 + 4¡)?

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0

Answer:

37i-16

Step-by-step explanation:

(4+7i)(3+4i)

12+21i+16i+28i^2

12+37i+28(-1)

37i+12-28

37i-16

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Put 0.4 repeating into a fraction​
aliina [53]

Answer:

2/5=0.4=40%

Step-by-step explanation:

because if you divide 2/5 you'll get 0.4.  if you want to put that in a percent you'll multiply 0.4 and 100 and you should get 40%.

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3 years ago
How many times greater than √2 is√32?<br><br> Can anybody help out here?
Anarel [89]

Answer:

4

Step-by-step explanation:

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2 years ago
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NARA [144]

Answer: 3/64

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3 years ago
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BigorU [14]

Answer:

<u><em>The original price would be 50$.</em></u>

Step-by-step explanation:

To find this answer you have to divide 25% by 100, which equals 0.25.  Now multiply 0.25 by 40 and you get 10$.  Since 10$ was the discount, you just add 10$ + 40$, therefore 50$ is the original price.

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