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Alex73 [517]
3 years ago
6

I buy a MP3 player for £40 in a sale where it was 20% off. What was the original price

Mathematics
2 answers:
Vaselesa [24]3 years ago
7 0
The answer is 48 pounds because i did the math
natta225 [31]3 years ago
6 0
20% off means you paid only 80% of the original price.
0.8x=40
x=40÷0.8=50
so the original price is 50
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Write (1-i)-(4-5i) as a complex number in standard form. I don't exactly get how to do this.. Can anyone help?
elena-s [515]
You just subtract. The standard form of a complex number is a+bi 
1 - 4 = -3
-i - (-5i) = 4i
The answer is -3 + 4i
3 0
3 years ago
Helppp mehhh pleaseeeee
Lilit [14]

Answer:

ur a disgrace to humanity live longer

7 0
3 years ago
Select the correct answer.
yan [13]

Answer:

the money spent by a buyer to purchase a product

6 0
3 years ago
Read 2 more answers
Please help FAST! WILL MARK BRAINLIEST!
belka [17]

Answer: C. is the right answer.


Step-by-step explanation:

Given: The cost of a chessboard at Odyssey Gifts is $6.

The function F(x) = 6x gives the cost of x chessboards.

Since x is the number of chessboards, thus the domain of the function should be the set of whole numbers.

Therefore, Domain= {0,1,2,3,4,5,....................}

when we put the values for x from the domain in the function we get values multiples to 6.

therefore range of the function={0,6,12,18,24,30,......}

Hence, C is the right option.


3 0
3 years ago
2. A triangular pyramid begins with these coordinates:
Bogdan [553]
General rule for the reflection. r(x,y,z)= f(x,-y,z)

Results:
P: (0, - 5, 4)
Y: (-2, - 7, 4)
R: (0, - 7, 4)
A: (0, - 7, 6)

General rule for the translation: t(x,y,z) = r(x+2, y-4,z+3)

Result:

P: (0-2, -5+4 , 4-3) = (-2, -1, 1)
Y: (-2-2, - 7+4, 4-3) = (-4, -3, 1)
R: (0-2, - 7+4, 4-3) = (-2, -3, 1)
A: (0-2, - 7+4, 6-3) = (-2, -3, 3)


 

 


6 0
3 years ago
Read 2 more answers
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