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gregori [183]
3 years ago
13

PLEASE ANSWER

Mathematics
2 answers:
Nata [24]3 years ago
6 0

Answer: 5%

Step-by-step explanation:

irga5000 [103]3 years ago
3 0

the answer would be 5% because 56 is 20% of 280 and thats 4 years so you divide by 4 which gets you 5%.

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A) 2x-5y=10
r-ruslan [8.4K]

Answer:

Step-by-step explanation:So to find it you need to eliminate either x or y. 2x-5y=10 over 4x-10y=20. In order to get y to eliminate you need one equation to have a positive 10y and a negetive 10y. So you multiply both sides of the first equation by negetive 2 so it is now, -4x+10y=-20. Notice how all the numbers in both equations are opposite this gives us ims infinitaly many sollutions. So it is not A. Or b it will do the same thing. The answer is either D or C hope this helps

5 0
3 years ago
Eqyivalent expresion to 3√m^2n^5
Irina18 [472]
The first step to solving this expression is to factor out the perfect cube
\sqrt[3]{m^{2}  n^{3} X n^{2}   }
The root of a product is equal to the product of the roots of each factor. This will make the expression look like the following:
\sqrt[3]{ n^{3} } \sqrt[3]{ m^{2} n^{2}  }
Finally,, reduce the index of the radical and exponent with 3
n\sqrt[3]{ m^{2} n^{2}  }
This means that the correct answer to your question is n\sqrt[3]{ m^{2} n^{2} } .
Let me know if you have any further questions
:)
8 0
3 years ago
This equation has one solution. 5(x – 1) + 3x = 7(x + 1) What is the solution?
bogdanovich [222]
Open up the brackets
5x - 5 + 3x = 7x + 7
Collect like terms
5x + 3x - 7x = 7 + 5
Simplify
8x -7x = 12
x = 12
Therefore, your answer is 12.
5 0
3 years ago
Read 2 more answers
The number 512 is a perfect cube because 512 = 83.
alexgriva [62]

Step-by-step explanation:

the number which is a perfect cube :

125, because 125 = 5³

3 0
3 years ago
Read 2 more answers
Which of the following is an arithmetic sequence? A.4, 6, 10, 16, 26 B. 4, 16, 64, 256 C. 5, 12, 17, 29, 46 D. 3, 7, 11, 15, 19
LiRa [457]
C. 5, 12, 17, 29, 46
6 0
3 years ago
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