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Vesna [10]
3 years ago
8

write an expression with (-1) as its base that will produce a positive product, and explain why your answer is valid​

Mathematics
1 answer:
Marina CMI [18]3 years ago
5 0

Answer:

{( - 1)}^{2}  \:  =  \: 1

{( - 1)}^{0 }  =  \: 1

Step-by-step explanation:

When we square a number (either positive or negative) the resultant no. is a positive one.

Also when a negative base has exponent 0 , the resultant number is +1 .

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3 years ago
The sum of four times a number and five times another number is -28. The sum of nine times the first number and two times the se
dedylja [7]

Answer:

  -8

Step-by-step explanation:

If we let x and y represent the first and second numbers, respectively, we can write the problem statement as the equations ...

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We can multiply the first equation by -9 and add 4 times the second equation to get an equation in y alone:

  -9(4x +5y) +4(9x +2y) = -9(-28) +4(11)

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The second number is -8.

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4 years ago
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Answer:

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-hope that helps! =)

6 0
3 years ago
A year on mars is 1.88 times as long as a year n Earth.An Earth year lasts 365.3 days.Find the legth of a year on mars.
Kazeer [188]
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