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andreyandreev [35.5K]
3 years ago
13

Explain the diffrent between (-5)^2 and -5^2

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
7 0

Answer:

Step-by-step explanation:

The difference would be that for (-5)^2 you would have to do anything that was in the parenthesis first and then square it up, but for -5^2 you would just square it up immediately. In this specific case both outcomes would be the same result and the answer would be 25 since a negative times a negative is a positive. It would be the same because there is nothing in the parenthesis.

icang [17]3 years ago
5 0
The difference is that with the parentheses the negative sign is removed but the one without the parentheses will stay negative.

The reason for this is because -5^2 without the parentheses is the same as 0-5^2 which is -25

But with the parentheses the actual number is negative because (0-5)^2 is the same as (-5)^2 and a negative square is a positive

Brainliest my answer if it helps you out?
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sertanlavr [38]

Answer: The system consists of parallel lines

Step-by-step explanation:

Given system of lines :

y=\dfrac13x-4

3y-x=-7

Substitute y=\dfrac13x-4 in 3y-x=-7,  we get

3(\dfrac13x-4)-x=-7\\\\\Rightarrow\ x-12-x=-7\\\\\Rightarrow\ -12=-7 , which is not true.

That means , system has no solution.

i.e. they are representing parallel lines. [Parallel lines do not intersect and hence they do not have solution.]

6 0
3 years ago
Can anyone help me with this one question??
AnnyKZ [126]
The correct answer is 14yds
7 0
3 years ago
Can somone please help me 25.2÷7.8=
Gennadij [26K]

25.2 / 7.8 = ~ 3.23 hope that helps

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