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Helen [10]
2 years ago
10

PLEASE ANSWER ASAP! EXTWEMELY IMPORTANT! MUST BE CORRECT! POINTS GIVEN!

Mathematics
2 answers:
sashaice [31]2 years ago
7 0
His statement is correct, -12 times 11= a negative number
11 x -7=-77

negative times positive = negative 
ALWAYS!
Licemer1 [7]2 years ago
5 0
The asnwer is alway true because negative means reverse and positive makes the thing stay the ssame
basically a positive is a blank thing that doesn't do anything while a negative makes change happen (opposite)
with 1 blank thing and an opposite, we get an oposite

so we havve -7 times +11
we can factor out the -1 in -7 so we get
-1 times 7 times 11
we know that 7 times 11=77
then the negative makes it oposite so -1

therefor
if you have -x times +z that equals -1 times (x times z) and since x and z are both positive, they remain so, but the -1 makes it negative

so this statement is always true
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Perform the indicated operation:
yaroslaw [1]

The expression \frac{m^{2}-16\cdot n^{2}}{\frac{3\cdot m + 12\cdot n}{m\cdot n} } is equal to \frac{m^{2}\cdot n}{3} -\frac{4\cdot m\cdot n^{2}}{3}.

<h3>How to simplify a composite algebraic expression</h3>

In this question we must use properties of <em>real</em> algebra to simplify a given expression as most as possible. We proceed to show each step with respective reason.

  1. \frac{m^{2}-16\cdot n^{2}}{\frac{3\cdot m + 12\cdot n}{m\cdot n} }  Given
  2. \frac{m\cdot n \cdot (m^{2}-16\cdot n^{2})}{3\cdot m + 12\cdot n}   \frac{\frac{a}{b} }{\frac{c}{d} } = \frac{a\cdot d}{c\cdot b}
  3. \frac{m\cdot n \cdot (m-4\cdot n)\cdot (m+4\cdot n)}{3\cdot (m+4\cdot n)} Distributive property/a^{2}-b^{2} = (a +b)\cdot (a-b)
  4. \frac{m\cdot n \cdot (m-4\cdot n)}{3} Existence of the multiplicative inverse/Modulative property
  5. \frac{m^{2}\cdot n}{3} -\frac{4\cdot m\cdot n^{2}}{3} Distributive property/x^a\cdot x^{b} = x^{a+b}/Result

To learn more on algebraic expressions, we kindly invite to check this verified question: brainly.com/question/953809

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Answer: 3x+10

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