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zysi [14]
3 years ago
9

Does -7 • 8 = 7 • (-8) ?

Mathematics
2 answers:
ioda3 years ago
6 0

First you had to multiply by negative seven and positive eight and its equal to  negative fifty-six.

-7*8=-56

7*-8=-56

<u><em>The answer its should be true.</em></u>

\boxed{TRUE}

\boxed{-56=-56}

8*7=56

56/7=8

56/8=7

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

goldenfox [79]3 years ago
3 0
Yes, because it does not matter which order you multiply the factors in; you will always get the same answer.
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6 0
3 years ago
What is the solution?
galina1969 [7]

Answer:

y=60 x=16

Step-by-step explanation:

the triangles are identical so 92+y=3y-28 so solve that for y:

                                                     -y      +28

                                                  120=2y                                                                            .                                                  /2      /2

                                                  60 = y so y=60

and 6x+2=3x+50 and solve that for x: which gets x = 16

Then are you supposed to plug it in to the numerical equvilant to the angles and sides becuase if so:  B and E is 152, AC and DF are 98

Hope this helps and brainliest would be greatly appreciated! Thanks!

4 0
2 years ago
3x+4y=17 and slove for y<br>​
Llana [10]

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Step-by-step explanation:

6 0
3 years ago
Please assist with this problem. It is really difficult.<br><br>​
goldfiish [28.3K]

\bf \textit{difference of squares} \\\\ (a-b)(a+b) = a^2-b^2 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \boxed{\stackrel{\textit{difference of squares}}{(x^3-y^2)(x^3+y^2)}+2y^4}\implies [(x^3)^2-(y^2)^2]+2y^4 \\\\\\ x^6-y^4+2y^4\implies \boxed{x^6+y^4}

4 0
3 years ago
Read 2 more answers
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