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posledela
1 year ago
7

Simplify 6xy - 20y + 7z - 8x + 25y - 11z

Mathematics
2 answers:
ololo11 [35]1 year ago
6 0

Answer:

6xy - 8x + 5y - 4z

Step-by-step explanation:

6xy - 20y + 7z - 8x + 25y - 11z

Group the ones with the variable first to make an equation:

6xy - 8x - 20y + 25y + 7z - 11z

Solve the equation

6xy - 8x +5y - 4z

snow_tiger [21]1 year ago
3 0
You combine like terms, meaning add or subtracts the numbers that have the same variables. In this case you leave 6xy alone since there’s no other number with xy. You also leave -8x alone. You combine -20y and +25y since they have the same variable, and when you do that, you get 5y. And finally, you combine +7z and -11z since they have z in common and when you do so, you get -4z. The final answer put together will be:6xy-8x+5y-4z
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1 year ago
9x - 3y = -42 and -9x + 8y =22
ASHA 777 [7]

Answer:

(-5 1/9, -4)

Step-by-step explanation:

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8 0
1 year ago
Ruben has two congruent wooden dowels. He cuts one dowel in two in order to have three pieces to make a triangle. Explain why, d
e-lub [12.9K]
Let us use the Pythagorean theorem in identifying what triangle can be formed.

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The measure of the cut wooden dowel must be longer than the uncut wooden dowel to create a triangle. 

I also tried this on a piece of paper, I cut each piece according to the assumed measure. No triangle can be formed under this activity. 
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1 year ago
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Therefore, the projectile stays in the air for
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4 0
2 years ago
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