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Paraphin [41]
3 years ago
15

Find the sum of 2y²+3yz-y²-yz-z²+6zy-3y² please help STEP explanation ​

Mathematics
2 answers:
larisa86 [58]3 years ago
7 0

Answer:

See picture attached

Step-by-step explanation:

I hope this helps you.

Please give me brainliest if it's correct

kozerog [31]3 years ago
5 0

<em>=</em><em>2</em><em>y</em><em>^</em><em>2</em><em> </em><em>-</em><em> </em><em>3</em><em>y</em><em>^</em><em>2</em><em> </em><em>-</em><em> </em><em>y</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>3</em><em>yz</em><em> </em><em>-</em><em> </em><em>yz</em><em> </em><em>-</em><em> </em><em>z</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>6</em><em>zy</em><em> </em><em>(</em><em> </em><em>arranging</em><em> </em><em>the</em><em> </em><em>like</em><em> </em><em>terms</em><em> </em><em>)</em>

<em>=</em><em> </em><em>-</em><em>2</em><em>y</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>2</em><em>yz</em><em> </em><em>-</em><em> </em><em>z</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>6</em><em>z</em><em> </em><em>(</em><em> </em><em>simpliflying</em><em> </em><em>the</em><em> </em><em>like</em><em> </em><em>t</em><em>erms</em><em> </em><em>and</em><em> </em><em>leav</em><em>ing</em><em> </em><em> </em><em>the</em><em> </em><em>unlike</em><em> </em><em>terms</em><em> </em><em>same</em><em> </em><em>as</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>rule</em><em> </em><em> </em><em>)</em>

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irakobra [83]

Answer:

Letter B matches the probability.

Step-by-step explanation:

Lucy throws a fair six sided dice.

Probability of the dice landing on a number between 1 and 6 = \frac{\text{Favorable outcome}}{\text{Number of events}}

= \frac{1}{6}

On a number line fraction \frac{1}{6} can be represented by,

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Answer:

Step-by-step explanation:

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Answer:

m∠BFE  = 171º

BE = 219º

Step-by-step explanation:

∠BFE is supplementary to ∠EFC

m∠BFE  = 180 - 9

m∠BFE  = 171º

--------------------------

The angle between two chords is equal to half the sum of the intercepted arcs:

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Answer:

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Step-by-step explanation:

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