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hodyreva [135]
3 years ago
14

Which of the following is the factored form of 9y2-121​

Mathematics
1 answer:
lukranit [14]3 years ago
4 0
It's the first one.

If you work backwords, I'd say it's easier. 3y swuared is 9y2, and 11 squared is 121. Then just keep the sign the same
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Look at this system of equations.<br> 2x +5 =9.5<br> 3x + 5y =10.5<br> What is the value of x+y
stiv31 [10]

Answer:

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Step-by-step explanation:

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know we now what is x so in the second one we evaluate x

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if you want to check your answer you can evaluate x and y so it will be like

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and

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6 0
3 years ago
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Zigmanuir [339]

Answer:

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Step-by-step explanation:

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7 0
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