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Lapatulllka [165]
3 years ago
7

what does sam need to score on the fourth test to ensure that she will have an average of90% for all four tests?

Mathematics
1 answer:
olga2289 [7]3 years ago
3 0

Answer: 98%

Step-by-step explanation:

83%+91%+88%+?=90×4

262+?=360

?=360-262

?=98%

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olga_2 [115]
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<span> 5.1 </span>    Pull out like factors :

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Trying to factor a multi variable polynomial :

<span> 5.2 </span>   Factoring   <span> 25x2 + xy + 5y2</span> 

Try to factor this multi-variable trinomial using trial and error<span> 

 </span>Factorization fails

Final result :<span> 3x2 • (25x2 + xy + 5y2) </span><span>

</span>
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