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krek1111 [17]
4 years ago
13

Factor the trinomial or state that it is prime 4y²+54y-90

Mathematics
2 answers:
lidiya [134]4 years ago
6 0
4y^2+54y-90=\\
2(2y^2+27y-45)=\\
2(2y^2+30y-3y-45)=\\
2(2y(y+15)-3(y+15))=\\
2(2y-3)(y+15)
castortr0y [4]4 years ago
4 0
<span>   4y²+54y-90
= 2(2y</span>²+27y-45)
<span>= 2(2y-3)(y+15)  <- this is the final answer. :)

</span>
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89,74,92,80, the mean score is 79 what the number is missing???
katrin2010 [14]

The missing number in the given data that has a mean of 79 is: 60.

<h3>How to Find the mean of a Data?</h3>

The mean of a data set is simply the average, that is, it is the sum of all data values divided by the number of data values.

Let x represent the missing number in the data. If the mean is 79, we would have the following:

(89 + 74 + 92 + 80 + x)/5 = 79

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x = 395 - 335

x = 60

Missing number is: 60.

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brainly.com/question/11015069

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2 years ago
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sukhopar [10]
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6 0
4 years ago
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8 0
3 years ago
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