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SIZIF [17.4K]
2 years ago
8

Jake and Mike took a different number of tests. Jake scored 85 points on each test. Mike's total score was 15 less than Jake's t

otal score. The following expression shows Mike's total score: 85x − 15 In the expression, what does the variable x represent? (5 points) Select one: a. The total number of tests Mike took b. The total number of tests Jake took c. The sum of Jake's and Mike's total score d. The difference between Jake's and Mike's total score
Mathematics
2 answers:
Hitman42 [59]2 years ago
5 0
X would represent the total number of tests Jake took
ddd [48]2 years ago
4 0
In your equation 85x - 15 . . . . 

 - The 85 is the score that Jake makes each time. 
 - The x is the number of tests Jake takes. 
 - And the -15 means that you would subtract 15 from Jake's total score (85x) 
 - All this will equal your answer to the equation which is Mikes total score. 

The question is asking what does x represent. 
Therefor the answer would be B. The total number of tests Jake took

Hope this helps! :)
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canadian way

Find gcf: None
complet trinomial: 18n^2+57-10
find the product=10(18)
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-3 and 60 goes into both meaning if you multiply 3 and60 you get -180 and if you add them you get 57.

so (n-3)(n+60)
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so (n<u>-3</u>)(n+<u>60</u>)
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do not divide. treat it like a fraction so you reduce it to lowest terms
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</u>   18   10
<u /> at this point its reduced to lowest terms so now you take the deniminator and move it beside the "n"

=(18n-3)(10n-3)

therefore your answer is (18n-3)(10n-3)
I hoped this helped :)
3 0
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