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ohaa [14]
3 years ago
9

Please Help ASAP!!!

Mathematics
1 answer:
kkurt [141]3 years ago
8 0

Answer:

X1=(-3+7)÷2=2---> X1=2-->First root

X2=(-3-7)÷2=-5---> X2= -5-->Second root

Step-by-step explanation:

X^2=-3X+10 you need to change the order of this equation

X^2+3X-10=0---> You do this in order to do BHASKARA

then you do BHASKARA

-3(±√9-4·1·-10)÷2·1

X1=(-3+7)÷2=2---> X1=2-->First root

X2=(-3-7)÷2=-5---> X2= -5-->Second root

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Answer:

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Step-by-step explanation:

Let x be the number of VIP tickets.  

If ten times as many ​$17 tickets were sold as VIP​ tickets, then the number of $17 tickets is 10x.

If the number of ​$17 tickets sold was 57 more than the sum of the number of ​$21 tickets and VIP​ tickets, then 10x+57=x+y and the number y of $21 tickets is 9x+57.

Amounts earned:

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The sales of all three kinds of tickets would total ​$51,471, so

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$21 tickets =9\cdot 126+57=1,191

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