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3 years ago

5

Help me please! solve for x.

1 answer:

ohaa [14]3 years ago

5 0

Answer:

x =±sqrt(225) = ±15

Step-by-step explanation:

x^2 = 225

Take the square root of each side

sqrt(x^2) = ±sqrt(225)

x =±sqrt(225) = ±15

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university theater sold 465 tickets for a play. ticket cost $23 per adult and $13 per senior citizen. if total receipts were $71

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a=adult tickets

s = senior tickets

a+s=465 a = 465-s

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substitute in a = 465-a

23 (465-s) + 13s = 7145

distrubute

10695 - 23s +13s =7145

combine like terms

10695 - 10s = 7145

subtract 10695 from each side

-10s = -3550

divide by -10

s = 355

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