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14-04-2021
Mathematics

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Help Please!
Quiz Solving with Square Roots and Quadratic Formula

Help Please Quiz Solving with Square Roots and Quadratic Formula class=

Respuesta :

tellvinaykr tellvinaykr

14-04-2021

Answer:

Step-by-step explanation:

1.)

10p² - 7 = 243

10p² = 250

p² = 25

p = ±5 (meaning p can both equal -5,5)

2.)

9b²+9 = 684

9b² = 675

b² = 75

b = ±√75

= ± 5√3

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