tessthetoast tessthetoast

01-03-2019
Mathematics

contestada

33 points

I really need help on these both.

33 points I really need help on these both class=

Respuesta :

musiclover10045 musiclover10045

01-03-2019

3) y^2 - 1 = 24

add 1 to each side:

y^2 = 25

Take square root of each side: y = √25

y = 5 or -5

4) y^2 - 1 =48

Add 1 to each side:

y^2 = 49

Take square root of each side:

y = 7 or -7

Answer Link

09pqr4sT 09pqr4sT

01-08-2020

Answer:

-5 and 5

-7 and 7

Step-by-step explanation:

y² - 1 = 24

y² = 25

y = ±5

y² - 1 = 48

y² = 49

y = ±7

Answer Link

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