delilah0304 delilah0304

24-07-2017
Mathematics

contestada

Solve 4r2 – 7 = 29.
a. +-6
b. +-3
c. +-4
d. +-5

Respuesta :

24-07-2017

4r^2-7=29
+7 both sides
4r^2=36
÷4 both sides
r^2=9
square root both sides
r=+/-3 B

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