Answer:
n = 4 or n = -4
Step-by-step explanation:
We have: 4n² - 3 = 61.
Add 3 to both sides:
4n² = 61 + 3 = 64
Divide both sides by 4:
n² = 64/4 = 16
Square root both sides:
n = +/- √16
n = 4 or n = -4
The answers are 4 and -4.
Answer:
226.2
Step-by-step explanation:
I took the test. I hope this helps! :)
Put it in the form
ax^2 + bx + c = 0
use the quadratic formula
x = [ -b + sqrt( b^2 - 4 ac ) ] / 2a
x = [ -b - sqrt( b^2 - 4 ac ) ] / 2a
7v^2 - 7v - 22 = 0
a = 7
b = -7
c = -22
v = [ 7 + sqrt ( 49 - 4 * 7 ( -22) ] / 2 * 7 = 2.34
v = [ 7 - sqrt ( 49 - 4 * 7 ( -22) ] / 2 * 7 = -1.34
Answer:
2 7/20
Step-by-step explanation:
here u go boo
