Mdaulton2992 Mdaulton2992
  • 02-09-2017
  • Mathematics
contestada

Solve 5v2+25=115 , where v is a real number

Respuesta :

texaschic101
texaschic101 texaschic101
  • 02-09-2017
5v^2 + 25 = 115
5v^2 = 115 - 25
5v^2 = 90
v^2 = 90/5
v^2 = 18...take the square root of both sides eliminating the ^2
v = (+-) sqrt 18

v = 4.24 or v = -4.24
Answer Link
KhaiLi
KhaiLi KhaiLi
  • 02-09-2017
Can be + or - , as V will be squared. When any -ve number is squared, it will become positive.
Ver imagen KhaiLi
Answer Link

Otras preguntas

What is the smallest multiple of 6 and 10
I have been stuck with this one, and i would like to how to solve this. In each case, determine whether line AB is parallel or perpendicular to CD. (a) A(0, 0),
How close to North Korea is Inchon?
Approximately how many miles apart are Petrograd and Moscow ? A. 200 B. 350 C. 500 D. 650
|-6|+|3| I really don't get it do I simply find the sum our is it something different plz explain
How many hydrogen atoms are represented in the formula (CH3)2CH2?
4x^2-28x+49=5 solve the quadratic by completing the square
How many “dots” would be around the central atom in the Lewis structure of S? A) 5 B) 6 C) 7 D) 4
how many times does 6 go into 312
need help with this question#20