math

Express in terms of i. �ã-225 + �ã-49

  1. 👍 0
  2. 👎 0
  3. 👁 84
  1. I think that is supposed to come out as
    √-225 + √-49
    = 15√-1 + 7√-1
    = 22i

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math - Geometric Series

    Find the sum of the geometric series 128 - 64 + 32 - . . . to 8 terms. a) 85 b) 225 c) 86 d) 85/2 e) not possible

    asked by Robo123 on December 11, 2010
  2. physics

    At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected

    asked by Anonymous on October 14, 2013
  3. mathematics

    expand [e+1/e]^4 in terms of e. express [e+1/e]^4 + [e-1/e]^4 as the sum of three terms. please help

    asked by HELLLP on January 16, 2018
  4. research in CriminalJustice

    The five year survival rate for Caucasians for all forms of cancer increased from 39% in the 1960's to 57% now. Express the change in two ways: (1) as an absolute difference in terms of percentage and (2) as a relative difference

    asked by Anonymous on March 20, 2012
  5. math

    Mike rides his bike 33 km south and then 56 km west. How far is the shortest distance from his starting point? 33^2 + 56^2 = C^2 1,089 + 3,136 = C^2 4,225 km = C^2 C^2 = SQRT of 4,225 km or 65 km

    asked by sue on June 3, 2016
  1. Physics

    A bowling ball rolls without slipping up a ramp that slopes upward at an angle (beta) to the horizontal. Treat the ball as a uniform, solid sphere, ignoring the finger holes. What is the acceleration of the center of mass of the

    asked by Joe on April 3, 2012
  2. Physics

    A long, straight wire with a circular cross section of radius R carries a current I. Assume that the current density is not constant across the cross section of the wire, but rather varies as J=αr, where α is a constant. A) By

    asked by Ayaka on October 31, 2016
  3. phyics

    The position of a 2.75 *10^5 N training helicopter under test is given by r = (0.020 m/s^3)(t^3)i + (2.2 m/s)(t)j - (0.060 m/s^2)(t^2) k Find the net force on the helicopter at t =5.0s. Express your answer in terms of i,j,k.

    asked by ami on September 16, 2010
  4. Physics Classical Mechanics

    A bar of mass m and negligible height is lying horizontally across and perpendicular to a pair of counter rotating rollers as shown in the figure. The rollers are separated by a distance D. There is a coefficient of kinetic

    asked by Anonymous on December 11, 2013
  5. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium

    asked by Anonymous on October 17, 2013
  6. PHYSICS HELP!!!

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium

    asked by Anonymous on October 21, 2013

You can view more similar questions or ask a new question.