Answers created by Arunraju Naspuri

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• Question #59784
  
• Question #e40ab
  
• The current flowing in a wire is inversely proportional to the resistance of the wire. If the current is 5 amperes (A) when the resistance is 24 ohms (Ω), for what resistance will the current be 8 amperes?
  
• Question #12a2d
  
• The price of a pound of peppers is $3.99. What is the price of pepper in cents/g?
  
• A circuit with a resistance of `6 Omega` has a fuse that melts at `8 A`. Can a voltage of `28 V` be applied to the circuit without blowing the fuse?
  
• If sin(t)=0.8 and cos(t)=0.6. what is sin(t)+cos(-t)+sin(-t+2pi)?
  
• How do you solve for the exact solutions in the interval [0,2pi] of `cosx=sin2x`?
  
• How do you simplify `(y^6) ^-7`?
  
• Noah noticed 12 seats were empty in the theater at Cinemaworld. If 8% of the seats are empty, how many seats are in the theater altogether?
  
• How do you solve `cos^2(x)+sin=1`?
  
• A triangle has sides A, B, and C. Sides A and B are of lengths `1` and `4`, respectively, and the angle between A and B is `(pi)/2`. What is the length of side C?
  
• How do you prove `cos(pi/2 + theta) = -sin(theta)`?
  
• How much power is produced if a voltage of `3 V` is applied to a circuit with a resistance of `21 Omega`?
  
• If `32 L` of a gas at room temperature exerts a pressure of `6 kPa` on its container, what pressure will the gas exert if the container's volume changes to `2 L`?
  
• How do you simplify `7 + 14 - 3 +5 times 2^3` using PEMDAS?
  
• What is the length of a rectangle if its perimeter is 279 feet and its length is 2.1 times its width?
  
• How do you verify `(cotx/sec^2x) + (cotx/csc^2x)= cotx`?
  
• If matrix A can be multiplied by matrix B, can matrix B be multiplied by matrix A?
  
• What is the slope of 4x+3y=2?
  
• What is `lim_(xrarr4) ( x^4 -256) / (x^3 - 64)`?
  
• How do you simplify `sqrt(6x) divsqrt24`?
  
• What is the square root of 15 plus the square root of 15?
  
• How do you find the slope of the line `x + 5y = 10`?
  
• How do you convert 2.3 cm to mm?
  
• How do you simplify `2 * (8-4)`?
  
• Is displacement directly proportional to velocity?
  
• How do you solve `log_2 (x - 2) + 5 = 8 - log_2 4`?
  
• How do you solve `cot x cos^2 x-2cot x=0`?
  
• How do you solve `sin2x - 1 = 0` from [0,360]?
  
• How do you solve `1.2x + 1 = 9`?
  
• If the reciprocal of the product of the two consecutive integers is 1/30 how do you find the two integers?
  
• How do you prove `tan(2A)/(1+sec(2A))=tan(A)`?
  
• How do you prove `Cos^2 2A-cos^2 A=sin^2A-sin^2 2A`?
  
• If f(7) = 18, then how do you complete f(x) = 2x + _____?
  
• How do you find the exact value of tan^-1[tan(2pi/5)]?
  
• How do you evaluate `12 - 3 xx 4`?
  
• How do you verify the identity: `(sinx+cosx)^2=1+sin2x`?
  
• How do you verify `(sinx + tanx) / cosx + 1 = tanx`?
  
• How do you prove `( 1 / (secx - tanx) ) - ( 1 / (secx + tanx ) ) = 2 tan x`?
  
• How do you solve `sin2xcosx+cos2xsinx= sqrt2/2`?
  
• In a given conductor, force per charge is equal to 10N/columb. total length of conductor is 100meters. charge per sec is 10columb/sec. then work done per sec?
  
• How do you evaluate `arcsin(cos(pi/3))`?
  
• How do you find the exact value of `arctan(1) + arctan(2) + arctan(3)`?
  
• What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms and the capacitive reactance equals 5 ohms?
  
• Question #5a793
  
• How do you verify `tan^2(x) / (sec(x) - 1) = (sec(x) + 1)`?
  
• How do you evaluate `sin (arccos (2/8))`?
  
• A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, what happens to the current?
  
• What is the derivative of `10x`?
  
• If a series–parallel circuit has all 30-ohm resistors, what is the total resistance when r1 is in series with a parallel circuit consisting of r2 and r3?
  
• How do you find the exact value of `arc tan(1/2) + arc tan (1/5) + arc tan (1/8)`?
  
• Question #a9493
  
• Question #0ad4c
  
• Question #2c35a
  
• Question #c71ac
  
• If r1 is in series with parallel connected to r2 and r3, what happens to total current if r2 opens?
  
• How do you solve `sinx+cosx = sqrt2`?
  
• The length of the hypotenuse of a right isosceles triangle is 4√3 What is the perimeter of the triangle?
  
• The resistance of a conductor is 5 ohm at 50*c and 6 ohm at 100*c.Its resistance at 0*is??THANK YOU!!
  
• Question #c552a
  
• An object moves with velocity of 20km/hr in the first 1/3rd of total distance and moves with 60km/hr in the second 1/3rd of total distance. What is average velocity up to 2/3 rd of total distance?
  
• Question #b35a5
  
• How do you find three consecutive even integers whose sum is 244?
  
• What is the exact value of `tan ^2 45+ sec ^2 30`?
  
• Question #dd117
  
• How do you evaluate `cos[ 2sin^-1(5/13)]`?
  
• Question #b0ae0
  
• How do you calculate `cos (Arcsin -3/5)`?
  
• How do you solve `Sin(2x)=sin((x/3)-2)`?
  
• How do you use the angle sum identities to find the exact values of Tan(15) and Tan(45)?
  
• Question #1bfa5
  
• As frequency increases, does series and parallel RC impedance decrease?
  
• What is electromagnetic induction in physics?
  
• How do you write an equation in point slope form that passes through (-4, -2) with slope -5?
  
• How do you prove `cos 2theta = cos^(4)theta - sin^(4)theta`?
  
• If the sum of two unit vectors is a unit vector, what is the magnitude of the difference of the two vectors?
  
• How do you verify `cos ^2 u - sin ^2 u = 2 cos^2 u -1`?
  
• How do you solve `2^x=3^(x+1)`?
  
• How do you solve `sin3x=1/2`?
  
• What is the exact value of `tan 30`?
  
• A cell of e.m.f. E and internal resistance r is connected across an external resistance nr.The ratio of terminal potential difference to e.m.f. is?...in terms of n only? Thank u!!!
  
• How does power relate to torque?
  
• How do you prove `tan theta cot theta=1`?
  
• In triangle ABC, a=6.3. B=9.4, <C=38.3°, how do you find side C?