Recent questions tagged equations

Description : Will you help me with this (easy) maths question?

Last Answer : 180X+400=220X |-180X 400=40X |:40 10=X

Description : (4) Algebra question: Can you help?

Last Answer : Keep working on it. Let’s try some combinations.

Description : (3) Algebra Problem: Can you help?

Last Answer : No matter, I’ve figured it out

Description : (2) Algebra problem: Can you help?

Last Answer : *to get to the answer

Description : Algebra problem: Can you help?

Last Answer : Yes, but “a” changed sides as well; therefore it would be negative in the answer…

Description : How do I do this problem with exponential numbers and whatnot?

Last Answer : answer:First of all, remember that negative exponents are the inverse, so they divide. 5x^-3 is 1/5x^3. And, when multiplying you add the exponents. (10^5)(10^3) = 10^8 When dividing you subtract the exponent of the denominator from the exponent of the numerator. 10^5/ 10^3 = 10^2 Hope that helps.

Description : Which one of these is right (math)

Last Answer : When dividing by a number (such as the 3x-to-x or 5y-to-y) you need to divide all the terms that are on each of the sides.

Description : How can I factorise this...

Last Answer : answer:first of all, correct term is to factor, not to factorise. Secondly, while you are right that because 29 is a prime number this cannot be easily factored, you can always use the quadratic ... of the equation, what y= such that the equation holds you can use this to factor the equation.

Description : Using phasors, determine in the following equations

Last Answer : Using phasors, determine in the following equations

Description : Linear Algebra Problem the solution to the system of equations

Last Answer : Linear Algebra Problem the solution to the system of equations https://youtu.be/y_FlupirxZM

Description :  The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be A) 3 B) 2 C) 4 D) 5 

Last Answer :  The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be 3 

Description : The number of independent equations to solve a network is equal to?

Last Answer : The number of independent equations to solve a network is equal to the number of chords.