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Solve the simultaneous equations: 3x-y=13, 2x+y=12

To solve these simultaneous equations we first need to eliminate one variable (the x or the y). For this we will need the coefficients (numbers in front of the variables) to be equal or opposite on one varia...
ED
Answered by Ellie D. • Maths tutor
6054 Views

A block of mass 5 kg is being pushed over level ground by rod at 60 degrees to horizontal with force 40 N with acc. 1.5 what is the frictional force of the surface and draw a diagram with the forces acting on the block

Block has normal force, weight, friction and the force from the rod acting on itResultant force = 5*1.5=7.5horizontal component of force from rod = 207.5= 20 - FF= 12.5
HB
Answered by Henry B. • Maths tutor
3470 Views

Sketch the curve y= ((3x+2)(x-3))/((x-2)(x+1)) and find values of y for which y>=3

Will have asymptotes at x=2 and x=-1, goes from negative to positive going from -1 to 2 and tends to 3 from below for positive x and tends to 3 from above for negative x. Crosses y axis at 3
HB
3098 Views

What are the main roles of congress?

Congress has three main roles. Firstly, it provides representation to US citizens. Congressmen and women are elected officials who represent the needs and rights of its citizens within Congress. Secondly, it...
JL
14529 Views

Explain the process of synaptic transmission.

During synaptic transmission, an electrical impulse or action potential is relayed between two neurons via a synapse. A synapse is the space between two neurons, and acts as a point of transmission or commun...
CW
7671 Views