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Factorise 7x +14

7(x + 2)
AM
Answered by Ajay M. • Maths tutor
8622 Views

If a body is projected from the ground at the angle of 30 degrees to the horizontal with the initial velocity of 20 m/s, what maximum height and range is it going to reach?

It is possible to solve this using equations for projectile motion that can be found in the majority of formula booklets. However, since they are not always available, it is good to understand where they com...
TH
Answered by Tomasz H. • Physics tutor
5547 Views

What is a Nash Equilibrium?

A Nash equilibrium is a common solution concept used in game theory for non-cooperative (i.e. players cannot work together or communicate), 2+ player games where given all other players' strategy choices, ea...
RC
Answered by Raees C. • Economics tutor
4507 Views

How far did Stalin meet his industrial and agricultural aims before 1945?

Stalin's aims for the USSR before the second World War are commonly seen as wanting to industrialise the nation, re-arm in case of a future war, and rid society of kulaks (richer peasants) as to be able to c...
SO
Answered by Samuele O. • History tutor
2333 Views

Solve these 2 equations simultaneously: 7x+y=1 and 2x squared - y=3

7x+y=1 (1) -> y= 2x 2 - 3 (3) 7x + 2x 2 -3-1=0 -> (2x-1)(x+4)=0 so 2x-1=0 so 2x=1 so x=0.5 and x+4=0 so x=-4 7(0.5)+y=1 so y=1-3.5 so y=-2.5 and 7(-4) +y=1 so -28+y=1 so y= 29 Full answer: x=0.5 y=-2.5...
HV
Answered by Hannah V. • Maths tutor
4059 Views