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h^2=25. solve this quadratic equation to find h.

h 2 = 25So firstly, we must square root each side of the equation.(square root) h 2 = (square root)25.so... h= (square root)25.h=5. or h=-5.
HS
Answered by Helen S. • Maths tutor
4114 Views

Which of these events was the greater success for Hitler: The remilitarisation of the Rhineland, 1936 OR The Munich agreement, 1938 (8 marks

The remilitarisation of the Rhineland, where Hitler broke the Treaty of Versailles’ ban on keeping German military forces in the region bordering France, was a success because Hitler successfully achieved hi...
JW
Answered by Joseph W. • History tutor
9020 Views

(2x-5)(3x+2)(x+7) - Expand the brackets.

(6x^2+4x-15x-10)(x+7)(6x^2 -11x-10)(x+7)= 6x^3-11x^2-10x+42x^2-77x-70)=6x^3+31x^2-87x-70
GA
Answered by Gloria A. • Maths tutor
5641 Views

Person A, weighing 35 kg, is sitting 10m away from a seesaw pivot. Person B, weighing 50 kg, it sitting at the other end, at a distance d. Calculate d, in order for the seesaw not to topple over. (g=10m/s^2)

Force@A: F A = m A x g = 35 x 10 = 350NAnticlockwise moment: M A = F A x d A = 350 x 10 = 3500NmForce @B: F B =m b x g = 50 x 10 = 500NClockwise moment: M c = F B x d B For the seesaw to be in equilibrium, M...
AA
Answered by Antonia A. • Physics tutor
2579 Views

Make x the subject of the equation. 7xy+6 = 18x+3y+7

Put all the terms which contain x onto one side of the equation.-6 from both sides of the equation and -18x from both sides of the equation to get7xy-18x = 3y+7-6Simplify if possible7xy-18x = 3y+1Take the x ...
LM
Answered by Lucy M. • Maths tutor
3472 Views