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Solve x^2 - 6x + 8 < 0

To see the answer more clearly, we can sketch the function. First, we start by sketching the parabola (curve). If we have a positive x^2 term then we have a U shaped parabola and if it is negative, i.e. -...

Answered by Rachel W. • Maths tutor

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Evaluate 3 /5 + 1/ 4

5×4=20 common denominator what did you do to 5 to get to 20? X4, therefore you have to 3x4=12what did you do to 4 to get to 20? X5, therefore you have to 1x5=5
12/20 + 5/20= 17/20

Answered by Vickie K. • Maths tutor

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What was the greater threat to European peace in the 1930s: the German invasion of the Rhineland or the Nazi-Soviet Pact?

The 1936 German invasion of the Rhineland constituted a serious threat to European peace. It marked the beginning of Hitler's reversal of the Treaty of Versailles whilst completely disregarding the Locarn...

Answered by Monique N. • History tutor

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Harry drives from Exeter to London in 4 hours at an average speed of 70km/h. Ron drives from Exeter to London in 5 hours. (a) Assuming Ron took the same route as Harry, calculate Ron's average speed.

The distance from Exeter to London can be calculated using the information about Harry's journey. Average speed = Distance/Time so Distance = Average speed x Time. This means that the distance from Exeter...

Answered by James F. • Maths tutor

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