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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

2845 Views

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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Write down the value of 169^1/2 (one hundred and sixty nine to the power of a half)

Answer = 13
"to the power of 1/2" is the same as saying "square root"

Answered by Rasila C. • Maths tutor

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Explain how the carbon is recycled into the growth of new leaves

Microorganism decompose the lead leaves from the old tress. They break up the leaves and release the nutrient and carbon into the environment. the new leaves photosynthesis and use the Carbon that was bro...

Answered by Glen C. • Biology tutor

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