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what are the highest common factor of 75 and 100?

First, we factorize each number.150=(5^2) 3 2 and 100=(2^2)*(5^2) then to calculate the highest common factor we take the common factors with the smallest powers. In this case (5^2) and 2. That means that th...
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Answered by Hawa B. • Maths tutor
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John has £385 he wants to give to Charlie, Ben and Sarah. He gives them the money in the ratio 1:2:4 respectively. How much money does each person get?

You have a total of £385 to split to Charlie, Ben and Sarah in the ratio of 1:2:4. First, I ask myself how many parts am I splitting the £385 into?From the ratio, I know the total number of parts = 1 + 2 + 4...
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Answered by Nathan V. • Maths tutor
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Write the electronic configuration of the following using the orbital method: 4. N3- 5. Ar 6. Sc3+ 7. Mn2+ 8. Fe3+ 9. V3+

4. 1s 2 2s 2 2p 6 5. 1s 2 2s 2 2p 6 3s 2 3p 6 6. 1s 2 2s 2 2p 6 3s 2 3p 6 7. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 8. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 9. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 2
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Answered by Ewan P. • Chemistry tutor
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Why did the French Wars of Religion not begin sooner than 1562?

There are several factors which contributed to this. Protestantism in France did not really take off until the 1540s. The Reformation only began in 1517, with Martin Luther's 95 Theses. The number of French ...
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Answered by Joe C. • History tutor
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what is the difference between ser and estar?

ser has the following uses:1.To describe qualities of a person. E.g. Soy muy alta.2.For characteristics. E.g. Ella es muy tímida3.Time. E.g. Son las ocho.4.Occupations. E.g. Mi hermana es cantante6.Relations...
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Answered by Hawa B. • Spanish tutor
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