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The sum of the first K natural numbers is 300. Find the value of K.

S= 0.5n(n+1) ( formula for the sum of the first n natural numbers) 0.5K(K+1)= 300 ( sub in K and make the formula equal to the total sum given) 0.5K(K+1)-300= 0 ( take away 300 from both sides) ...

Answered by Meghan B. Maths tutor
3670 Views

How do you form the passé composé?

The passé composé is formed by using the present tense form of avoir/être, followed by the past participle of a given verb.Most verbs take the use the verb avoir, however there are several verbs which use...

Answered by Joshua D. French tutor
1353 Views

Find the value of 'a' in the equation: 5a + 12 = 37

First step is to take away 12 from both sides of the equation:5a + 12 = 37 (-12) 5a = 25 Second step is to then divide both sides by 5:5a = 25(÷5) Which gives you the final answer:a = 5

Answered by Meghan B. Maths tutor
2289 Views

Describe the role of the thylakoid membrane.

The thylakoid membrane is found within the chloroplast. The photosystems (I and II) are embedded within the membrane itself. It is the site of photophosphorylation and the electron transport chain (ETC), ...

Answered by Maria F. Biology tutor
8976 Views

What's the difference between the passé composé and imperfect tense?

That's a great question, and one that we, as non-native French speakers, ask quite a lot. The most important thing to remember about the imperfect tense is that it is not perfect. And it's not perfect bec...

Answered by Kristian B. French tutor
1438 Views

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