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Estimate the radius of the moon based on a solar eclipse given the distances between the earth and the moon, the earth and the sun, and the radius of the sun.

A diagram showing the moon directly between the earth and the sun is key here. If we call the radii of the sun and the moon rs and rm and the distances from earth Ds and...

AM
Answered by Alastair M. PAT tutor
1750 Views

Explain Anselms ontological argument for the existence of God.

Anselm's ontological argument holds that God must necessarily exist, by definition. This is an a priori argument, meaning that its conclusion is reached through purely deductive reasoning, not relying on ...

CB
1699 Views

The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.

Line 1 : y = 3x -2. Equation of a line general formula : y = mx + c , where m = gradient. Therefore, for y = 3x - 2, m = 3 and therefore the gradient = 3. Line 2 : 3y - 9...

EM
Answered by Emma M. Maths tutor
3159 Views

The decent into war in 1914 had very little to do with the assassination of Archduke Franz Ferdinand.

To many, it seems that the outbreak of World War One, beginning with the Austro-Serbian declaration of war in July 1914, was as a direct result of the assassination of Archduke Franz Ferdinand one month p...

CT
Answered by Ciera T. History tutor
2205 Views

"je les ai achetés" why does the past participle "achetés" have an "s" at the end when it is an "avoir" verb? I was taught that only verbs that use "être" as their auxiliary add endings to the past participle?

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RB
Answered by Rosie B. French tutor
2142 Views

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