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Explain the formation of a stack

The formation of a stack occurs at a high energy coastline involving many forms of erosion. These include weathering , wave and wind erosion. Examples include freezethaw, hydraulic action and abrasion.

Answered by Freya P. • Geography tutor

23969 Views

In a cinema, male to female ratio is - 1:3. The ratio of the females, who like popcorn to females who don't like popcorn is 2:1. 10 girls don't like popcorn. How many people are there in the cinema altogether?

Ratio of females who like popcorn to the females who don't like popcorn is 2:1. If 10 females don't like popcorn, then (10 *2) 20 females like popcorn. 10+20 = 30 females altogether. 30/3= 10 males altog...

Answered by Yashaswi B. • Maths tutor

3368 Views

R and B are directly proportional variables. When R = 9, B = 3. What does R equal when B = 14?

R and B are directly proportional variables. Therefore, we can write a relationship between them as R = kB where k is a proportionality constant. We can rearrange this equation to calculate the value of k...

Answered by Liban W. • Maths tutor

3760 Views

Simplify: ((3x^2)-x-2)/(x-1).

Firstly, simplify the numerator by factorising the quadratic, to give a numerator of (3x+2)(x-1). Now, divide through by (x-1), to give (3x+2).

Answered by Oscar K. • Maths tutor

4287 Views

What is the name of the compound with the formula CH3CH2CH(OH)CH3, and what is the name of its functional group?

The compound's name is butan-2-ol: four carbons in the chain means the compound has the but- prefix; the alcohol group is on the second carbon, so the compound has the -2- suffix; and the functional group...

Answered by Oscar K. • Chemistry tutor

30705 Views