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There are 20 balls in a bag. The probability is 0.25 of picking a red ball. If one more red ball is added, what is the new probability of picking a red ball at random?

Convert 0.25 into a fraction where 20 is the denominator as there are 20 balls in total in the bag. 0.25 is the same as 1/4 and to convert this to 20 as the denominator multiply both the top and the bottom b...
AL
Answered by Alex L. • Maths tutor
12445 Views

Comment on the theme of revenge in Shakespeare’s Hamlet

Revenge tragedies were popular in Elizabethan theatre for their violent action and on-stage spectacle of bloody justice. Hamlet uses a medieval Danish revenge story as a framework to comment on the internal ...
KM
15727 Views

How do I know if verbs take "avoir" or "être"?

The difference between avoir and être is a grammatical distinction that often confuses students, but is absolutely necessary to know when forming the perfect tense, as well as other more complex tenses such ...
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Answered by Eleanor B. • French tutor
15364 Views

Describe the 3 types of isomers?

Definition : Isomerism is when 2 molecules have the same molecular structure but a different structural arrangement (structural isomerism) or a different arrangement in space (stereoisomerism). Structural is...
JC
Answered by Julia C. • Chemistry tutor
33347 Views

The area of a square is 49cm^2. The perimeter of the square is equal to the circumference of a circle. what is the radius of the circle?

This is a geometry question. We know that a square has 4 equal sides of x, and that it's area is given by A=x 2 . So we can work out the length of the side of the square. x=sqrt(49) = 7 We are told this is e...
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Answered by Julia C. • Maths tutor
16377 Views