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Barney has 12 items of fruit. Four of these are apples. If Lucy takes one of Barney's items of fruit at random what is the probability it will be an apple? What is the probability it will not be an apple?

12 items of fruit. 4/12 are apples - can 4/12 be simplified? Yes both can be divided by 4 and so the fraction becomes = 1/3 for the probability of taking an apple. The probability of NOT taking an apple is 1...
JB
Answered by James B. • Maths tutor
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Solve the equation: 3x - 5.5 = 1/2

To make the equation easier, multiply it all by 2 : 6x-11 = 1 And solve: 6x = 12x = 2
JB
Answered by James B. • Maths tutor
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Describe the 5 components of health.

Muscular strengthmuscular enduranceCV fitnessflexibilitybody composition
AC
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One of the most important roles of cell membranes is to control what substances enter and leave the cell. Describe the difference and a briefly outline the mechanism for passive and active transport of molecules over cell membranes.

Passive transport requires no energy and is dependent on concentration difference gradient of intra and extracellular spaces. Channel protein can be opened or closed to allow or stop the free flow of molecul...
AC
Answered by Aaron C. • Biology tutor
3812 Views

How do I prepare for the HAT?

The HAT is not a paper to prove a universal understanding of all history but instead a chance to show how you can adapt fundamental skills of analysis to approach a topic that you will likely be unfamiliar o...
JB
Answered by James B. • HAT tutor
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