Top answers


How do I a differentiate a cosine function?

The differential is the slope of the graph at any point. So if we imagine a cosine in our heads, it starts at a peak and goes down to a negative peak. So in terms of the gradient (or slope) it starts at 0 an...
KH
Answered by Kieran H. Maths tutor
4986 Views

Give two examples of English words that are derived from the Latin word, 'school' and give their definitions.

School - an institution that teaches something. Scholar - a pupil in a school, somebody who is studying a particular subject.
IR
Answered by Isobel R. Latin tutor
2553 Views

When and how would I use the conditional mood in French?

The conditional mood is used in order to demonstrate that a particular verb/action is only valid upon some condition.E.g. "I would go to the park but it is raining."en français: «j' irais au parc m...
YR
Answered by Yusuf R. French tutor
2869 Views

How would you find the mean for the numbers 100, 230, 450, 120 and 250?

The first step would be to add all of the numbers together. In this example the sum of the numbers would be 1150. The second step would be to count how many numbers there are, so 100 would count as 1 number ...
JC
Answered by Jemilla C. Maths tutor
4038 Views

How can you tell using a reaction profile if the reaction is exothermic or endothermic?

For an EXothermic reaction energy EXits the reaction meaning that there is more energy at the start than there is at the end. In a reaction profile this is shown by a drop of energy from the reactants to the...
JC
Answered by Jemilla C. Chemistry tutor
3459 Views