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Given y= sqrt(x) + 4/sqrt(x) + 4 , find dy/dx when x=8 giving your answer in form Asqrt(2) where A is a rational number.

Read and understand the questionRe-write in easier form to be able to differentiateDifferentiate and sub in value for xSimplifyMake sure we answer the question
CM
Answered by Corey M. • Maths tutor
6568 Views

People A and B are taking a lift of mass 500 kg which has constant acceleration and the force from the rope that pulls it is 7500 N. The scales where the people stand show a reading of 720 N and 500 N.

Question 1 : Find the acceleration of the lift.Implementing Newton's Second Law we have : F net =M α lift --->T-F A -F B -M g =M α lift ---> α lift =( T-F A -F B -M g )/M (1)Substituting the relevant v...
GN
Answered by Geri N. • Physics tutor
2488 Views

Fill in the gaps with the appropriate pronoun.

Fill in the gaps with the appropriate pronoun: me / ma /de / d' / l' / l’/ une / n’/ l’ / de / mon / lui L'asile vieillards est à Marengo, à quatre-vingts kilomètres Alger. Je prendrai autobus à deux heures ...
LP
Answered by Léna P. • French tutor
2524 Views

The pancrease secretes protease enzymes. How do organelles within a cell work together to PRODUCE and RELEASE these protein molecules from the cell?

The nucleus contains the gene that codes for the enzyme and is where transcription happens to produce mRNA . The mRNA leaves the nucleus and attaches to a ribosome on the rough endoplasmic reticulum. The rib...
JE
Answered by Jessica E. • Biology tutor
15638 Views

Explain the Prisoner's Dilemma

The Prisoner's Dilemma is an example of a game theoretical model. Game theory is a mathematical tool you can use to try to figure out what people might do in certain situations. In game theory terms, we call...
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Answered by Asli E. • Economics tutor
3841 Views