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What is the gradient of a line with the equation y=4x+5?

The Gradient is 4, this is because this is a straight line graph and it is in the form of y=mx+c, with m being the gradient and c being the y intercept. If the equation was y=6x+3, the gradient would be 6...

TM
Answered by Tom M. Maths tutor
11879 Views

A circuit with a voltage source of 18V, has 3 resistors all connected on parallel, values at 2ohms, 6ohms and 7.5ohms. Find the total circuit resistance, and then subsequently, the total current supplied and power dissipated in the curcuit.

The total resistance is found by the addition of resistors in parallel, in the equation (1/RT)=(1/R1)+(1/R2)+(1/R3), therefore the total resistance is 1.25ohms....

HM
Answered by Harrison M. Physics tutor
1471 Views

30% of a population lacks the ability to taste the chemical PTC. Non-tasters are homozygouse recessive for this tasting gene. What percentage of the population are tasters and what percentage of the population are NOT heterozygous for this trait?

This question requires the knowledge of two equations from the Hardy-Weinberg Principle. p + q = 1 and p2 + 2pq + q2 = 1 where p = dominant allele, and q = recessive allele. Firstly ...

FH
Answered by Fergal H. Biology tutor
4824 Views

Differentiate y=ln(x)+5x^2, and give the equation of the tangent at the point x=1

First differentiate the equation, giving you, y'=(1/x)+10x. To get the gradient at this point of the curve, plug in x=1, to get a y' value of 11, and a y value of 5. From there you can plug these three nu...

HM
Answered by Harrison M. Maths tutor
3128 Views

'Conservative governments in the year 1951 to 1964 were successful in their imperial policy’. Assess the validity of this view.

Agree: Macmillan accepted the ‘Winds of Change’ 1960, recognised independence movements and carried out decolonisation 1957-1968 in an effective wayPolicy carried out with support of world leaders and pub...

YT
Answered by Yazmin T. History tutor
3102 Views

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