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Solve this pair of simultaneous equations to find x and y

(1) 2x - 5y = 11(2) 3x + 2y = 7-----------------------Multiply equation (1) by 3 & Multiply equation (2) by 2 to give equal values for x:(3) 6x - 15y = 33(4) 6x + 4y = 14-----------------------Take eq...

Answered by James B. • Maths tutor

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Find the equation of the straight line which passes through the point (0, 3) and is perpendicular to the straight line with equation y = 2x.

We know that a straight line has a general formula: y = mx+c, where m is the gradient of the line and c is the y-intercept; so, we are looking to find m and c.

The line passes through th...

Answered by Flavian M. • Maths tutor

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Integrate (x^3 - x^2 - 5x + 7) with respect to x.

Remember to integrate you +1 to the power and divide by the new power:(x³⁺¹/3+1) - (x²⁺¹/2+1) - 5(x¹⁺¹/1+1) + 7(x⁰⁺¹/0+1) + CDONT FORGET YOUR CONSTANTx⁴

Answered by Nathan L. • Maths tutor

5404 Views

How should I aproach a connected rates of change question.

You should start by identifying which parts have a fixed rate of change e.g. water is being poured in at 50 cm^3/s. You should then identify what is changing in relation to this e.g the height of fluid in...

Answered by Kyle C. • Maths tutor

7484 Views

What are the parameters of the Poisson distribution?

In a Poisson Distribution, there exists only one parameter, μ, the average number of successes in a given time interval. The mean and variance of the distribution are als...

Answered by Anuradha D. • Maths tutor

27017 Views