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Solve the simultaneous equations y+4x+1 = 0 and y^2+5x^2+2x = 0

x = -1/3 and y = 1/3 or x = -1/7 and y = -3/7

MQ
Answered by Mustafa Q. Maths tutor
4276 Views

What is a Pacinian corpuscle and how does it work?

The Pacinian corpuscle is a mechanoreceptor, which means it is a sensory receptor that responds to touch, pressure or vibration. Pacinian corpuscles are found deep in the skin, and respond to both pressur...

Answered by Biology tutor
16367 Views

Prove that 1 + tan^2 x = sec^2 x

We know that tan x = sin x/cos x and so tan2x = sin2x/cos2x. We also know that sin2x + cos2x = 1 because this is a Pythagorean identity. We can rewri...

EF
Answered by Eleanor F. Maths tutor
18632 Views

Integrate 2x^2 + 4

When we integrate, we raise the power by one and divide the term by the new power. So let's break the question down term by term. When integrating 2x2 we raise the power by 1 to get 2x3

EF
Answered by Eleanor F. Maths tutor
5085 Views

Two people who are heterozygous for retinitis pigmentosa are expecting a baby. Draw a genetic diagram to calculate the probability that the baby will have the condition. Use R for the normal allele and r for the allele for retinitis pigmentosa.

Parents Rr x RrPunnett Square Probability = 1/4

GM
Answered by Garry M. Biology tutor
2855 Views

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