Top answers

All subjects
All levels

Find the general solution to the differential equation: d^2y/dx^2 - 8 dy/dx +16y = 2x

d2y/dx2 - 8 dy/dx +16 y = 2x Auxiliary Equation: m2 - 8m +16 = 0 (m - 4)=...

OF
8464 Views

Cystic fibrosis is an autosomal recessive condition. In a population, 0.04% of individuals have the disease. Use the Hardy-Weinberg equation to calculate the number of carriers of cystic fibrosis.

Autosomal recessive means that 2 copies of a allele are required for the phenotype. The phenotype is the set of observable characteristics due to the genotype. In this case the phenotype is whether an ind...

CN
Answered by Caitlin N. Biology tutor
6576 Views

If Q = P / (R (4 – t)), calculate the value of Q when P = 36, R = 3 and t = –2

So seeing as you are given the values for P, R and t, the first thing you need to do is substitute the letters for their given numbers into the equation: Q = (36) / ((3)(4 - (-2)) Now expand out the b...

RB
Answered by Rosie B. Maths tutor
4162 Views

Write x/(x-1) - x/(x+1) as a single fraction in its simplest form (Edexcel GCSE 2016)

The key concept to answering this question is to notice that you need a common denominator for both fractions in order to subtract and simplify them. Clearly the two denominators: (x-1) and (x+1) are not ...

FK
Answered by Fritz K. Maths tutor
9285 Views

1/7 + 5/3x

1 x 3x / 7 x 3x + 5 x7 / 3x /7

= 3x/21x + 35/21x

= 3x + 35 / 21x 

RC
Answered by Rachel C. Maths tutor
3434 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning