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Suppose a population of size x experiences growth at a rate of dx/dt = kx where t is time measured in minutes and k is a constant. At t=0, x=xo. If the population doubles in 5 minutes, how much longer does it take for the population to reach triple of Xo.

2.925 minutes This question involves solving a first order differential equation via the separation of variables and then substituting in initial conditions in order to find a particular solution. Something ...
SW
Answered by Scott W. • Maths tutor
3634 Views

In one month, Karen takes the bus to school on 25 days. On 5 of these days the bus is late. What fraction of the days Karen takes the bus to school is the bus late? (Give your answer in the simplest form)

1/5 of the days.
LS
Answered by Libby S. • Maths tutor
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1. Polydactyly is caused by a dominant allele, D. The recessive allele of the gene is represented by d. Use one genetic diagram to show the inheritance of the polydactyly gene by R and S.

P generation Father (P) Mother(Q) Phenotype Polydactyly Normal Genotype Dd dd Gamete D d d d Fertilization Punnett Square for F1 generation F/M d d D Dd Dd d dd dd Phenotypic ratio: 1:1 Affected: Unaffected ...
SC
Answered by Suman C. • Biology tutor
10776 Views

Analysez les facteurs qui peuvent provoquer des disputes et des tensions entre les parents et leurs adolescents. Proposez des solutions qu'ils peuvent adopter pour une meilleure entente au sein de la famille.

Il est bien connu que les jeunes adolescents peuvent se montrer rebelles face à leurs parents à la maison. Les jeunes ont tendance à vouloir toujours plus de libertés et à pousser les limites de ce qui est p...
ED
Answered by Emma D. • French tutor
2789 Views

what is the total resistance of 2 resistors each with resistance 2 ohms in parallel?

1/R t = 1/R 1 + 1/R 2 The equation for resistors in parrallel. If R 1 and R 2 are both 2 ohms then 1/R t = 1/2 +1/2 = 1 so R t = 1 ohm. Note: Don't forget the units at the end.
HW
Answered by Hermione W. • Physics tutor
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