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Give 2 methods of transmission of disease and an example for each

Transmission is the way in which a disease is spread. Transmission of disease can occur in multiple ways. Two methods of this are:1)- vector transmission 2)- waterAn example of vector transmission is tube...

Answered by Judith S. • Biology tutor

2734 Views

Simplify fully the fraction (a^2 + a − 6)/ (ab+3b)

so, let's split the fraction up, into the top half and the bottom half, and deal with each part at a time. The top part of the fraction (numerator) is a^2 +a -6 , and you can see that it is a quadratic eq...

Answered by Sinchana L. • Maths tutor

4825 Views

How to conjugate reflexive verbs in the present and perfect tense

In French, we use reflexive verbs to speak about an action that is done to oneself. We can think about reflexive verbs as reflecting back on the person that is doing the action. For example, I wake

Answered by Laura M. • French tutor

3884 Views

¿Quién es tu profesor/a favorito/a en tu colegio? ¿Por qué?

Mi profesora favorita es Senora Murphy, mi profesora de historia. Es mi profesora favorita porque es muy simpatica y me encanta la historia. Tambien, no nos da muchos deberes.

Answered by Luke C. • Spanish tutor

3277 Views

Differentiate (x^2)*(e^x) using product rule

Product rule: d/dx[f(x)g(x)]= f(x)d/dx[g(x)] + g(x)d/dx[f(x)]Let f(x)=x^2 and g(x)=e^xf'(x) = 2x and g'(x) = e^x Therefore,The derivative of (x^2)(e^x) = 2x(e^x) +(x^2)(e^x)

Answered by John B. • Maths tutor

2994 Views