Top answers

What is the method of doubt?

The method of doubt is a method developed by the philosopher René Descartes (1596 -1650) in his famous essay, Meditations on First Philosophy (1641). Descartes goal was to find a method which allowed him to ...
AA
60557 Views

Integrate (2x)(e^x)dx

Solve via Integration by parts: let u=2x and dv/dx=e x the function that is u and the one that is dv/dx is given by LATHE (easier to explain on whiteboard) make the table: u=2x => du/dx=2; dv/dx = e x =&g...
MR
Answered by Maksadul R. • Maths tutor
23201 Views

There is a right-angle triangle with hypothenus H = 5 cm and side A = 3 cm. Find the length of the third side B using Pythagoras' Theorem.

Pythagoras' theroem states that on a right-angle triangle, the square of the longest side (hypothenus) is equal to the sum of the squares of the other two sides. Therefore, H 2 = A 2 + B 2 5 2 = 3 2 + B 2 25...
AV
Answered by Ashwin V. • Maths tutor
3674 Views

Explain how the use of antibiotics might lead to a resistant strain of bacteria arising.

-Antibiotics kill individual bacterial cells. Random mutation of the DNA in a bacterial cell might confer antibiotic resistance to that bacterial cell. A cell with the resistance mutation is less likely to b...
MP
Answered by Mark P. • Biology tutor
3009 Views

Intergrate 15x^2 + 7

Using the intergarting rules, you would add a power then divide that new number to the coefficent so you would get 5x^3 and just add one x to the 7 and dont forget the c. So the end answer would be 5x^3 + 7x...
WJ
Answered by William J. • Maths tutor
3982 Views