Top answers


Solve the equation 2y^(1/2) -7y^(1/4) +3 = 0

2y 1/2 -7y 1/4 + 3 = 0 We need to use a substitution to obtain a quadratic.Let y 1/4 = x (use the y with the smallest fractional power as your substitution)From this, we can see that y 1/2 = x 2 (using the l...
SL
Answered by Sarah L. • Maths tutor
7069 Views

Describe the sliding filament theory.

The sliding filament theory demonstrates how the muscles in our body contract. As a signal reaches the neuromuscular junction (motor end plate), neurotransmitters such as Acetylcholine will diffuse across th...
RG
Answered by Rithvik G. • Biology tutor
15978 Views

Using the product rule, differentiate y=(2x)(e^3x)

The product rule states that if y=uv, where u and v are both functions of x , then dy/dx = u(dv/dx) + v(du/dx) Therefore, the differential of 2x e 3x can be found by letting 2x= u and e 3x =v . u= 2x, du/dx ...
CO
Answered by Christy O. • Maths tutor
7514 Views

How can a city become sustainable?

Sustainability in cities involves improving and developing cities whilst preserving the environment and resources. Sustainable cities must control the use of resources. This can be done by improving the effi...
JA
Answered by James A. • Geography tutor
2945 Views

What is the structure of a protein?

Structure of the protein is easier to understand if we start from the beginning and gradually build up our knowledge. Firstly, proteins are made of amino acids. Each amino acid is made of a central carbon at...
DS
Answered by Daria S. • Biology tutor
3371 Views