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What is homeostasis and explain two ways in which the human body is able to reduce its temperature when it is too hot as an example of homeostasis.

Homeostasis is defined as a process to maintain a constant internal environment. There are multiple ways in which the body is able to maintain a constant internal temperature such as;

...
AP
Answered by Amelia P. Biology tutor
2747 Views

How would you convert the Binary number 01001101 into both Hexadecimal and Decimal?

Into Decimal (Base 10): Write the values for each bit above the number to be converted (128, 64, 32, 16, 8, 4, 2, 1). For each bit in the number to be converted, if it is a 1, circle the value that you wr...

GM
Answered by George M. Computing tutor
12744 Views

Integrate ⌠( xcos^2(x))dx

We must first use trigonometric identities to simplify cos2(x). We can use the formula cos(A+B) = cos(A)cos(B) - sin(A)sin(B) , where A=x and B=x, so that we ...

DA
Answered by Daniel A. Maths tutor
10401 Views

A uniform plank of wood of mass 32 kg and length 4.0 m is used to cross a ditch. In the ditch is a rock, which is used to support the plank horizontally 0.80 m from one end. The other end is supported by the bank. Calculate the rock's supporting force.

We need to calculate moments about a point through which one of the forces is acting. I choose the bank support point. At this point, 

moments are caused by the weight of the plank acting at its ce...

RS
Answered by Ricardo S. Physics tutor
12657 Views

A curve C has equation y = (2 - x)(1 + x) + 3 . A line passes through the point (2, 3) and the point on C with x-coordinate 2 + h . Find the gradient of the line, giving your answer in its simplest form.

First we find the y coordinate which is a function of x:

x = 2+ h so  y = (2 - 2 - h)(1 + 2 + h) + 3 = -h2 - 3h + 3

Now for the gradient, the line passes through points (2,3) and ...

RS
Answered by Ricardo S. Maths tutor
4314 Views

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