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What is the mean of the numbers: 1, 7, 25, 9 and 34?

The mean of a group of numbers is found by dividing their sum by how many numbers there are. Mean=(1+7+25+9+34)/5=76/5=15.2
IR
Answered by Isabel R. • Maths tutor
4652 Views

What is active transport?

All of this is to do with moving stuff over a barrier called a cell membrane. I want you to imagine the cell membrane to be like a border of a country and the stuff to be different pizzas being delivered ove...
RK
Answered by Raj K. • Biology tutor
4452 Views

How do I find the roots and and coordinates of the vertex of the graph y = 2x^2 + 4x - 8 ?

y = 2x^2 + 4x - 8y = 2( x^2 + 2x - 4)Completing the square:y = 2( (x+1)^2 - 1 - 4 )y = 2(x+1)^2 -10the vertex of graph lies at the minimum value of y, and this occurs when x = -1:y = 2(-1+1)^2 -10y = -10ther...
JA
Answered by Joe A. • Maths tutor
7941 Views

I've been given London by William Blake to analyse for homework but I'm really struggling. There really aren't that many devices in it. My question is, how does William Blake present powerlessness in London?

You're right, there aren't that many devices in London. That's not a problem, though. Your question gives you a lot of help. You're looking for powerlessness and how it's presented. So let's find an example....
EK
11827 Views

State one advantage and one disadvantage of using a CT scanner, compared with ultrasound scanning, for forming images of the inside of the human body. (2 Marks)

Advantage- Computeried Tomography provides an image with greater resolution than ultrasound. (1 mark) It also produces a 3D image made from lots of individual slices which can be viewed from various differen...
TC
Answered by Tate C. • Physics tutor
11716 Views