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Solve the simultaneous equations: 4x + 2y = 26 and 3x + 3y = 21

Let eq 1 = 4x + 2y = 26 eq 2 = 3x + 3y = 21 Using the elimination method: You need to make either the xs or ys have the same constant term in both equations( sign does no...

DN
Answered by Dermot N. Maths tutor
4577 Views

A four sided pyramid, with a vertical height of 10cm and the base 4cmx4cm is placed on the top of a cylinder with radius 1.5cm and a height of 15cm. What is the exposed surface area?

Bottom end of cylinder = 1.52x pi = 7.07cm2Cylinder shaft surface area = 3 x pi x 15 = 141.4cm2Top end of cylinder exposed = 0 Base of pyramid exposed = (4 x 4) - 7.07 = 8...

GW
Answered by George W. Maths tutor
3379 Views

The mean mass of a squad of 19 hockey players is 82 kg A player of mass 93 kg joins the squad. Work out the mean mass of the squad now.

"Mean" stands for "average", so if you add the mass of all the players together, then divide by the amount of players, you get 82kg. [ (number of players) x (mean mass) = (sum of mass)...

HH
Answered by Henry H. Maths tutor
10355 Views

Describe Cloud Computing and give one advantage and one disadvantage of cloud computing for a business.

Cloud computing is the use of third party servers to store information online.An advantage of cloud computing is to be able to work collaboratively on documents. Cloud Computing is online meaning that mul...

MC
Answered by Maximillian C. ICT tutor
1748 Views

Name and explain 2 Moral/Ethical issues surrounding ICT.

One example of a Moral Issue surrounding ICT is how confidential people's data is. Many people need to have access to an individuals private data such as a school having the information about any child in...

MC
Answered by Maximillian C. ICT tutor
1600 Views

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