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Given that z = 6 is a root of the cubic equation z^3 − 10z^2 + 37z + p = 0, find the value of p and the other roots.

Okay, first, we will tackle this by using the information given to us (z=6) to solve for p. By substituting 6 wherever there is a z, we will end up with 216 - 360 + 222 + p = 0.Solving this through rearra...

AW
Answered by Andrew W. Physics tutor
3286 Views

Joe buy a pack of 7 chocolate bars. The pack costs £5.97, Joe sells all 7 chocolate bars for 87p each. Work out Joes percentage profit to 2 decimal places.

7 x £0.87 = £6.09(6.09/5.97) x 100 = 102.01%so percentage profit is 2.01% to 2 d.p.

JL
Answered by Joel L. Maths tutor
2511 Views

What is the best way to revise for English literature?

Different revision techniques work for different people, but I find that employing a variety of different methods is often the best way to ensure that the most information information is retained. When st...

AR
Answered by Abbie R. English tutor
1592 Views

How should I approach primary sources in my A-level exam?

The basic expectation of any examiner when marking a source-based question is whether you have identified the value of the source to an historian with reference to the relevant historical context...

AG
Answered by Alexander G. History tutor
1852 Views

Explain what is meant by episodic, semantic, and procedural memory.

These are all types of long-term memory. Episodic memory is our memory store for personal events, it is our ability to recall memories from our daily lives. It is like a diary, memories are time stamped a...

KB
Answered by Kate B. Psychology tutor
10372 Views

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