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N=2a+b, where a is a two-digit square number and b is a two-digit cube number. What is the smallest possible value of N?

Considering the smallest possible value of N will mean finding the smallest possible values of a and b to give the minimum N. As a must be a square number, let's consider the square numbers: 1 squared is 1; ...
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Answered by Katherine H. • Maths tutor
8690 Views

How does DNA replication occur?

DNA normally exists in the cell as a double-stranded structure, comprising of two complementary strands that are held together by hydrogen bonds. DNA replication involves two main steps. Firstly, the enzyme ...
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Answered by Katharine H. • Biology tutor
12587 Views

How do I know when to use the subjunctive?

Understanding the subjunctive Most of the time in Spanish we use the imperative mood in expressions of certainty and objectivity. However, using the subjunctive mood is an effective way of gaining extra mark...
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Answered by Laura S. • Spanish tutor
3037 Views

What is the difference between accounts in balance sheet and income statement

Balance sheet accounts are accumulated numbers after many years since the day of operation. Meanwhile, income statement accounts demonstrate the total value of transaction incurred only in the current (repor...
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Answered by Khanh N. • Accounting tutor
2788 Views

How should I begin planning my personal statement?

Your personal statement should be an expression of both your academic and personal interests and achievements. After having experienced going through the personal statement writing process, I understand that...
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3130 Views