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What is 64^(2/3)?

When the index of a number is a fraction such as 2/3, first take the cubic root, then square the number. For example: 64 1/3 = cube root of 64(64 1/3 ) 2 = 64 2/3 64 2/3 =( 64 1/3 ) 2 = (4) 2 = 16
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Answered by James T. • Maths tutor
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What is the difference between oxidation and reduction?

Oxidation and reduction are considered opposites in terms of electrons moving. Oxidation occurs when an electron is lost, while reduction occurs when an electron is gained. It is often seen with oxygen being...
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Answered by Luke P. • Chemistry tutor
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solve the simultaneous equations x^2 + y^2 = 5 and 3x+1=y

Substitute in y to the first equationx 2 + (3x+1) 2 = 510x 2 + 6x - 4 = 55x 2 +3x-2=0(5x-2)(x+1)x=2/5 or -1Sub these values of x into the first equationy=11/5 and -2
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Answered by Isabel D. • Maths tutor
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What if I don't understand the unseen poem?

Good question, this has happened to us all! First of all, don't panic. Take time to read through the poem carefully a few times over. Ask yourself the following questions:1) Who is the speaker? ( not the sam...
EM
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GCSE Italian: Translate the following sentence into Italian. I live near to my school and I usually go there by bicycle. Yesterday it rained, however, so I decided to go by bus. I get on well with all my teachers, but my favourite subject is History. We

The translation would be the following: Abito vicino la mia scuola e di solito vado lì in bici. Ieri però ha piovuto, quindi ho deciso di andare in autobus. Vado d'accordo con tutti i miei professori, tuttav...
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Answered by Paola S. • Italian tutor
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