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The second and fifth terms of a geometric series are 750 and -6 respectively. Find: (1) the common ratio; (2) the first term of the series; (3) the sum to infinity of the series

xn = ar(n-1)(1) x2 = 750 = ar1(2) x5 = -6 = ar4divide second equation by first-6/750 = r3r3 = -0.008r= -0.2Insert in...

HP
Answered by Henry P. Maths tutor
5661 Views

What is transcription?

Protein synthesis is the production of new proteins. This happens in two stages, transcription and translation
Transcription - forming mRNA from DNA
1) The DNA section to be co...

RH
Answered by Rebecca H. Biology tutor
10703 Views

When does a past participle agree with its preceding object in French?

The straightforward answer is when the normal order is swapped, and the object comes before the past participle. This means that you would say "J'ai écrit une lettre", ...

DT
Answered by Daire T. French tutor
1476 Views

How does Percy Bysshe Shelley explore the theme of change in 'Ozymandias'?

Described as a mocking and sneering “King of Kings”, Shelley creates an arrogant and proud persona for the titular Ozymandias. This is further emphasised by the dscription of his statue as “vast” and &quo...

HR
Answered by Hannah R. English tutor
7052 Views

Why are zinc and Scandium not transition metals?

A transition metal is defined as an element that forms a stable ion with incompletely filled d orbitals. Scandium forms a 3+ ion with no electrons in its d orbitals and zinc forms a 3+ ion with completely...

EO
Answered by Ellie O. Chemistry tutor
27397 Views

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