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Solve the simultaneous equations: 8x + 2y =46, and 7x + 3y = 47

Whenever we have two equations with two unknowns (x and y) to solve simultaneously, we can try to substitute one equation into the other. If we were to multiply every term in equation 1 by 1.5, then we would...
TC
Answered by Thomas C. • Maths tutor
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Is a just in time (JIT) stock management system likely to benefit a clothing retailer?

Just in time (JIT) is a stock control system that removes the need to hold large quantities of buffer stocks. Stocks arrive just before they are required. JIT would improve the cash flow of a company, with l...
JS
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Explain how one of Gettier’s original counter examples attacks the tripartite view of knowledge.

The tripartite view of (propositional) knowledge (call this view: TVK) is a view that wishes to give an analysis of constructions such as "X knows that p" where 'X' stands for a noun phrase referri...
TD
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Which of the following shows the formation of the intermediate in the mechanism for the reaction between ethene and bromine?

Answer C
NI
Answered by Ndidi I. • Chemistry tutor
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simplify 7(3y-5) - 2(10 + 4y)

Working on the left hand side of the expression, we have to distribute the 7 taking into consideration the negative sign. So, 7 multiplied by 3y= 21y and 7X-5= -35. Simplifying the right hand side,being care...
JK
Answered by Jenany K. • Maths tutor
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