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Differentiate the following: 7x^2 - 3x^3 + 5 + 27x

To solve this, we mutiply the powers by their respective co-efficients, then we lower the power by 1. If there isn't any X value following the number, we ignore the number entirely because it is a constant. ...
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Answered by Oliver S. • Maths tutor
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Describe and explain one supply-side policy aimed at shifting the long run aggregate supply curve.

One example of a supply-side policy is education and training. The government could increase spending on schools to improving teaching, increase and improve learning resources or create more internship progr...
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Answered by Oliver S. • Economics tutor
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Phosphorus is burned in air at 500 ºC to produce gaseous phosphorus(V) oxide. 220 g of phosphorus was reacted with an excess of air. Calculate the volume, in m3, of gaseous phosphorus(V) oxide produced

Additional information given: P 4 (s) + 5O 2 (g) = P 4 O 10 (g) Pressure = 101kPa Temp = 500 o C gas constant R = 8.31JK -1 mol -1 Question to student: What are the first observations from the equation? Equa...
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Answered by Natalie B. • Chemistry tutor
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I don't understand the future tense. Please can you explain it to me?

In French there are 2 future tenses that you need to know about: the future tense and the immediate future tense. The future tense is formed by adding the present tense of "avoir" (Except for Nous ...
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Answered by Shannon K. • French tutor
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What kind of disorder is a phobia?

It is an anxiety disorder which is a continuous feeling of fear and anxiety which is disabling and can impose on daily functioning. They can be triggered by something that may seem trivial to others (possibl...
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Answered by Lauren B. • Psychology tutor
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