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A scalene triangle ABC has side lengths AB=6cm, BC=4cm, and AC=x cm. The angle A, opposite BC, is 40 degrees and the angle B, opposite AC, is 50 degrees. State the sine rule and use it to find the value of x to 3 s.f.

The sine rule states that for any scalene triangle ABC the following equation holds: BC/sin(A) = AC/sin(B) = AB/sin(C) . [Draw a diagram.] By drawing the triangle and substituting the values that we know int...
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Answered by Thomas C. • Maths tutor
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How are leaves adapted for photosynthesis?

Leaves are broad with a large surface area so that they are exposed to more light and can maximize light absorption. - They are thin and flat so that carbon dioxide has a shorter distance to diffuse and the ...
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Answered by Dylan T. • Biology tutor
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State three ways in which the body will respond to hot temperatures.

An acceptable answer would include any of these: - Nervous and hormonal systems carry signals to skin, liver and muscles. - Erector muscles relax and hairs lie flat to reduce insulation. - You sweat a lot (c...
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Answered by Dylan T. • Biology tutor
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What are personal pronouns?

I will be using a diagram and table to help explain my answer in the interview!
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Answered by Helena B. • German tutor
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How is Power presented in Shelley's Ozymandias?

Power is presented largely as fragile through the manipulation of the Lentini and Shakespearean sonnet forms and the disruption of rhyme as a result. Shelley's own revolutionary ambitions to overthrow his ru...
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