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Describe the route in which blood runs through the human heart

Blood is carried from the body to the heart via the Super Vena cavaIt enters the heart first into the right atrium before going through the right atrioventricular (tricuspid) valve into the right ventricl...

Answered by Simrit B. • Biology tutor

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Figure 1 shows a sector AOB of a circle with centre O and radius r cm. The angle AOB is θ radians. The area of the sector AOB is 11 cm2 Given that the perimeter of the sector is 4 times the length of the arc AB, find the exact value of r.

theta/2pi x2pir = length of ABso therefore simplifying gives... thetar = AB
Perimeter = 2r+thetarequate the answer of 4AB to the perimeter.Solve for theta which eventually give 2/3...

Answered by Tutor460124 D. • Maths tutor

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Outline the reasons for which the charge that ‘he must tax food’ was problematic for Chamberlain’s Tariff Reform campaign?

Chamberlain’s contentious commitment to Tariff Reform in 1903 dominated cross party debate and national political discussion in the years that followed. In his speech at Glasgow , the consequences of prop...

Answered by • History tutor

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What should I revise before taking the HAT?

There is no particular content that you should revise before taking the HAT. The HAT is not made to test your knowledge but to test your skills - particularly your ability to analyse sources and to constr...

Answered by • HAT tutor

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