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A triangle has 3 angles of 60 degrees, (5y-40) degrees, and (2y+20) degrees. Show that the triangle is equilateral.

All the angles in a triangle add up to 180 degrees. Therefore, 60 + (5y - 40) + (2y + 20) = 180. This can be simplified to 7y +40 = 180. And simplified again to 7y = 140, which then means y = 140 / 7 = 20 de...
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Answered by Alex C. • Maths tutor
7525 Views

Billy wants to buy 10kg of the same oranges. Type A comes in bags of 1.25 kg and costs £1.50. Type B comes in bags of 5kg and used to cost £6.60 but are now 15% off. Which type is more worth it for Billy and how much does it cost?

For Type A: 10kg/1.25kg = 8 bags, therefore for 10kg it costs 8 x £1.50 = £12.00. For Type B: 1 bag used to cost £6.60 but now has 15% off =>15% of £6.60 => £6.60 x 0.15 = £0.99 => So one bag now co...
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Answered by Alex C. • Maths tutor
4897 Views

Was könnte man machen, um die Umwelt zu retten?

Es gibt wirklich vieles, was man machen könnte, um die Umwelt zu retten, aber dafür braucht man Zeit und Motivation. Wenn möglich sollte man erstens versuchen, auf das Auto zu verzichten und stattdessen das ...
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Answered by Dhruv N. • German tutor
2516 Views

What is electrical current?

How much electrical charge has been transferred per second (from the relationship Q=It) charge = current x time.
SH
Answered by Suzanna H. • Physics tutor
2812 Views

Discuss the theme of desire in a play you have studied.

Macbeth -Look at Macbeth and Lady Macbeth's power struggles, and the DESIRE for power leading to a fatal flaw. paragraphing S-statement E-evidence A-analyse L-link to question
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Answered by Suzanna H. • English tutor
2659 Views