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How does digestion work?

Digestion is the process of breaking down the big molecules of food that we eat, into smaller molecules that the body can absorb and use. To help break down the food, we need enzymes, which the body produces...
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Answered by Surina T. • Biology tutor
4523 Views

How to solve the following for x: (2x+3)/(x-4) - (2x-8)(2x+1) = 1

(The full answer produced answer is annotated working out, but since this text box won't let me submit pictures, I'll do my best to transcribe)First, we gather the two fractions by using a common denominator...
CF
Answered by Cal F. • Maths tutor
3909 Views

You will have studied a recent earthquake event. To what extent is this location likely to be well prepared for an earthquake in the future? Explain your answer fully using specific detail. 6 marks.

The magnitude 7 earthquake that hit the LEDC central American country of Haiti on the 12th January 2010 is an event that one could argue highlights how the country is not sufficiently prepared for future ear...
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Answered by Andrew C. • Geography tutor
3289 Views

Joan cycles from her house to a shop 900 m away. She then cycles to her friends' house 700 m away. The average speed for the first part of her journey is 2 m/s. The second part takes her 16 mins. What is the average speed for her entire journey?

S: 900 700D: 2 m/sT: 960s Need to find speed in seconds so convert 16 mins to seconds. To find average, we must find time for the first part. Using the basic D/S, the time is 900/2 = 450 s.Speed for the seco...
AR
Answered by Aisha R. • Maths tutor
3392 Views

In a triangle ABC, side BC = 8.1 cm, side AC = 7 cm, and angle ACB = 30 degrees. What is the area of the triangle?

Initially, one might think to use area = 1/2 x base x height, however drawing the triangle immediately shows that this is not possible here. We then think to use the formula for area using two adjacent sides...
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Answered by Ellie B. • Maths tutor
4365 Views