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A ladder 6.2m long is leaning against a wall. The bottom of the ladder is 0.8m from the wall. Calculate the distance the ladder reaches up the wall, giving your answer to two decimal points.

Using the information given, we can draw a diagram of the ladder leaning against the wall. As the wall is at 90 degrees to the ground, we can see that the ladder, wall and ground form a right-angled trian...

PF
Answered by Pippa F. Maths tutor
11337 Views

How does temperature affect enzyme activity?

A low temperatures enzyme activity will be slow but as the temperature rises the enzyme will gain more kinetic energy and hence move around more enabling greater interaction with the substrate. This will ...

AW
Answered by Amelia W. Biology tutor
14928 Views

Find the two solutions to the quadratic equation x^2-9x+18

The constant 18 can be written in the form 3*6. Therefore the brackets will take the form (x 3)(x 6). In order to find the sign in between them, we have to write -9 using 3 and 6. -9=-3-6 so the brackets ...

FA
Answered by Felix A. Maths tutor
5350 Views

What is stepwise refinement in top down programming?

This is the process of breaking down a problem into sections which become progressively smaller until each module can be written as a singular function. Each module can be tested separately or form part o...

ZN
Answered by Zoe N. Computing tutor
6753 Views

How can I think of a melody for my composition?

Melodies can seem really hard to invent, but it's actually quite easy if you go about it the right way. Listen to the start of Beethoven's Fifth Symphony on YouTube (https://www.youtube.com/watch?v=_4IRMY...

CA
Answered by Caitlin A. Music tutor
4559 Views

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