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How do I find the equation of a line that is perpendicular to another line?

Okay so let's say that the equation of the line you are given is y=2x+3 and you are told this new line must pass through the coordinates (2,4). The first thing we need to do is check we understand every b...

Answered by Evie H. • Maths tutor

3381 Views

the graph y = 3/((1-4x)*(1/2)) has a shaded region between x = 0 and x = 2, find area of the region

intergrate y with respect to x between x=0 and x=2. remove 3 from the numerator, take outside intergration intergrate normally answer = 3

Answered by Charlie N. • Maths tutor

3899 Views

Sam uses 140g of flour to make 12 cakes. How much flour will Sam need to make 21 cakes?

140 / 12 = 11.666^.

11.66^. * 21 = 245

Answered by Charlie N. • Maths tutor

3625 Views

Question: What proportion of the clock is the area covered when the time is 12:10? (Here the question should indicate the time stated and shade in the proportion of the clock to be computed.)

The key to answering this question is for the student to realise that even though the area to be computed is a difficlut shape (an arc), the clock consists of 5 more arcs of the same shape. Once the stude...

Answered by Annita V. • Maths tutor

3623 Views

Work out the value of 2a^2 + b^3 when a = 5 and b = –3

To work out the values you need to sub in a and b into the equation, giving you: 2(5)² + (-3)³ From this we use the rules of BODMAS to first complete the orders and obtain: 2*25 + (-...

Answered by Kyle M. • Maths tutor

5487 Views