Dan and David win some money and share it in the ratio 5:4. Dan gets £8 more than David. How much did David get

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

4 0

£32 i hope that helps ☺️

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What is the point of an object where the force of gravity is considered to act?

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3 years ago

Pls Help!!! Worth 99 Pts!!

Alenkasestr [34]

First, for end behavior, the highest power of x is x^3 and it is positive. So towards infinity, the graph will be positive, and towards negative infinity the graph will be negative (because this is a cubic graph)

To find the zeros, you set the equation equal to 0 and solve for x
x^3+2x^2-8x=0
x(x^2+2x-8)=0
x(x+4)(x-2)=0
x=0 x=-4 x=2

So the zeros are at 0, -4, and 2. Therefore, you can plot the points (0,0), (-4,0) and (2,0)

And we can plug values into the original that are between each of the zeros to see which intervals are positive or negative.
Plugging in a -5 gets us -35
-1 gets us 9
1 gets us -5
3 gets us 21

So now you know end behavior, zeroes, and signs of intervals

Hope this helps

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3 years ago

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Given: 8x-61=17, prove: 39/4

Degger [83]

Answer:

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