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just olya [345]
3 years ago
13

David & Dan share a lottery win of £9900 in the ratio 3 : 2. David then shares his part between himself, his wife & thei

r son in the ratio 4 : 4 : 2. How much more does his wife get over their son?
Mathematics
1 answer:
elena55 [62]3 years ago
4 0
Ummmmm I think skidoo's a
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this is the trigonometric ratio.. we are looking for d... that is the opposite... any side facing the angel is the opposite.... so the longest side of the right angle triangle is the hypotenuse........ so you are looking for the opposite and you are giving the hypotenuse.... so the easiest way to know how to find it is by using this way...... SOH CAH TOA..... the first words stand for sin cosine and tangent of angles.... we are using sin.... because it says opposite / hypotenuse... and as you can see the angle which is 39 degree we will use sin 39.....what will be sin 39=d/30m....then ull cross multiply.... d=30m* sin 39.....

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