Mathematics, 04.07.2019 05:30 juliannabartra
An alloy of silver and gold is to be recast with an addition of silver. the alloy consists of 80 ounces, 10 ounces of which are gold. if the new alloy is to have only one-fifth of an ounce of gold in 5 ounces, how much silver must be added? a.) 170 ounces b.) 77 ounces c.) 4 ounces
Answers: 1
Mathematics, 21.06.2019 12:50
Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.
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An alloy of silver and gold is to be recast with an addition of silver. the alloy consists of 80 oun...
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