At least how many grams of copper must be alloyed with 387 g of pure silver to produce an alloy that is no more than 90% pure si
1 answer:
You might be interested in
Answer:
14.5 cm
Step-by-step explanation:
Pythagorean theorem: a^2 + b^2 = c^2
c = hypotenuse (15)
to solve for b (other leg), the equation is b^2 = c^2-a^2
15^2 - 4^2 = 209
= approx. 14.5
the other leg is (rounded to the nearest 10th) 14.5 cm