In a certain chemical, the ratio of zinc to copper is 4 to 17. a jar of the chemical contains 663 grams of copper. how many grams of zinc does it contain?

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a