What are the coordinates of the center and length of the radius of the circle whose equation is X^2+6x+4y=23?
1 answer:
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Hello,
4 is to 78 as x is to 100, we write it as a ratio:
4 is to 78 as x is to 100, we write it as a ratio:
Answer:
56
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
( cross- multiply )
20(32 + ?) = 1760 ( divide both sides by 20 )
32 + ? = 88 ( subtract 32 from both sides )
? = 56