Joan has a collection of 23 coins consisting of nickles. 3 quarters. if the total is $4.55 how many of each type of coin is there?

the answer is 5/14.

hope this .

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d