Sarah has xx nickels and yy dimes. She has a maximum of 18 coins worth no less than $1.20 combined. Solve this system of inequalities graphically and determine one possible solution. Please help needs to be in slope intercept form.
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i dont know

step-by-step explanation:

unless if u could do my questions, if not i wouldn't want to

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it