Find two positive numbers satisfying the given requirements. The product is 768 and the sum of the first plus three times the second is a minimum.
(first number)
(second number)

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answer: no

step-by-step explanation:

you are only given the cost not the amount of pounds.

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