suppose 4 adults produce 124.8 lb of garbage in one week. at this rate, how many pounds will 50 adults produce in one week?
2 answers:
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First
angle in front of c is 30°, so hypotenuse is equal to 2c
it's right triangle, so let's use Pythagorean theorem\
Second
b - the base of the triangle, angles at the base are equal ⇒ cathets are equal
it's right triangle, so let's use Pythagorean theorem
The attached shows the two plots. The break-even points are near
x = 21
x = 256
x = 21
x = 256