The coffee shop is having a special where 2 pounds of coffee cost four dollars. assume that the total cost in dollars y varies directly with the number of pounds of coffee x. this can be represented by y=2x. how much will 2.5 pounds of coffee cost

Step-by-step explanation:

If 2 pounds costs $4, then 1 pound costs $2.  That's why the equation is y = 2x and x is the number of pounds you buy.  If you buy 2.5 pounds, then the cost is y = 2(2.5) so

y = $5

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

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