WebYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: ASSUME THAT Y VARIES DIRECTLY WITH X, THEN SOLVE. IF Y=12 … WebIf y varies directly as x, and y = 10 when x = 7, find y when x = 12. Apply the cross products rule. Inverse variation The phrase “ y varies inversely as x ” or “ y is inversely proportional to x ” means that as x gets bigger, y gets smaller, or vice versa. This concept is translated in two ways.
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Web1 nov. 2024 · To find y, when x = 2 we set up another ratio y/2 By the definition both ratios are equal 12/-15 = y/2 Multiple to each side by 2. 12*2/-15 = 2y/2 8/-5 = y y = -8/5 Advertisement bowlingangela01 Answer: With the information given on a scale of (12/-15) or -0.8. Meaning y is -8 tenths of x so -0.8x2= -1.6 Answer: y= -1.6 Advertisement WebIf y varies directly as x, and y=15 when x=20,find y when x=68 - 7400962. answered If y varies directly as x, ... n-18=12 how solve algebraic Previous Next Advertisement We're … right angle area
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WebClick here👆to get an answer to your question ️ If x and y vary inversely as each other and x = 5 when y = 15, find x when y = 12. Solve Study Textbooks Guides. Join / Login. … WebClick here to see ALL problems on Equations Question 96381: If y varies directly as x and y=14 when x=8. Find x when y=21. Answer by mathman409 (67) ( Show Source ): You … Weby = kx Where k is the constant of proportionality Example: y is directly proportional to x, and when x=3 then y=15. What is the constant of proportionality? They are directly proportional, so: y = kx Put in what we know (y=15 and x=3): 15 = k × 3 Solve (by dividing both sides by 3): 15/3 = k × 3/3 5 = k × 1 k = 5 right angle arrow symbol