Web24 jul. 2024 · Algebra 1 Answer seol Jul 24, 2024 x = 18 Explanation: Note: this is if there is no specified or necessary formula for x and y Proportions. Use x y format. First set: 9 6 Second set: x 12 Set them equivalent to each other: 9 6 = x 12 9 ⋅ 12 = x ⋅ 6 apply cross multiplication equivalency 108 = 6x simplified 108 6 = x divide to isolate x 18 = x Web5 dec. 2013 · y = 12 when x = -15 Direct variation equation is y = kx. The given numbers form one ratio expressed as y/x = 12/-15 To find y, when x = 2 we set up another ratio …
SOLVED: If y=12 when x=15 find x when y=21 - numerade.com
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 WebAnswer (1 of 15): We have 2 unknown variables and 2 equations so we can get the values of x and y. Adding both equations(RHS to RHS and LHS to LHS) x+y+x-y=15+12 2x=27 … laser alma opinie
inverse variation Flashcards Quizlet
Web28 sep. 2024 · If y varies directly with x ....y = k x, where k is a constant of variation. To find y when x=2 forthis direct variation relationship we need to find the constant o variation, k. So using given example y=12 and x = 15... 12 = k (15) 12/15 = k. k= 4/5. So the direct variation equation. y = 4/5 x can now be used to find y when x = 2. WebEnter variation details below: and when. <-- What is given. The following practice problem has been generated for you: y varies inversely as x, and y = 8 when x = 6, solve for y … Web13 jan. 2024 · Mathematics Middle School answered If y=12 when x=15 find x when y=21 See answer Advertisement Andy0416 Y=12+9=21 x=15+9=24 Thus,x=24 when y=21. … laser fusion vs tokamak