Can I get help! Plz. The questions in the screenshot.
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Mathematics, 21.06.2019 23:30
Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3
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Mathematics, 22.06.2019 06:00
Sound travels about 750 miles per hour. a) suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet? for this i got 825 ft b) suppose you stand 1,925 feet from the canyon wall and sound the horn. how long will it take to hear the echo? (i'm stuck on this)
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Mathematics, 22.06.2019 06:00
1. which answer is the solution set to the given inequality? 2x+6< 8 a. x e (-โ,1) b. x e [1,โ) c. x e (1,โ) d. x e (-โ,1] 2. which answer represents the given compound inequality in interval notation? xโฅ12 or x< -4 a. x e [-4, 12) b. x e (-โ, -4) u [12,โ) c. x e (-โ, -4] u (12,โ) d. x e (-4,12] 3. which answer is the solution set of the given compound inequality? 7> x+6 or x-2โฅ3 a. x e (-โ, 1) u [5,โ) b. x e (1, 5] c. x e (-โ, 1) โฉ [5,โ) d. x e [1,5) 4. which conjunction or disconjunction is equivalent to the given absolute value inequality? |x+3|> 12 a. x+3> 12 and x+3< -12 b. x+3< 12 and x+3> -12 c. x+3< 12 or x+3> -12 d. x+3> 12 or x+3< -12
Answers: 1
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