Answer:
The answer is: d > -3
Step-by-step explanation:
-7d + 8 > 29
Solve for d:
-7d > 21
d > 21/-7
d > -3
Proof:
-7d + 8 > 29
-7(-3) + 8 = 29
21 + 8 = 29
29 = 29, therefore any number d greater than -3 fulfills the inequality.
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Given that,
A circular running track is ¼ mile long.
Elena runs on this track, completing each lap in 1/16 of an hour
To find,
Elena’s running speed.
Solution,
Formula used :
Speed = distance/time
So, Elena’s running speed is 4 mph.
Step-by-step explanation:
TanA = SinA/CosA
tanA = 2xy / (x² + y²),
Sin A = CosA * 2xy / (x² + y²)
Answer:
smallest positive x intercept =Π/2