Determine whether the figures are similar.
2 answers:
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Answer:
x= 7/3
x=-4
Step-by-step explanation:
Use the quadratic formula
a= 3, b=5, c=-28
-5±
x= _________________
2.3
Simplfy
If the apple is on the ground, then the height y is 0. To find t, just plug in 0 for y:
So the answer is 2.74 seconds.
Note that taking the square root of 7.5, mathematically, gives you both 2.74 and -2.74. But because we know that time did not go backwards, only the positive value for t was considered.
So the answer is 2.74 seconds.
Note that taking the square root of 7.5, mathematically, gives you both 2.74 and -2.74. But because we know that time did not go backwards, only the positive value for t was considered.