A business has $15,000 to spend on airline tickets to travel to a conference. It wants 27 of its employees to attend. The busine
2 answers:
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The answer for A is,
And the answer for B is,
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sorry of its wrong.
Answer:
The time taken for the flare to hit the ground is approximately 10.7 seconds.
Step-by-step explanation:
Given : Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation models the h height at t seconds of the flare.
To find : How long will it take for the flare to hit the ground?
Solution :
The equation models the h height at t seconds of the flare.
The flare to hit the ground when h=0.
Substitute in the equation,
Applying quadratic formula,
Where, a=-16, b=160 and c=120
Reject the negative value.
Therefore, the time taken for the flare to hit the ground is approximately 10.7 seconds.
Answer:
It takes 70 minutes for 9 team members (painting 60 sq ft per minute) to paint a 4200 sq ft wall.
Step-by-step explanation:
According to the situation the calculation is shown below:-
=
= 240 sq ft each member of the team in 36 minutes
=
= 6.67 sq ft each member of the team within 1 minute
= 60 sq ft for every 9 team members in one minute
=
= 70 minutes (or 1 hour and 10 minutes)
Hence, the 70 minutes is taken for 9 team members