How much of a(n) 90% orange juice drink must be mixed with 4 gallons of a 40% orange juice drink to obtain a mixture that is 50%
1 answer:
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Answer:
minutes
Step-by-step explanation:
<u>Given information:</u>
- Track is 400m long
- Mai runs at a constant speed of 250 meters/minute
- - - - - -
To find how many minutes it takes for Mai to complete 4 laps, we need to find the total distance Mai is running for:
meters
To find how many minutes Mai is running for, we divide by the distance Mai travels per minute:
minutes
∴ Mai takes minutes to run 4 laps around the track.
Hope this helps :)
Answer:
Step-by-step explanation:
Since the sine function and cosine function is negative hence, the angle theta must lie in 3rd quadrant.
In 3rd quadrant, tangent and cot functions are positive.
a)
b)