Yes it is correct, make sure to check your work carefully though, i’ve used that math program in the past and it can be confusing.
Answer:
cos(
) or 0.339
Step-by-step explanation:
They increased it by $10.
It ended up costing $60.
Hope this helps.
Answer:
5.2%.
Step-by-step explanation:
After 1 hour (60 / 100) * 700 = 420 gallons of beer have been exchanged.
So we have 420 gallons of 6% and 280 gallons of 4% after 1 hour.
So the strength at that time = (420* 6) + 280*4) / 700
= 5.2%.