Fill in the bubble next to all the doubles facts you could use to find the sum of 3+2? () 1+1
1 answer:
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4 goes in to 405 a total of 101 times, with a remainder of 1.
101 x 4 = 404
404 + 1 = 405
Hope that helped :)
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Answer:
b2 = 2A/h -b1
Step-by-step explanation:
The usual formula for the area of a trapezoid is ...
We can solve this for b2:
Answer:
The object's temperature after 18 minutes is of 426ºC.
Step-by-step explanation:
The temperature after t minutes is modeled by an exponential function, which has the following format:
In which T(0) is the initial temperature, and r is the cooling rate, as a decimal.
Its initial temperature is 730°C and it cools at a rate of 2.95% per minute
This means that . So
Find the object's temperature after 18.0 minutes.
This is . So
The object's temperature after 18 minutes is of 426ºC.