Two thirds is equal to four sixths
Hello!
We have to find how fast the car goes a minute
To find this we can do 57/60 since the car goes 57 miles an hour and there are 60 minutes in an hour
This gives us 0.95 miles a minutes
Answer:
a)
, b) 
Step-by-step explanation:
a) The rate of change of the brightness of the Cepheid can be determined by deriving the function in time:


b) The rate of increase after one day is:


Lengths are 11cm , 13cm , 16cm , 12cm
Step-by-step explanation:
Perimeter = Sum of measure of all the sides of quadrilateral.
In the question , perimeter = 52 cm
So,




