Answer:
-1/4
Step-by-step explanation:
slope is always rise/run so
(-8)-(-5)=-3
-3/12=-1/4
the slope is -1/4
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Step-by-step explanation:
- 4x+5= 20
- 4x=20-5
- 4x= 15
- x= 15/4
therefore the answer is option
b) X= 15/4
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Answer:


Step-by-step explanation:
Let x and y are the two positive real numbers
product of two numbers is 21


The sum of the two numbers is f(x) =x+y
Replace y with 21/x

we need to find smallest possible sum , so we take derivative using power rule

when sum is minimum then the derivative is equal to 0


multiply both sides by x^2


Take square root on both sides



