Which is the better unit price: $1.99 for a 3-ounce bottle or $2.49 for a 4-ounce bottle?
2 answers:
Answer:
The second option, $2.49 for a 4-ounce bottle.
Step-by-step explanation:
For the first option:
$1.99 for 3 ounces.
For 1 ounce,
For the second option:
$2.49 for 4 ounces.
For 1 ounce,
Since 0.6225 is cheaper/less than 0.6633..., the second option is better as you can get one ounce at a cheaper rate.
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First of all, a positive average rate of change means that the function is increasing, so the answer can only be A->B or B->C.
The average rate of change is defined as
i.e. as the ratio between the vertical and horizontal gain.
In order to go from point A to point B, you gain 1 unit horizontally and 5 units vertically. So, the average rate of change is 5/1=5.
In order to go from point B to point C, you gain 1 unit horizontally and 3 units vertically. So, the average rate of change is 3/1=3.
Answer:
Step-by-step explanation:
we know that
The volume of a trough is equal to
where
B is the area of equilateral triangle
L is the length of a trough
step 1
Find the area of equilateral triangle B
The area of a equilateral triangle applying the law of sines is equal to
where
substitute
step 2
Find the volume of a trough
we have
substitute