Answer:
all work is pictured and shown
Answer:
c
Step-by-step explanation:
c
In order to answer this question, we use the concept of ratio and proportion wherein we use the equation,
R1 / T2 = R2 / T1
where R is for rate and T is for time. Substituting the known values to the equation,
(600)/x = (400)/ 20
The value of x from the equation is 30. Thus, it will take 30 hours if the rate was adjusted to 400 gallons per minute.
Answer:
24 oz has the lowest cost per ounce.
Step-by-step explanation:
12 oz ---> $2.49
1 oz --> $2.49/12
1 oz --> $0.2075
14 oz --> $3.15
1 oz --> $3.15/14
1 oz --> $0.225
20 oz --> $5
1 oz --> $5/20
1 oz --> $0.25
24 oz --> $4.56
1 oz --> $4.56/24
1 oz --> $0.19 ..........this is the lowest cost per ounce
36 oz --> $7.2
1 oz --> $7.2/36
1 oz --> $0.2
Answer:
Option 1, 2, 5 are the correct answer.
Explanation:
We have the quadratic equation, 
First derivative of the equation is given by 2x - 6 = 0
So x = 3
At x = 3 the value of quadratic equation is extreme, corresponding y is given by 
, So extreme value is at (3,-7)
Second derivative of the quadratic equation is given by 2 ( positive value)
Second derivative is positive so graph of equation has a minimum value.
Now root of the equation is given by
or
Option 1, 2, 5 are the correct answer.
