How many more barrels of gasoline then diesel were produced last year gasoline 34% diesel 29% total crude oil -60 million barrel
2 answers:
Answer: 3 million barrels
Step-by-step explanation:
Given :- Total crude oil= 60 million barrels
Quantity of gasoline = 34% of total crude oil
Quantity of diesel = 29% of total crude oil
Clearly, Quantity of gasoline is more than Quantity of diesel
difference = Quantity of gasoline-Quantity of diesel
Therefore, The production of gasoline is 3 million barrels more than diesel last year.
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Answer
Josh's textbook reached the ground first
Josh's textbook reached the ground first by a difference of
Step-by-step explanation:
Before we proceed let us re write correctly the height equation which in correct form reads:
Eqn(1).
Where:
: is the height range as a function of time
: is the initial velocity
: is the initial heightin feet and is given as 40 feet, thus Eqn(1). becomes:
Eqn(2).
Now let us use the given information and set up our equations for Ben and Josh.
<u>Ben:</u>
We know that
Thus Eqn. (2) becomes:
Eqn.(3)
<u>Josh:</u>
We know that
Thus Eqn. (2) becomes:
Eqn. (4).
<em><u>Now since we want to find whose textbook reaches the ground first and by how many seconds we need to solve each equation (i.e. Eqns. (3) and (4)) at </u></em><em><u>. Now since both are quadratic equations we will solve one showing the full method which can be repeated for the other one. </u></em>
Thus we have for Ben, Eqn. (3) gives:
Using the quadratic expression to find the roots of the quadratic we have:
Since time can only be positive we reject the solution and we keep that Ben's book took
seconds to reach the ground.
Similarly solving for Josh we obtain
Thus again we reject the negative and keep the positive solution, so Josh's book took seconds to reach the ground.
Then we can find the difference between Ben and Josh times as
So to answer the original question:
<em>Whose textbook reaches the ground first and by how many seconds?</em>
- Josh's textbook reached the ground first
- Josh's textbook reached the ground first by a difference of