What is d in this problem 2/5d-1=3/5d-3
1 answer:
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The change in quantities can be represented as percentage
<em>The percentage decrease in miles driven is 34.83%</em>
The given parameters are:
The percentage decrease is calculated as:
Substitute known values
The negative sign implies that, the change represents a decrement.
Hence, the percentage decrease in miles driven is 34.83%
Read more about percentage change at:
Let
F--------> represent the force
m--------> represent the mass
a-------> represent the acceleration
we know that
The formula that relates three quantities: Force (F), mass (m), and acceleration (a) is equal to
<u>Part a)</u> Solve this equation for a
Divide both sides by the mass
therefore
<u>the answer part a) is equal to</u>
<u>Part b) </u>Let the force be 25 units and the mass be m = 10 units. What is the acceleration, a?
we know that
the formula of acceleration is equal to
in this problem
we have
Substitute the values n the formula
therefore
<u>the answer part b( is equal to</u>
<u>Part c)</u> Let the force be F = 25 units and the acceleration be a = 5 units. What is the mass, m?
we know that
Solve for m
Divide both sides by the acceleration
in this problem
we have
Substitute the values n the formula
therefore
<u>the answer Part c) is </u>