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In this section we're going to revisit some of the applications which we saw in the Linear Applications section & see some instance which will require us to solve a quadratic equation to acquire the answer.
Note that the solutions in these cases will almost always needs the quadratic formula so expect to employ it and don't get excited regarding it. Also, we are going to suppose that you can do the quadratic formula work and thus we won't be showing that work. We will provide the results of the quadratic formula; we just won't be showing the work.
Also, as we will see, we will have to get decimal answer to these & so as a general rule here we will round all answers to four decimal places.
A police academy is training 14 new recruits. Some are working dogs and others are police officers. There are 38 legs in all. How many of each type of recruits are there?
solve x-y=8 and x+y=4 using one of the algebraic methods
what is the standard deviation of a graph
SUPPOSE Y IS DIRECTLY PROPORTIONAL TO X AND THAT Y = 35 WHEN X = 5 FIND THE CONSTANT OF PROPORTIONALITY K K=
need helpplease
Linda has a total of 225 on 3 tests. The sum of the scores on the first and second tests exceeds her third score by 61. Her first test exceeds her second by 6 points. Find Linda''s
how to do factorization by taking out the common factor
HOW TO FACTOR THE GIVEN
I need help solving -5=1/4(4+20r)-8r
A three-digit number between 600 and 700 is one less than 30 times the sum of the digits. Of the tens digit is one less than the unit digit, what is the number?
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