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Vanyuwa [196]
3 years ago
14

Jasmine has taken an online boating safety course and is now completing her end of course exam. As she answers each question, th

e progress bar at the bottom of the screen shows what portion of the test she has finished. She has just completed question 16 and the progress bar shows she is 20% complete. How many total questions are on the test? Use a table, diagram, or equation to justify your answer.
Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0

Answer:

Step-by-step explanation: yo do know this is a very helpful

Mademuasel [1]3 years ago
7 0
There are 80 questions
if 20%=16 Q
then 100÷20=5
therefore 5×16=80 questions on the test
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<h3>Answer:   5</h3>

=================================================

Work Shown:

x^2 - 5x + 1 = 0

x^2 + 1 - 5x = 0

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x + (1/x) = 5

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An alternative method involves solving the original equation using the quadratic formula. After you get the two roots x = p and x = q, you should be able to find that p + 1/p = 5 and also q + 1/q = 5 as well.

In this case,

p = (5 + sqrt(21))/2

q = (5 - sqrt(21))/2

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