Please take just a few seconds longer and write "inverse cosine" as either:
arccos x or
-1
cos x or
cos ^(-1) x
A is true, since for any given x in [0, pi], there is exactly one associated y-value.
C is false. For one input (x) value, there is more than 1 associated y-value.
Answer:3x² + 20x + 12 = 0
Explanation:The LCD for the given equation is 2x²
We will multiply each term by this factor as follows:
1- Left hand side: * 2x² = 2x² - 2x - 12 ...........> I
2- Right hand side:First term: * 2x² = x² - 6x ..............> II
Second term: * 2x² = 4x² + 24x .............> III
From I, II and III, the equation now becomes:2x² - 2x - 12 = x² - 6x + 4x² + 24x
2x² - 2x - 12 = 5x² + 18x
5x² + 18x - 2x² + 2x + 12 = 0
3x² + 20x + 12 = 0
Hope this helps :)
Answer:


2105182
21.03.2020
Math
Secondary School
answered
You randomly draw a marble from a bag of marbles that contains 7 blue marbles, 2 green marbles, and 1 red marble.What is P (not drawing a blue marble)
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vineetgolde14
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Answer:
total=10
so P(not drawing to blue)= 3/10



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amitnrw
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3/10 is the Probability of not Drawing Blue Marbles
Step-by-step explanation:
Blue Marbles = 7
Green Marbles = 2
Red Marbles = 1
Total Marbles = 7 + 2 + 1 = 10
Probaility of Drawing Blue Marbles = 7 /10
Probability of not Drawing Blue Marbles = 1 - Probaility of Drawing Blue Marbles
= 1 - 7/10
= 3/10
or
Probability of not Drawing Blue Marbles = Probability of drawing Green or Red Marbles
= 2/10 + 1/10
= 3/10
3/10 is the Probability of not Drawing Blue Marbles