Answer: D) csc (2π/3)
<u>Step-by-step explanation:</u>
2π/3 is in Quadrant II
Quadrant II has a negative x-value and a positive y-value.
x-values are: cos & sec
y-values are: sin & csc
tan = y/x so will be negative in Quadrant II
A) sec = -
B) tan = -
C) cos = -
D) csc = + this works!
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Answer:
-4y - 7
Step-by-step explanation:
Combine like terms. Note that there is one term with a variable (y), and two constant terms. Combine the constant terms. Note that one positive and one negative sign will result in a negative sign:
-4 + (-3) = -4 - 3 = -7
-4y - 7 is your answer.
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Answer:Store A
Step-by-step explanation:
Given
Store A sells 3 cells phones that cost $165 each and offer 4 th one free
i.e. Effective cost of each cell phone is
Store B sells each cell phone at each
clearly, store A provides a better deal than B because the cost of 4 cell phones is less for Store A i.e.
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Answer:
<u>7y +2x</u>
Let x = the number of weeks
Hope this helps!