Determine two pairs of polar coordinates for the point with 0° ? ? < 360°.(0, -
)
A. (, 0°), (-
, 180°)
B. (, 90°), (-
, 0°)
C. (, 90°), (-
, 270°)
D. (, 270°), (-
, 90°)
Answer: D
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Find the constant of proportionality for the stated conditions: z is directly proportional to the sum of x and y, and when src="https://sciemce.com/media/3/ppg__cognero__2.6_Proportion_and_Variation__media__926b1ba5-ad7f-4485-8393-c077879cb50a.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_a02714e1163f44d991c03522b" />.
, 
and
?
A. ?
B. ?
C. ?
D. 
E. ?
Solve. Write a mixed numeral for the answer.A road acceleration test measures the time in seconds required to go from 0 mph to 60 mph. The results for five cars were as follows: 6
sec, 7
sec, 8
sec, 6
sec, and 7
sec. What was the average time?
A. 7
sec
B. 7
sec
C. 7
sec
D. 7
sec
Answer the question.Which of the following statements are true?I: If S = {(x, y): x - y = 0 and x ? 0} and if P is its profile, then conv P = S.II: If S = {(x, y): x - y = 0 and 0 ? x ? 5} and if P is its profile, then conv P = S.
A. Both I and II B. II C. I D. Neither I or II
Complete the identity.sin 2x - cot x = ?
A. -cot x cos 2x B. cot x cos x C. cot x cos 2x D. -tan x cos 2x