Answer:
Step-by-step explanation: lol
Answer:
Step-by-step explanation:
2x+4y=36 - equation 1
6x+2y=3 - equation 2
from equation 1,
2x + 4y = 36
2x = 36 - 4y
x = 36/2 - 4y/2
x= 18 - 2y - equation 3
insert equation 3 into equation 2
then, 6x+2y=3
therefore, 6(18 - 2y) + 2y = 3
108 - 12y + 2y = 3
108 -10y = 3
108 - 3 = 10y
105 = 10y
y = 105/10
y = 10.5
in solving for x, insert y = 10.5 into equation 1
therefore, 2x+4y=36
2x + 4 (10.5) = 36
2x + 42 = 36
2x = 36 - 42
2x = -6
x = -6/2
therefore x= -3
Ordered pair, x= -3 and y = 10.5
<span>52.14 dollars per week.
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Answer:
The type of sampling method Dr. Lawrence going to use is Quota Sampling.
Step-by-step explanation:
In quota sampling participants are chosen nonrandomly so it is not a representative sampling method. In this case Dr.Lawrence has a quota of 15% for first-time students and 85% for returning, so the survey she is conducting is non-random. The sampling method she should use is Quota Sampling.
