Answer:
<u>x = 36</u>
Step-by-step explanation:
180 - 126 = 54
90 + 54 + x = 180
144 + x = 180
180 - 144 = x
x = 36
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Answer:
The representative sample contained more girls than boys.
Step-by-step explanation:
Solution:-
- Denote the number of boys going on trip, B = 65
- Denote the number of boys going on trip, G = 95
- The total of T = 160 students are going on the trip.
- We are to randomly select a representative sample from the population of students with T = 160 students in total.
- The proportion of boys population ( p ) among the total population can be determined:
p = B / T
p = 65 / 160
p = 0.40625
- The proportion of girls population ( q ) among the total population can be determined:
q = G / T
q = 95 / 160
q = 0.59375
- For us to select a representative group of sample size ( n ) from the population of 160 student. The possibility of finding a girl on that representative group is q = 59.4 % while the possibility of finding a boy on that representative group is p = 40.6 %.
Answer: We are likely to see more girls as part of the representative group as compared to boys.
Answer:
For the first one, x is 9 and y is 2. 9 + 3(2) = 15. The second is y = 3.75
Answer:
True, a strict inequality would be graphed with a dashed line
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If the angle equals 50°, then the measurement of the required angle is
<span>.. 180°-(50°/2) = 155°. </span>
<span>If the angle equals 90°, then the measurement of the required angle is </span>
<span>.. 180° -(90°/2) = 135° </span>
<span>If the angle equals 150°, then the measurement of the required angle is </span>
<span>.. 180° -(150°/2) = 105°</span>