A survey was done that asked people to indicate whether they preferred running outdoors or running indoors. The results of the s
urvey are shown in the two-way table.
Amir is making a relative frequency table from this data.
What operation should Amir perform to determine the relative frequency of a person age 30 and younger who prefers to run outdoors?
Divide 382 by 1027.
Add 681 to 1027, then divide by 1027.
Subtract 382 from 1027, then divide by 1027.
Divide 681 by 1027.
Amir is making a relative frequency table from this data.
What operation should Amir perform to determine the relative frequency of a person age 30 and younger who prefers to run outdoors?
Divide 382 by 1027.
Add 681 to 1027, then divide by 1027.
Subtract 382 from 1027, then divide by 1027.
Divide 681 by 1027.
1 answer:
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Answer:
Step-by-step explanation:
Properties of a kite;
1). A kite has one pair of equal angles.
2). A kite has two pairs of adjacent sides.
3). Diagonals of a kite intersect at 90°.
4). Kite has at least one diagonal that bisects the opposite angles.
It's given in the question,
m∠ABC = 70° and m∠ADC = 46°
By the property number -4,
m∠2 = m∠3 = = 35°
m∠8 = m∠9 = = 23°
By the property number - 3,
m∠4 = 90°
By the property of interior angles in a triangle,
m∠3 + m∠4 + m∠5 = 180°
35° + 90° + m∠5 = 180°
125° + m∠5 = 180°
m∠5 = 55°
Similarly, m∠1 + m∠2 + 90° = 180°
m∠1 + 35° + 90° = 180°
m∠1 = 55°
Now m∠6 + 90° + m∠8 = 180°
m∠6 + 90° + 23° = 180°
m∠6 = 180 - 113 = 67°
Therefore, m∠6 = m∠7 = 67°