AnwarWeirdLol8811
28.06.2019 •
Mathematics
Each table below shows the time and distance samantha and her friends traveled four different road trips. in which table is there a linear relationship between time and distance?
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Ответ:
220/4 = 55
A is not
B 70/1 = 70
150/2 = 75
B is not
C 160/2 = 80
240/3 = 80
400 / 5 = 80
480 / 6 = 80
C is linear
D 75/1 = 75
150/2 = 75
225/4 =56.25
D is not
Ответ:
Option B.
Step-by-step explanation:
Consider the below figure attached with this question.
In the given figure AB║CD, AB=4, AC=7.
In a right angles triangle
In triangle ABC,
The means of angle BAC is 55.15°.
AB║CD, so m∠BAC=m∠ACD (alternate interior angles).
In triangle ACD,
On cross multiplication we get
The measure of CD is 12.25 units.
Therefore, the correct option is B.