Answer:
second and last are true
Step-by-step explanation:
What is the first quartile of the following data set?<br>
15, 18, 20, 21, 23, 24, 26, 29, 34, 37, 40
nikklg [1K]
Answer:
20.5
Step-by-step explanation:
20 + 21 = 41. Divide 41 by 2 than you get 20.5.
Answer: ∠B=70°
Step-by-step explanation:
It is shown in the diagram that ∠A and ∠B is vertical angles.
- Vertical angle theorem: opposite angles are congruent.
<u>Solve:</u>
∠A=∠B
8x+6=4x+38
4x=32
x=8
<h2>∠B=4x+38=4(8)+38=32+38=70°</h2>
The train will have been traveling for 4 hours
train A=45,90,135, 180
train B=0,60,120,180
