Okay i’m pretty sure it’s the first one, 1 square and 4 triangles.
Answer:
2x+2y
Step-by-step explanation:
x+x = 2x
y+y = 2y
2x+2y
Answer:
Obtuse
Step-by-step explanation:
One of the angles is above 90 degrees
Answer:27
Step-by-step explanation:
Answer:
4.428 hours
Step-by-step explanation:
If the learning rate is 0.81, the slope of the learning curve is:

The time it takes to produce the n-th unit is:

If T1 = 8 hours, the time required to produce the seventh unit will be:

It will take roughly 4.428 hours.