Answer:
-1/2
Step-by-step explanation:
y2-y1 4-5 -1
--------- = -------- = --------
x2-x1 6-4 2
Answer:
The lower bound of 19.4 is 19.35
Answer:
Answer B: 10.12
Step-by-step explanation:
Let the numbers be represented by a, b and c. Their sum is 44.84. The number a is 24.6. Further, assume that b = c.
Then 24.6 + b + b = 44.84.
Let's isolate 2b:
Subtract 24.6 from both sides of this equation, obtaining:
2b = 20.24.
Finally, divide both sides of this equation by 2. We get b = 10.12.
This corresponds with Answer B.
Answer: 3 minutes
Step-by-step explanation:
it increased by 3 minutes everyday starting from 3, 6, and then finally 9.