Answer:
x=1, y=-4. (1, -4).
Step-by-step explanation:
y=-7x+3
y=-x-3
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-7x+3=-x-3
-7x-(-x)+3=-3
-7x+x=-3-3
-6x=-6
6x=6
x=6/6
x=1
y=-1-3=-4
Option A:
Slope of the line is .
Solution:
Given points are (1, 1) and (7, 5).
To find the slope of the line:
Slope of the line:
Hence slope of the line is .
Option A is the correct answer.
Answer:
last one
Step-by-step explanation:
because it shows that its negitive
Answer:
1 time unit
Step-by-step explanation:
There is a 1 in 3 chance that the time until the bulb burns out is zero, and a 2 in 3 chance that the time is the average between 0 and 3 (since it is uniformly distributed). Therefore, the expected value for the time until it burns is:
The expected value of the time until the lightbulb burns out is 1 time unit.