Answer:
6
Step-by-step explanation:
2x+2y=2*(-2)+2*5=6
Answer:
The answer D) because you add the same variable's which leave you with 2x-4
Step-by-step explanation:
first do positive 7-4-1=2. after that do the variables which get you 2x+1x+1x=4x
The answer is A ( need points)
Answer:
98% Confidence interval: (0.5483,0.6891)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 257
Number of adults total body length was 28 feet or longer, x = 159
98% Confidence interval:
Putting the values, we get:
is the required 98% confidence interval.
Answer:
For this task, draw the line y=3/4x+1 for a parralel line and y=-4/3x for a perpendicular line
Lines with the same slopes are parralel and lines with the inverse opposite slopes are perpendicular
For example a line with a slope of 5 will have a perpendicular slope of -1/5
Step-by-step explanation: