Answer
B, i think
Step-by-step explanation:
Answer:
light takes 3×10^5 second s
so total seconds taken by the light =780×10^6/3×10^5
1 min=60sec
no. of min=2600/60
=43333min
Answer:
It's actually: None of these.
Think about it: In this case we have an inequality, of x ≤ 0.
This basically means, that x can be less than OR equal to 0.
But 0 is neither negative or positive, so we can eliminate the following answer choices:
- all positive integers
- all negative real numbers
- all positive real numbers
- all negative integers
And we are left with "None of these"
Let me know if this helps!
Step-by-step explanation:
convert to slope-intercept form
y = -2x + 4
Answer:
The standard deviation is simply the square root of the variance. The average deviation, also called the mean absolute deviation, is another measure of variability. To calculate the average deviation, simply subtract the mean from each value, then sum and average the absolute values of the differences.