I think question cannot be deleted here because I also tried
Answer:
x = -1
Step-by-step explanation:
Step 1: Write equation
-4(-5x + 2) - 3x - 5 = -30
Step 2: Solve for <em>x</em>
<u>Distribute -4:</u> 20x - 8 - 3x - 5 = -30
<u>Combine like terms:</u> 17x - 13 = -30
<u>Add 13 on both sides:</u> 17x = -17
<u>Divide both sides by 17:</u> x = -1
45.0,
the 4 rounds up to 5 because the 9 is a higher value of 5 or more
So it can be known anywhere. So we use all of the same measurements
Answer:
The variance is 53.29 kg²
Step-by-step explanation:
The standard deviation is the square root of the variance.
So

In which problem, we have that:

So



The variance is 53.29 kg²