The expected value is
The standard deviation is the square root of the variance, which is
where
so that
making the standard deviation
Given a right triangle with base, b and height, h with the angle opposide side h as θ.
The area of a triangle is given by
But,
Therefore, the area of the triangle in terms of <span>b and θ only is given by
</span>
Answer:
46.2cm
Step-by-step explanation:
You do 7.4+12+14.8+6+6=46.2
So you've gotta have a variable representing the number of seconds between the time when you see lightning and the time when you hear thunder. I'm going to use <em>x.
</em>So equation:
<em /><em>x</em>/5=2
Solving:
you have to multiply both sides by five, so it becomes:
<em>x</em> = 10
so it's 10 seconds!
Paul made $70 shoveling snow and $25 salting driveways. He set 35% of his total earnings aside for taxes. How much did he set aside for taxes?
33.25
Step-by-step explanation:
= 35% x (70 + 25)
= 0.35 x (70 + 25)
= 0.35 x 95
= 33.25
HOPE THIS HELPS^^