I believe this very answer is actually 11
Answer:
A.TRUE
Because of the Central Limit Theorem
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random skewed variable X, with mean and standard deviation , the sampling distributions of the mean with size n of at least 30 can be approximated to a normal distribution with mean and standard deviation
So the correct answer is:
A.TRUE
Because of the Central Limit Theorem
1.) 5x + 10y = 15 => x + 2y = 3 => 3x + 6y = 9
2.) -9x - 12y = 6 => 9x + 12y = -6 => 3x + 4y = -2
3.) -2x + 4y = -5 => 2x - 4y = 5 => 4x - 8y = 10
3*584...
3*500 = 1500
3*80 = 240
3*4 = 12
1752.
Explanation; Like addition, you can do these expanded forms by taking each number out one at a time using their place value and adding them all together. Tried. Not good with explaining.
Represent the data in table form.
x y
--- -----
-2 10
1 -5
3 -15
6 -30
Let y = k*x where k = constant.
Test x = -2:
k*(-2) = 10
k = -5
Test x = 1:
k*x = -5*1 = -5 Correct
Test x = 3:
k*x = -5*3 = -15 Correct
Test x = 6:
k*x = -5*6 = -30 Correct
Therefore the relation is
y = -5x, which is a direct variation.
Answer: direct variation.
Because the volume, V varies inversely as pressure, P, let
V = c/P where c = constant
Set V = 320 cm³, P = 40 kg/cm².
320 = c/40
c = 320*40 = 12800
Therefore
V = 12800/P
When V = 200 cm³, obtain
200 = 12800/P
200P = 12800
P = 12800/200 = 64 kg/cm²
Answer: P = 64 kg/cm²