Answer:
Step-by-step explanation:
As given
As given the expression.
Solving the above
In the decimal form.
= 8.67 (Approx)
Answer:
-3
Step-by-step explanation:
to eliminate 6x we need the same no. 6x but that should be negative. so
2X × -3 = -6X
and
6X+(-6X)=0
There follows the formula for "z-score:"
raw score - mean
z = ------------------------------
standard dev
9.1 - 8
Here, the z-score is z = ------------- = 0.344
3.2
Answer:
$1200
Step-by-step explanation:
$4000 x .06 = $240 x 5 years = $1200
(1600,3600) you multiply the 4X400 and 9X400