20%, I believe. The piece of wood lost 2 ounces of moisture after drying, and 2/10 = 20/100
Answer:
y=-2
Step-by-step explanation:
you are solving for the variable y
add 3 to the opposite side, so it cancels out
y=-5+3
y=-2
Answer:
6%
Step-by-step explanation:
$156/5 years = $31.20 per year
$31.20/$520 = .06
.06 x 100 = 6%
Answer:
B. 93%
Step-by-step explanation:
Find the z-score:
z = (x − μ) / σ
z = (122 − 100) / 15
z = 1.47
Find the probability using a calculator or z-score table.
P(Z < 1.47) = 0.93
Answer:
The value of the expression at w=3 is;

Explanation:
Given the expression;

Then when w=3, the value of the expression is;

The value is gotten by replacing/substituting w with 3 in the expression;
Therefore, the value of the expression at w=3 is;