Answer: The z-scores for Stephan's IL and FL electric bills. are -0.625 and 0.75 respectively.
Step-by-step explanation:
Given: Average monthly electric bill in Illinois = $83
Average monthly electric bill in Florida = $102
Formula of z : 
In Illinois, the mean monthly electric bill is $85, with a standard deviation of $3.20.
In Florida, the mean monthly electric bill is $105, with a standard deviation of $4.00.
Hence, the z-scores for Stephan's IL and FL electric bills. are -0.625 and 0.75 respectively.
Answer:
a=43
Step-by-step explanation:
w+w+w= 45 which means 15+15+15=45
b+b+b=21 which means 7+7+7=21
s+s+s=12 which means 4+4+4=12
w+b×s= a which means 15+7×4= 43
(hope this helps)
Answer:
y=3/4x+5
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(8-5)/(4-0)
m=3/4
y-y1=m(x-x1)
y-5=3/4(x-0)
y-5=3/4(x)
y-5=3/4x
y=3/4x+5
Answer:
vr
Step-by-step explanation:
konho bi m
Answer:
6
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
10 + (-3.5) × 2 + (-9) ÷ (-3)
<u>Step 2: Evaluate</u>
- Multiply: 10 - 7 + (-9) ÷ (-3)
- Divide: 10 - 7 + 3
- Subtract: 3 + 3
- Add: 6
