Solve the system of equations. \begin{aligned} &-9y+4x - 20=0 \\\\ &-7y+16x-80=0 \end{aligned} −9y+4x−20=0 −7y+16x−80=
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The mean absolute deviation is a measure of variability in statistics. This number tells us how close the rest of the numbers are to the mean. The closer they are to the mean, the more reliable the data is.
The attached work shows how to find the MAD (mean absolute deviation).
Here are the steps:
1. Find the mean of the data. 2. Find the difference between the mean and the data values. 3. Find the average of these differences.
The attached work shows how to find the MAD (mean absolute deviation).
Here are the steps:
1. Find the mean of the data. 2. Find the difference between the mean and the data values. 3. Find the average of these differences.
The slope formula:
m - a slopeb - y-intercept
We have:
and point 
Substitute:
Answer: A.
m - a slopeb - y-intercept
We have:
Substitute:
Answer: A.
Option C
Monthly loan payment is $ 93.33
<em><u>Solution:</u></em>
From given question,
Cost of sailboat = $ 3000
Down payment = $ 1000
<em><u>Hence net principal is given as:</u></em>
net principal = p = $ 3000 - $ 1000 = $ 2000
p = $ 2000
The bank approved a simple interest flat rate loan for 2 years at 6% APR
Hence number of years = 2 years
Rate of interest = 6 %
<em><u>Let us first calculate the simple interest</u></em>
The formula for simple interest is given as:
Substituting the given values,
Thus simple interest = $ 240
Total amount payable = principal + simple interest
Total amount payable = $ 2000 + $ 240
Total amount payable = $ 2240
<em><u>How much are the monthly loan payments?</u></em>
Here number of years = 2 years
To calculate the monthly payment divide the total amount payable by 24 (since 2 year = 24 months )
Thus monthly loan payment is $ 93.33 Option C is correct