Input in stand form the equation of the given line.
1 answer:
Answer:
3x +8y = -17
Step-by-step explanation:
The point-slope equation is a good place to start.
y -k = m(x -h) . . . . . equation through (h, k) with slope m
Filling in your numbers gives ...
y +4 = -3/8(x -5)
Multiplying by 8, we get
8y + 32 = -3x + 15
Adding 3x-32 puts this in standard form.
3x + 8y = -17
_____
Standard form is ...
ax +by = c
where a, b, c are mutually-prime integers and the leading coefficient is positive. (If a=0, the leading coefficient is b.)
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We have been given that a customer charges a treadmill at Annie's Sport Shop. The price is $4,000 and the financing charge is 6% per annum if the bill is not paid in 30 days. We asked to find the amount of finance charges.
We will use simple interest formula to solve our given problem.
, where
I = Amount of interest,
P = Principal amount,
r = Annual interest rate in decimal form,
t = Time in years.
Since our time if given in days, so we need to convert 30 days into year.
1 year = 365 days,
30 days = year
Upon substituting our given values in simple interest formula, we will get:
Upon rounding to nearest whole number, we will get:
Therefore, the amount of finance charge will be $20 and option 'b' is the correct choice.