Find the difference: (20x + 3) - (7x - 5) *
1 answer:
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Answer:
The answer to your question is: r = 0.1
Step-by-step explanation:
Data
P = $4500
A = $9000
t = 9 years
r = rate
Formula
Substitution
Simplification
Result
r = 1.08 - 1
r = 0.08 ≈ 0.1
Answer:
y - 10 = 5(x - 15)
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (15, 10) and (x₂, y₂ ) = (16, 15)
m = =
= 5
Using (a, b) = (15, 10), then
y - 10 = 5(x - 15)