Derrick has $3500 in a savings account that earns 12% annually. If the interest is not compounded, how much interest will he ear
1 answer:
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Answer:
x ≈ 23.31
Step-by-step explanation:
We can use the law of cosines because we know 2 sides and 1 angle.
The general formula for the law of cosines if the triangle sides are a, b,c and α is the angle between sides a and b. c is the missing side.
In our problem the law of cosines is
x =
x ≈ 23.31
Answer:
c =
Step-by-step explanation:
Calculate the slope m using the slope formula and equate to
m =
with (x₁, y₁ ) = (5, 4) and (x₂, y₂ ) = (2, c)
m = =
, then
=
( cross- multiply )
2(c - 4) = - 3
2c - 8 = - 3 ( add 8 to both sides )
2c = 5 ( divide both sides by 2 )
c =