Solve: 2/3-4x+7/2=-9x+5/6 X=-3/2 X=-2/3 X=2/3 X=3/2
2 answers:
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Answer:
Slope of the line DV = -1
Step-by-step explanation:
Let point D (-5, 1) be
Let point V (-1, -3) be
Plug in the appropriate values,
slope equals -1
Answer:
The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
I is the Final Interest Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
Let
x-----> the amount invested at 5%
50,000-x -----> the amount invested at 7%
so
substitute in the formula above
solve for x
therefore
The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000