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lisov135 [29]
3 years ago
5

Using technology, determine the semi-annual payment on a 3 year loan of $8,561 at 9.1% compounded semi-annually. Round your answ

er to the nearest cent.
Mathematics
2 answers:
Dima020 [189]3 years ago
7 0
The semi-annual payment on a 3 year loan of $8,561 at 9.1% compounded semi-annually is $1,662.47.
AlladinOne [14]3 years ago
6 0

Answer:

The semi-annual payment is $1662.47

Step-by-step explanation:

Given : A 3 year loan of $8,561 at 9.1% compounded semi-annually.

We have to determine the semi annual payment.

We know,

P=\frac{PV\cdot r}{1-(1+r)^{-n}}

Where PV is present value of loan.

r is rate of interest

n is time period.

Given loan is calculated semi annually,

So PV = $ 8561

r = 9.1% = \frac{9.1}{200}

and time period is 3 years = 6 number of period as semi annually.

Thus, Substitute,

We get,

P=\frac{8561\cdot\left(\frac{9.1}{200}\right)}{1-\left(1+\frac{9.1}{200}\right)^{-6}}

P=1662.47

Thus, the semi-annual payment is $1662.47

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How many ML of a 35% acid mixture and a 95% acid mixture should be mixed to get 120 ML of a 40% acid mixture?
Anon25 [30]

<u>ANSWER: </u>

110ML of 35% acid solution must be mixed with 10ML of 95% solution to obtain 120ML of 40% solution.

<u>SOLUTION:   </u>

First, set up table. fill in the unknowns with variables x and y.  The table is attached below.

From the table shown below, we can easily set up the two equations.  

Sum of values of two acids = Value of mixture  

0.35x + 0.95y = 48  

For convenience, we will multiply the entire equation by 100,

35 x + 95y = 4800     ------ (1)  

Now, Sum of amounts of each acid = Amount of mixture  

x + y = 120    --------- (2)

Multiply eqn 2  with 35 for easy calculation and derive the equation into one variable.

35 = 35x + 35y = 4200  

Subtracting equation (2) from (1),  we get

0 + 60y = 600  

Thus, 60y = 600  

y = \frac{600}{60} = 10

Substituting y = 10 in (2),

35x + 35(10) = 4200  

35x + 350 = 4200  

35x = 4200 - 350  

35x = 3850  

x = \frac{3850}{35} = 110

So, we have x = 110 and y = 10

We can conclude that 110ML of 35% acid solution must be mixed with 10ML of 95% solution to obtain 120 ML of 40% solution.

3 0
2 years ago
The ordered pair below is a solution to which equation?
Helga [31]
Hello,

One solution is y=x/9
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6 0
3 years ago
What coordinate do lines 2/3x+1/6y=2/3 and 4x+y=4 meet?
VMariaS [17]

Answer:

The coordinates of the lines when both lines meets at point is ( 0, 0 )

Step-by-step explanation:

Given as :

The two lines are

\frac{2}{3}x + \frac{1}{6}y = \frac{2}{3}

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The coordinate of the lines are obtained when the two lines intersect

Let the coordinate of intersection points are ( x , y )

Now , The first lines as

\frac{2}{3}x + \frac{1}{6}y = \frac{2}{3}

Or, Taking LCM we get ,

\frac{4x + y}{6} = \frac{2}{3}

Cross multiplication both sides

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Or,  3 × 4 x +  3 × y = 12

Or, 12 x + 3 y = 12          ...........A

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Solving both the line equations

(12 x + 3 y ) - ( 12 x + 3 y ) = 12 - 12

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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