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Leno4ka [110]
3 years ago
7

How to do?? find for x 10 points

Mathematics
1 answer:
laila [671]3 years ago
5 0

Check the picture below.

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Solve the system of equations using substitution.
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See attached picture for answer:

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3 years ago
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John borrowed $ from bank for 3 years at a rate of 10%
garik1379 [7]
<h3>Given:</h3>
  • P= $12500
  • R= 10%
  • T= 3 years
<h3>Note that:</h3>
  • P= Principal amount
  • R= Rate of interest
  • T= Time period
<h3>To find:</h3>
  • The simple interest
  • The total amount paid
<h3>Solution:</h3>

\large\boxed{Formula: I= \frac{PRT}{100}}

First, we'll have to multiply, principal amount (12500), rate (10) and time period (3).

12500×10×3

=375000

Now, we'll have to divide the amount (375000) by 100.

\frac{375000}{100}

<em>I=$3750</em>

Now, we can find the total amount paid.

\large\boxed{A=SI+P}

Let's substitute according to the formula.

A=3750+12500

<em>A=$16250</em>

<u>Therefore</u><u>,</u><u> </u><u>simple</u><u> </u><u>interest</u><u> </u><u>is</u><u> </u><u>$</u><u>3</u><u>7</u><u>5</u><u>0</u><u> </u><u>and</u><u> </u><u>$</u><u>1</u><u>6</u><u>2</u><u>5</u><u>0</u><u> </u><u>was</u><u> </u><u>paid</u><u> </u><u>in</u><u> </u><u>total</u><u>.</u>

5 0
2 years ago
Maria Addai has been offered a future payment of $990 two years from now. If she can earn 8.2 percent compounded annually on her
IgorLugansk [536]

Answer:

845.6306

Step-by-step explanation:

Firstly this is annuity based

Let, investment at beginning of year = <em>x</em>

Then value at year 1 end = x + (8.2% \times x)

Value at end of year 2 = (x + 0.082x) + (8.2% \times (x + 0.082x))

Now this value = $990

Therefore,

990 =  (x + 0.082x) + ((x + 0.082x) \times 8.2%)

990 = x + 0.082x + 0.082x + 0.006724x = 1.170724x

x = 990/1.170724 = 845.6306

3 0
3 years ago
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Find each sum (-4y+3) + (11y-5)
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Answer:

7y−2

Step-by-step explanation:

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A sweater costs $33.23 and is subject to a 3.8% sales tax. What is the amount of the sales tax?
Tju [1.3M]
I believe that it’s $1.26 sales tax
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