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BaLLatris [955]
3 years ago
10

You have invested $12,000 into two different companies company 1 earns you 6% on your investment each year and Company 2 earns y

ou 50% each year if you earn $700 each year how much was invested in each company?
Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0

The correct questions says 5% each year for Company 2.

The amount invested in companies A and B are; $10,000 and $2000 respectively.

<h3>Percentages on Investment</h3>

Let the amount in Company 1 be; x

Let the amount in Company 2 be; y

Hence, we have the equation;

  • x + y = 12,000

Additionally, 6% is earned on company 1 and 50% on company 2.

Therefore, we have;

  • 0.06x + 0.05y = 700

  • 6x + 5y = 70000

by solving the equation simultaneously;

  • 6(12000 -y) + 5y = 70000

  • 72000 - 6y + 5y = 70000

  • y = $2000

  • x = $12000 - $2000

  • x = 10000

  • x = $10,000

Read more on simultaneous equations;

brainly.com/question/16863577

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find the perimeter of a square if the length of its diagonal is 16 millimeters. round to the nearest tenth.
bekas [8.4K]

Answer:

45.3 mm

Step-by-step explanation:

Use the basic 45-45-90 triangle with side length 1 as the building block here.  If the length of one side is 1, then the perimeter is 1 + 1 + 1 + 1, or 4, and the length of the diagonal is √2.

We are told that the length of the diagonal of the given square is 16 m.

Determine the length of one side of this square, using an equation of proportions:

 16        x

------ = -------

 √2       1

                                             16

Then (√2)x = 16, and x = -----------

                                             √2

The perimeter of the given square (with diagonal 16 mm)  is 4 times the side length found above, or:

      16                      16

4 ---------- = (2)(2) -----------  =  (2)(√2)(16) = 32√2 (all measurements in mm)

       √2                    √2

This perimeter, rounded to the nearest tenth, is 45.3 mm.

8 0
3 years ago
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ivann1987 [24]

Answer:

54 or 72

Step-by-step explanation:

they are both in the range, and multiples of 9 but not 5

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3 years ago
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