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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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Cell phone Plan A costs $70 per month and comes with a free $500 phone. Cell phone Plan B costs
Agata [3.3K]

Answer:

25 Months

Step-by-step explanation:

Let's make the equations first,

Plan A: 70x   Plan B: 50x+500...

Now we make it into an equivalent equation:

70x=50x+500...

Then we solve:

70x=50x+500-50x -50x20x=500...

÷20 ÷20x=25...

To check if it's correct, we just plug it in:

70(25)=50(25)+500...

1750=1750...

Brainliest Answer please? Hope this helps! Good luck!

8 0
3 years ago
Which event has exactly 12 possible outcomes?
lara [203]

Answer:

rolling a number cube with sides labeled 1 through 6 and tossing a coin.

Step-by-step explanation:

We will resolve each statement to determine the events that has exactly 12 possible outcomes.

N = number of possible outcomes for a cube

Nc = number of possible outcomes for a coin

Nca = number of possible outcomes for the cards

i. rolling a number cube with sides labeled 1 through 6 and then rolling the number cube again

Nt = N × N

N = 6 ( cube has 6 possible outcomes and its rolled twice)

Nt = 6 × 6 = 36

ii. tossing a coin and randomly choosing one of 4 different cards.

Nt = Nc × Nca

Nc = 2 ( coin has two outcomes)

Nca = 4 ( 4 possible cards )

B = 2 × 4 = 8

iii. rolling a number cube with sides labeled 1 through 6 and tossing a coin.

N = N × Nc

N = 6 ( cube has 6 possible outcomes)

Nc = 2 (coin has two faces)

N = 6 × 2 = 12 (correct)

Iv. tossing a coin 6 times.

N = Nc^6

Nc = 2

N = 2^6 = 64

Therefore, the correct answer is iii.

rolling a number cube with sides labeled 1 through 6 and tossing a coin.

3 0
3 years ago
Identify the graph of y=x3.
77julia77 [94]

Answer:

2nd Graph

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Christian gave keven 6 blueberries. Keven gave San 6 blueberries how much dose Keven have left
il63 [147K]

Answer:

So if Keven started with 0 he then got 6 then gave it away, that means he simply had none to himself.

4 0
3 years ago
Solve the quadratic by factoring.<br> x^2-5x-31=5
torisob [31]

Answer:

x =  - 4\: or \: x =  9

Step-by-step explanation:

make one side equal to zero:

{x}^{2}  - 5x - 36 = 0

find two factors that multiply to -36 and add to -5 (-9 & 4)

{x }^{2}  - 9x + 4x - 36 = 0

factorise

x(x - 9) + 4(x - 9) = 0

(x + 4)(x - 9) = 0

solve for x

x =  - 4 \: or \: x = 9

5 0
3 years ago
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