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kirill [66]
3 years ago
10

A bag contains 120 marbles. some are red and some are black. there are 19 red marbles for every black marble. how many red marbl

es are in the bag?
Mathematics
2 answers:
muminat3 years ago
8 0
111 is the answer to your problem
mixer [17]3 years ago
3 0
111 is the answer to the problem
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jekas [21]
The growth is decaying, the original value is 500 and the common multiplier is 5, 500 divided by 5 turns to 100. 100/5=20. 20/5=4. x/5 or 1/5 if it has to be in a fraction format
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3 years ago
If 2x - 3y = 24 and 3x + 4y = 2, what is the value of x - y?
ruslelena [56]

Answer:

10

Step-by-step explanation:

<u><em>y = -4 </em></u>

<u><em>x = 6 </em></u>

<em><u>x-y = 6-(-4) = 6+4 = 10</u></em>

<em><u /></em>

8 0
3 years ago
3/10 minus what equals 2/5?
Jlenok [28]
7/10-3/10=2/5
3/10+1/10=2/5
3 0
3 years ago
Read 2 more answers
Linkin Corporation is considering purchasing a new delivery truck. The truck has many advantages over the company’s current truc
Romashka [77]

Answer:

Payback is 7.3 years

NPV $3,099  

Step-by-step explanation:

The formula for payback period period=initial investment/annual cost savings

The initial investment is the amount of cash outflow that would be required to purchase the new delivery truck,which is $54,750,while on the other hand the  annual cost savings is $7,500

cash payback period=$54,750/$7,500=7.3 years

Ordinarily,the expected payback is 1/2 of 8 years=4 years.

The net present is the present worth of the future cost savings as well as the scrap value of the truck in year 8,calculated by multiplying the cash flows with the discounted factors for relevant years as below:

Years                 cash flow         DCF at 8%        Present values

0                      -$54,750            1                           -$54,750  

1-7 years            $7500             5.2064                  $39,048

8                        $34,800           0.54027               $18,801

NPV                                                                          $3,099  

Note that the  $34,800 =$7500+$27300

The year 1-7 factor is annuity factor for 8% 7 years

3 0
3 years ago
I don’t know how to do these I need help
Citrus2011 [14]

k = 15 is the answer!!!!!!

7 0
3 years ago
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