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Mnenie [13.5K]
3 years ago
13

The ratio of red cars to blue cars in a parking lot 5:3 if there were 40 red cars how many blue cars were there?

Mathematics
1 answer:
Vlada [557]3 years ago
5 0

Answer:

24

Step-by-step explanation:

its 5:3 to

   40:x

so 40/5=8

multiply 3*8 to get 24

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Solving systems of equations has been used consistently throughout this course in order to shed light on all kinds of different
Margarita [4]

Answer:

Types of problems that require solving a system of linear equations are:

Calculation of mileage rate

Calculations of ages of children born to a family

Calculation of income over a range of period.

Step-by-step explanation:

Solving a system of linear equations have many real life applications. Many real life problems can be used to set up a system of linear equations.

The following are the steps:

Understand the problem

Break the problem down into parts and represent each part with unknown variables such as: X1, X2, X3,...

Combine the unknown variables mathematically, from the statements of the problem(That is, 2X1 + X2 - 6X3, X1 + 2X2 + 4X3,....)

The results of the solved linear equation system (after solving) will give the solution to the problem. The solutions to the real life problems can be learned by the nature, analysis, and relationship of the solutions of the system of the formed linear equation

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When mindy went to china she exchanged her $1 for 6.589 yaun. What place is in the hundredths place of 6.589?
nata0808 [166]

The 8 is in the hundredths place.


Hope this helps & good luck. :)

3 0
4 years ago
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a taxi cab in myrtle beach charges $2 per mile and $1 for every person. if a taxi cab ride for two people cost $12, how far did
Fiesta28 [93]

Answer:

5 miles

Step-by-step explanation:

If there is 2 people and it costs 12 dollars you will first subtract 2 dolars for each person leaving you with 10 dollars. After that you will divide 10 by 2 for the miles because each mile costs 2 bucks. that will get you to 5 miles

4 0
4 years ago
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Can somebody pls tell me the solution I’m rlly stuck. I’ll give you points pls help.
WINSTONCH [101]

Answer:

(4,-1)

Step-by-step explanation:

You can solve this system of equations in a couple of different ways, but I'm going to use the elimination method. If you're solving a system of equations using elimination, you want to have one variable cancel out. In this case, we don't have to change anything because -3y and 3y will already cancel out if we add the two equations together. You can both add or subtract, but it's easiest to add in this case. The equation will be set up like this: 2x-3y=11

                                                                                                      +  7x+3y=25

                                                                                                         --------------

After you add them together, you should get 9x=36, which you can solve by dividing both sides by 9. Then, you'll get x=4. This is your x-coordinate. Next, you want to get your y-coordinate, so you can substitute 4 into one of the two equations for x and solve for y. This will get you -1 for y. I'd also recommend checking your answer. Hope this was helpful! :)

3 0
3 years ago
PLEASE PLEASE PLEASE HELPPPP ASAPPPP!!!! best answer I’ll give brainliest :) HELP ASAP!
densk [106]

Step-by-step explanation:

  • 2

The perimer of a traingle is the saum of its sides

P = 2(3x+7) + 2(2x+2)

  • 3
  1. P= 2(3x+7) + 2*(2x+2)   multiply (3x+7) and (2x+2) by 2
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