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kodGreya [7K]
4 years ago
14

How to write an addition sentence using 12 pennies and 19 pennies

Mathematics
2 answers:
scoray [572]4 years ago
6 0

Answer:

12 + 19 = 31

Step-by-step explanation:

Alchen [17]4 years ago
4 0

Answer:

12 + 19 = 31

Step-by-step explanation:

If you have 12 and 19 pennies you can put them together by doing 12 + 19 and then that equals 31.

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I need help: Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 4 liters of natural oil for every
liubo4ka [24]

In order to make 441 liters of Petrolyn oil, we need 189 liters of synthetic oil.

Given, for every 3 liters of synthetic oil, we use 4 liters of natural oil.

⇒ For 1 liter of synthetic oil, we will be adding 4/3 liters of natural oil.

Let 'x' be the liters of oil needed to make 441 liters of Petrolyn oil

⇒ For 'x' liters of synthetic oil, we will need 4x/3 liters of natural oil

Total Volume = 441 liters

Volume of Synthetic oil + Volume of natural oil = 441

x + 4x/3 = 441

⇒ (3x + 4x)/3 = 441

⇒ 7x/3 = 441

⇒ x = (441×3)/7

⇒ x = 189 liters

To know more about liters :

brainly.com/question/2418593

#SPJ1

3 0
2 years ago
A three-person committee is chosen at random from a group of 8. How many different committees are possible?
Jobisdone [24]
8x7x6 = 336. There are 8 possible options for slot 1, then 7 for 2, and 6 for the last slot.
8 0
3 years ago
An old billionaire is writing his will, and deciding how to distribute his nine estates among his three children. He wants to gi
kotegsom [21]

Answer:

18

Step-by-step explanation:

6 2 1    How many ways does this produce and are they legitimate?

  • 6 2 1
  • 6 1 2
  • 2 6 1
  • 2 1 6
  • 1 2 6
  • 1 6 2  

So any combination that you come up with, will produce 6 variations within those three choices. They are legitimate.

Lets see what you get with at most 5 estates to one person

5 3 1    Which will also give 6 variations. There are no other ways to make 5

4 3 2   Which will give 6 variations

I don't think there are any more possible choices.

  • 621
  • 531
  • 432

Are the only 3 ways the estates can be split given the rules. Each choice leads to 6 other choices. The total is 18



7 0
3 years ago
The Pelicans won 16 games last year. This year the Pelicans won 20 games. What is the percent increase in the number of games th
barxatty [35]

Answer:

The answer to your question is 25%

Step-by-step explanation:

Data

Number of games won last year= 16

Number of games won this year = 20

Process

1.- Use the number of games won last year as the 100% and use proportions to find the answer.

                              16 games ---------------- 100 %

                               20 games --------------    x

                               x = (20 x 100) / 16

                               x = 2000/16

                               x = 125

2.- Subtract the percent obtain to 100% to obtain the percent increase.

      Percent increase = 125 - 100

                                    = 25%

8 0
3 years ago
Write 2/3 with the denominator 12
Nataly_w [17]

Answer:

8/12

Step-by-step explanation:

First

12 divided by 3 = 4

Second

since 12/3=4 you multiply 3x4 to get 12 so what you do to the denominator you do to the numerator so 2x4=8

Last

so that would give you

2/3 = 8/12

5 0
3 years ago
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