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MissTica
3 years ago
13

What division sentence means the same asa the following subtraction sentences?

Mathematics
2 answers:
Artyom0805 [142]3 years ago
8 0
Minus, take away, less
likoan [24]3 years ago
6 0
The three subtraction sentences 12-4=8, 8-4=4, and 4-4=0 can be expressed as a single division sentence. The division sentence 12/4 = 3 means that, starting with the number 12,  4 can be subtracted 3 times to get zero. 
Division is repeated subtraction   12 / 4   means how many 4's you can subtract from 12.     12 orange split into units of 4, then how many kids can get 4 oranges       12 -  4 = 8   1st kid        8 -4 = 4    2nd kid        4 - 4  = 0     3rd kid         So 3 kid can get 4 oranges each.         If we multiply  3 * 4 =12          if each 3 kids get each 4 oranges , then what was the total oranges distributed among kids          Now we say that Multiplication is repeated addition.         4 * 3 = 12,  4 + 4 + 4 = 12          Further we can say that Multiplication and division is opposite of each other             Like  2 * 3 = 6       6/3 = 2    6/ 2 =3 , Also division and fractions are the same, and symbols                                                                      can be used interchangeably. 
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What is 5a*2 -6a+7a*2+3a-2+8a+7= <br> Distribute and combine like terms
andrey2020 [161]
5a^2-6a+7a^2+3a-2+8a+7\\\\=5a^2+7a^2-6a+3a+8a-2+7\\\\=12a^2+5a+5
6 0
3 years ago
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Maria would like to answer the question “How cold is it in January in New York?”
Rina8888 [55]
Statistics should be used because the temperature would vary during January and you would want to give an accurate answer.
8 0
3 years ago
A scale has a percent error of 7%. The scale reads the mass of a book as 450g. Which statement describes what the actual mass of
ozzi

Answer:

The actual mass of the book is between  481 . 5 g and 418 . 5 g.

Step-by-step explanation:

The mass of the book on the scale = 450 g

The percentage error in the scale = 7%

So, the actual mass of the book is 450 g ± 7%

Now, 7 % of  the mass 450 g = \frac{7}{100}  \times 450 = 31.5

⇒ 7% of 450 g = 31.5 g

Now, the Actual mass of the book =  450 g ± 31.5 g

450 g + 31.5 g   = 481 . 5 g

450 g - 31.5 g    = 418 . 5 g

Hence the actual mass of the book is between  481 . 5 g and 418 . 5 g.

5 0
3 years ago
Is this equation linear? 1/3x-2y=7 I NEED HELP ASAP please
OleMash [197]
In highest poer of placholder is  1 then it is linear

1/3x^1-2y^1=7
it is linear
yes it is
8 0
3 years ago
1. The difference of two numbers is 3, and the sum of three times the larger one and
vlada-n [284]

Answer: 25 and 22

Step-by-step explanation:

Since one number is 3 bigger than the other, we can call them x, and x-3.

Then we know that the sum of 3 times x and 2 times (x-3) is equal to 19, so we can make the equation

3x+2(x-3)=19

Simplifying would get you

3x+2x-6=19

adding the x's and adding six to both sides of the equations gets you

5x = 25

divide by 5 and

x=5

Put those numbers back into your previous labels for them, x and x-3, and you get 5 and 2

Hope this helps

5 0
3 years ago
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