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Natasha_Volkova [10]
3 years ago
13

How do you multiply mixed numbers the easy way?

Mathematics
2 answers:
Temka [501]3 years ago
5 0
Umm... let's say we got 2 1/4... u would multiply the denominator (4) with the number outside (2) ...which gives you 8 and then add the numerator (1).. and then you get 9. And you don't change the denominator so i would get 9/4.
Tanzania [10]3 years ago
3 0
Well if you are talking about mixed fractions you can multiply it by a whole number. If you learned multiplication, just multiply your denominator and numerator by the whole number. If you are trying find a different answer please tell me immediately. (Example: 1/3 X 2 = 2/6 |||| 1 X 2 = 2 ||| 3 X 2 = 6||| 2/6)
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if BA is extended all the way through A creating BF and A becomes the midpoint of BF, then what are the coordinates of F
gogolik [260]

Answer:

F(2x_A-x_B,2y_A-y_B)

Step-by-step explanation:

Let points A, B and F have coordinates A(x_A,y_A),  B(x_B,y_B) and F(x_F,y_F).

If BA is extended all the way through A creating BF and A becomes the midpoint of BF, then the midpoint A of the segment BF has coordinates:

\dfrac{x_B+x_F}{2}=x_A\\ \\\dfrac{y_B+y_F}{2}=y_A

Express coordinates of point F:

x_B+x_F=2x_A\Rightarrow x_F=2x_A-x_B\\ \\y_B+y_F=2y_A\Rightarrow y_F=2y_A-y_B

Hence,

F(2x_A-x_B,2y_A-y_B)

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3 years ago
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meriva

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