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What is (-2. -10) (3 -15) (-2 -19) (9 -21)?

Updated: 8/21/2019
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The given coordinates when plotted and joined together on the Cartesian plane appears to form a scalene triangle.

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Q: What is (-2. -10) (3 -15) (-2 -19) (9 -21)?
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What is seven tenths minus one fifthteenth?

19/307/10 - 1/15 := (7/10 * 3/3 )- (1/15 * 2/2)= 21/30 - 2/30= 19/30


Is (91) (-1 4) (3 1) (92) a function?

(-2. -10) (3, -15) (-2, -19) (9, -21)


What is the average of ⅔ plus ⅗?

2/3 + 3/5 =10/15 + 9/15= 19/15(19/15) / 2 = 19/3019/30


Is 15 over 21 equivalent to 10 over 14 and why?

Yes. 15*(2/3) = 10 and 21*(2/3) = 14


What is seven tenths of 15?

7/10 of 15 = 15*7/10 = 21/2


whats 9+10?

19


What are all the methods of x 19 and 21?

It is probably impossible to enumerate all the methods. Apart from long multiplication you can have Two-way partitioning: (10 + 9) * (20 + 1) = 200 + 10 + 180 + 9 = 399 This is usually done in a 2x2 grid. Partitioning 21 19*(20 + 1) = 19*2*10 + 19*1 = 38*10 + 19 = 380 + 19 = 399 Partitioning 19 (20 - 1)*21 = 2*10*21 - 1*21 = 42*10 - 21 = 420 - 21 = 399 Or. if you are savvy enough, Difference of two squares (20 - 1)*(20 + 1) = 202 - 11 = 400 - 1 = 399


What plus what equals 19?

1 + 18 = 19, 2 + 17 = 19, etc. 10 + 9 = 21 correct


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What is 15 over 14 x 21 over 10 in lowest terms?

15/14 * 21/10 = 3/14 * 21/2 = 3/2 * 3/2 = 9/4


What is 19 over 21 minus 2 over 7 be?

19/21 - 2/7 = 19/21 - 6/21 = 13/21


What factors into 30 but then adds up to equal 19?

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors 1+3+5+10=19, 1+2+6+10=19, 1+3+15=19, and 3+6+10= 19.