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EastWind [94]
3 years ago
15

Thomas calculates 9×7 by thinking avout it as 70-7=63. Explain thomas' strategy.

Mathematics
2 answers:
asambeis [7]3 years ago
6 0
Thomas uses the distributive property 

9 X 7 = (10 X 7) - (1 X 7) 
          = 70 - 7
          = 63

9 groups of 7 is equal to 10 groups of 7 subtract 1 group of 7.
madam [21]3 years ago
4 0
10 x 7 = 70
1 x 7 = 7
9 x 7 = 70 - 7
9 x 7 = 63
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<h2>B. Standard</h2>

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3 years ago
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Charra [1.4K]

Step-by-step explanation:

The coordinates of point A (2,8) and C (5,2)

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3 years ago
Find the vertices and foci of the hyperbola with equation quantity x plus 5 squared divided by 36 minus the quantity of y plus 1
Sphinxa [80]

Answer:

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Step-by-step explanation:

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Vertices: (1,-1), (-11, -1); Foci: (-15, -1), (5, -1)

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