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What is the distance between (7. -9) and (-2, -1)? Round to the nearest tenth. A. 12.0 B. 11.2 C. 13.5 D. 9.4.

What is the distance between (7. -9) and (-2, -1)? Round to the nearest tenth. A. 12.0 B. 11.2 C. 13.5 D. 9.4.
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22 votes
What is the distance between (7. -9) and

(-2, -1)? Round to the nearest tenth.
A. 12.0
B. 11.2
C. 13.5
D. 9.4.

User Mohamed Nuur
by
8.2k points

1 Answer

6 votes
Use the distance formula (see image below)
Sqrt (-2-7)^2+(-1+9)^2
= Sqrt 81+64
= sqrt 145

12 * 12 = 144
The closest answer is 12 (option B)

(See second photo to see work)
What is the distance between (7. -9) and (-2, -1)? Round to the nearest tenth. A. 12.0 B-example-1
User Karmavil
by
8.6k points
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