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qwelly [4]
3 years ago
14

Calculate the distance between (8 - 2i) and (4- 2i)

Mathematics
1 answer:
kifflom [539]3 years ago
4 0

Answer:

4

The Problem:

Compute the distance between 8-2i and 4-2i.

Step-by-step explanation:

This is equivalent to asking the distance from point (8,-2) to point (4,-2).

The nice thing about this problem is that the y-coordinates are the same which means it is just a horizontal distance. It can either be counted or just find the distance between the x's by finding the positive difference; that is do larger minus smaller.

8-4=4.

The distance between the points is 4.

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Answer:

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5 0
3 years ago
What is the length of AB?
Tresset [83]

Answer:

angle B'CA'= angle BCA..... (common angle)

angle B'A'C = angle BAC.....(corresponding angels)

therefore,

ΔCB'A' ~ ΔCBA. ......(by A-A test of similarity)

therefore,

B'A'/ BA. = CA'/ CA....(congruent sides of congruent triangles)

now, B'A' = 5, CA'= 6 , CA = 6 + 3 = 9

5 / BA. = 6 / 9

therefore, 5 / BA. = 2 / 3

ba \:  =  \frac{5 \times 3}{2 }  \\  =  \frac{15}{2}  \\  = 7.5

Answer : AB = 7.5 units

8 0
3 years ago
Susan bikes 3 miles round-trip from home to school, Monday through Friday. On Saturday and Sunday she does not ride her bike, bu
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3 0
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