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svetlana [45]
3 years ago
15

A triangle has vertices (-1, 2), (3, 1), and (7.2). What is the approximate perimeter of the triangle? Round your answer to the

nearest hundredth
Mathematics
1 answer:
Inessa [10]3 years ago
7 0

Answer

16.25

Step-by-step explanation: <em><u>To The Nearest Hundredth</u></em>

(-1, 2), (3, 1)

<u>√17</u>

(3, 1), (7, 2)

<u>√17</u>

(3, 1), (7, 2)

<u>√8</u>

So our answer is =

<u>8 + √17 + √17 = 16.25</u>

<u>hope it works for you!</u>

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Z varies jointly with x, and y, and z=7 when x= 2, y= 2
fomenos

Answer:

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Step-by-step explanation:

Complete question:

Z varies jointly with x and y , x=2 and y=2, z=7. Find z when x=4 and y=8 using joint variation . (I need the problem worked out step by step)

If z varies jointly with x, and y, this is expressed as;

z = kxy

If z=7 when x= 2, y= 2

7  = k(2)(2)

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