14-09-2020
Mathematics

contestada

Please answer the question and give an explanation. Will give brainliest.

Please answer the question and give an explanation Will give brainliest class=

Respuesta :

ChoiSungHyun ChoiSungHyun

14-09-2020

Step-by-step explanation:

By Pythagoras' Theorem, z^2 + (2.7)^2 = (4.2)^2.

This means that z^2 = (4.2)^2 - (2.7)^2 = 10.35.

So z = 3.2 (1 d.p.)

Answer Link

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14-09-2020

Step-by-step explanation:

x=4.2

y=2.7

z=x

(×+y=×

(4.2+2.7=×)

×=6.9

Answer Link

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