annashirley annashirley

10-08-2017
Mathematics

contestada

PLEASE HELP URGENT 15 POINTS

What is the value of y?
3√3 units
6√3 units
9√3 units
12√3

PLEASE HELP URGENT 15 POINTS What is the value of y 33 units 63 units 93 units 123 class=

Respuesta :

Zonepax Zonepax

10-08-2017

6/3 units

Y^2=(6+3)^2 - 6^2

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choixongdong choixongdong

10-08-2017

UT = sqrt(6^2 - 3^2)
UT = sqrt(36 - 9)
UT = sqrt(27)

y = sqrt[(9^2 + (sqrt(27))^2]
y = sqrt(81 + 27)
y = sqrt (108)
y = 6 sqrt(3)

answer is B. 6 sqrt(3) second choice

Answer Link

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