Question

If z = 15 cm and x = 17 cm, what is the length of y?

https://media.studyisland.com/pics/192060pic2.png
A. 8 cm
B. 9 cm
C. 23 cm
D. 7 cm

Answer 1

A) 8

Answer 2

thx

Answer 3

Use pythagorean theorem and you will get :

\[x ^{2} = y ^{2} + z ^{2}\]
(17)^2 = (15)^2 + y^2
17^2 - 15^2 = y^2
289 - 225 = y^2
y = sqrt (64)
y = 8

so A

Answer 4

Determine which two values the following number is between.

https://media.studyisland.com/cgi-bin/mimetex.cgi? \sqrt[3]{150}


A. 7 and 8
B. 5 and 6
C. 6 and 7
D. 4 and 5