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CRISANTOPALMIANO3IN
Answered

7. What is the equation of variation if x varies Jointly as y and z, and x = 45 when y = 3 and z = 3?
a. x= 3yz
b. x = 5yz
C. X= 7yz
dx = 9yz
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Sagot :

FRANCISRAFAELFLORIN

Answer:

B. x=5yz

Step-by-step explanation:

45=k(3)(3)

45=k(9)

5=k

so, x=5yz

sana makatulong

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MATTESCARROIN

Answer:

[tex]b. \: x = 5yz[/tex]

Step-by-step explanation:

[tex]x = kyz \\ \\k = \frac{x}{yz} \\ \\ k = \frac{45}{3(3)} \\ \\ k = \frac{45}{9} \\ \\ k = 5 \\ \\ \\therefore \: the \: equatio \:n \: is \: \\ x = 5yz[/tex]

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