A radio disc jockey has 8 songs on this upcoming hours playlist: 3 are rock songs,2 are reggae, and 3 are country songs. The dis
2 answers:
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As the variation is direct we have:
Where,
k: proportionality constant
We must find the value of k.
For this we use the following data:
y is 18 when x is 5.
Substituting values we have:
From here, let's clear k:
Then, replacing values we have:
For x = 11 we have:
Answer:
An expression that can be used to find the value of y when x is 11 is:
When x = 11 we have:
Where,
k: proportionality constant
We must find the value of k.
For this we use the following data:
y is 18 when x is 5.
Substituting values we have:
From here, let's clear k:
Then, replacing values we have:
For x = 11 we have:
Answer:
An expression that can be used to find the value of y when x is 11 is:
When x = 11 we have: