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Using implicit differentiation, it is found that y is changing at a rate of 10 units per second.
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The equation is:
Applying implicit differentiation in function of t, we have that:
- x-values changing at a rate of 2 units per second means that
- Point Q(1,4) means that
.
We want to find , thus:
y is changing at a rate of 10 units per second.
A similar problem is given at brainly.com/question/9543179
Brianna listen 60 songs on Saturday !
<u>Step-by-step explanation:</u>
Here we have , On Saturday, 45% of the music Brianna listened to was country songs. She listened to 27 country songs on Saturday. How many songs did Brianna listen to on Saturday .Let's find out:
Let Brianna listens x songs ! So , 45% of x songs is 27 songs , i.e. On Saturday, 45% of the music Brianna listened to was country songs. She listened to 27 country songs on Saturday as :
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Therefore , Brianna listen 60 songs on Saturday !