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konstantin123 [22]
3 years ago
5

Megan is taking piano lessons and gymnastics lessons. She has piano lessons every 7 days and gymnastics every 3 days. How often

does she have both on the same day?
Mathematics
2 answers:
mario62 [17]3 years ago
6 0
Every 3 weeks=21 days. this is because 21 is the lowest common factor of 7 and 3
bija089 [108]3 years ago
6 0
She has both in the same day every 21 days :)
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What is dy/dx if y = (x2 + 2)3(x3 + 3)2? A. 3(x2 + 2)2(x3 + 3)2 + 2(x2 + 2)2(x3 + 3) B. 2x(x3 + 3)2 + 3x2(x2 + 2)3 C. 6x(x2 + 2)
Vlada [557]
We want to find \displaystyle{  \frac{dy}{dx}, for

            \displaystyle{ y=(x^2+2)^3(x^3+3)^2.

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Thus,

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Answer: A)      3(x^2+2)^2(x^3+3)^2+2(x^3+3)(x^2+2)^3.



8 0
3 years ago
The sum of a number and 17 is no less than 26
Eva8 [605]
I believe it would be as following:

x+7>12

Here, x represents the unknown number. The symbol for no less than is greater than.
5 0
3 years ago
Read 2 more answers
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