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3 years ago

Sarah cut 2 yards of ribbon from a spool. How much did she cut in inches

Mathematics

2 answers:

Nesterboy [21]3 years ago

5 0

1 yard = 3 feet

2 yards = 2•3feet = 6 feet

1 foot = 12 inches

6 feet = 12 • 6 = 72 inches

If you need a better explanation just ask in the comments.

Happy to help! Please mark as BRAINLIEST! Thanks

Nataly_w [17]3 years ago

3 0

72 inches Bc 1 yard =3 feet so I did 2yards =6feet I did 6*12=72

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Answer:

The solution is $\frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] + C$

Step-by-step explanation:

From the question

The function given is $f(x) = \frac{e^{2x}}{ 25 + e^{4x}} dx$

The indefinite integral is mathematically represented as

$\int\limits {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx$

Now let $e^{2x} = u$

=> $\frac{du}{dx} 2e^{2x}$

=> $2 e^{2x}dx = du$

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$= \frac{1}{2} \int\limits {\frac{1}{ 25 + u^2)} } \, du$

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Now substituting for u

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Step-by-step explanation:

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