find the sum. write the sum as a mixed number , so the fractional part is less than 1. 4 1/2 + 2 1/2 ?

2 answers:

7 0

To answer this problem:

1. 4+2 is 6 (whole numbers)

2. 1/2 +1/2 is 1

3. After finding these two steps, you add 1 and 6 together

4. Your answer is 7!
Hope this helped ;)

Vsevolod [243]4 years ago

7 0

To answer this problem:

1. 4+2 is 6
2. 1/2 +1/2 is 1 whole
3. After finding these two steps, you add 1 and 6 together giving you...
4. 1 + 6 is 7.
That's your answer, hopefully this helped ;)

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Use the method of cylindrical shells to write out an integral formula for the volume of the solid generated by rotating the regi

vredina [299]

Answer:

The answer is " $\frac{5\pi}{6}$ "

Step-by-step explanation:

Please find the graph file.

$h= y=2x-x^2\\\\r= x\\\\Area=2\pi\times r\times h\\\\= 2 \pi \times x \times (2x-x^2)\\\\= 2 \pi \times 2x^2-x^3\\\\volume \ V(x)=\int \ A(x)\ dx\\\\= \int^{x=1}_{x=0} 2\pi (2x^2-x^3)\ dx\\\\= 2\pi [(\frac{2x^3}{3}-\frac{x^4}{4})]^{1}_{0} \\\\= 2\pi [(\frac{2}{3}-\frac{1}{4})-(0-0)] \\\\= 2\pi \times \frac{5}{12}\\\\=\frac{5\pi}{6}\\\\$