How do i write improper fractions as mixed numbers? Explain with examples
1 answer:
Answer:
You have to multiply the whole number by the denominator and then add the answer you get with the numerator.
Step-by-step explanation:
For example, the fraction 10 is a mixed number, right? So then you multiply 10x3=30. Then you add 30+5=35. So then the answer would be
.
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Answer:
1.01 × 10⁴ - scientific notation
10,100 - decimal notation
Answer:
3π square units.
Step-by-step explanation:
We can use the disk method.
Since we are revolving around AB, we have a vertical axis of revolution.
So, our representative rectangle will be horizontal.
R₁ is bounded by y = 9x.
So, x = y/9.
Our radius since our axis is AB will be 1 - x or 1 - y/9.
And we are integrating from y = 0 to y = 9.
By the disk method (for a vertical axis of revolution):
So:
Simplify:
Integrate:
Evaluate (I ignored the 0):
The volume of the solid is 3π square units.
Note:
You can do this without calculus. Notice that R₁ revolved around AB is simply a right cone with radius 1 and height 9. Then by the volume for a cone formula:
We acquire the exact same answer.