The expression 4x^2represents 4.x.x
Area of circle = pi r²
14²= 196
196 x pi = 196pi
Area = 196pi units²
To get you answer multiply .3 and 2.7
Answer:

Step-by-step explanation:
In this cross sections problem, we can integrate from -r to +r (so that the integral covers the entire base of the solid).

The formatting for the integral did not let me put -r on the lower bound, so i replaced it with a, just know that a represents -r here.
Evaluating the integral gives use that it is equal to;

Caution: this answer may not meet your needs, but this is the answer I have come up with with the given information.
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There are 20 students in sixth grade
Step-by-step explanation:
- Step 1: Find the number of sixth-graders in the school.
Total number of students = 90
Number of sixth-graders = 2/9 of total students
⇒ Number of 6th graders = 2/9 × 90 = 20 students