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1 answer:
Answer:
A
Step-by-step explanation:
We graph two variable inequalities like we graph line equations. First, read the inequality as where m is the slope and b is the y-intercept. Here b= 2. Go to the y-axis and mark a point on 2. From here, go up 3 and over 2. Mark the point at (2, 5). Since the inequality does not have an "equal to" draw a dashed line is drawn between the points with arrows on either end. To finish, test an (x,y) point to determine what makes the inequality true.
Choose any (x,y) point not on the line. Say (0,0).
Is the statement true? Yes. This means shade this side of the line.
Solution A matches this.
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<u>Given</u>:
Given that the radius of the cylinder is 4 cm.
The height of the cylinder is 9 cm.
We need to determine the volume of the cylinder.
<u>Volume of the cylinder:</u>
The volume of the cylinder can be determined using the formula,
where r is the radius and h is the height of the cylinder.
Substituting π = 3.14, r = 4 and h = 9 in the above formula, we get;
Thus, the volume of the cylinder is 452.16 cm³
Hence, Option B is the correct answer.