Answer:
I believe the answer is A.
Step-by-step explanation:
Answer: 3 units
Step-by-step explanation:
the volume of a cone C = πr²h/3
C = 18π, h =2x, r = diameter/2 = 2x/2 =x
18π = π* x²* 2x/3
divide through by π
18 = x² * 2x/3
multiply through by 3
54 = 2x³
divide through by 2
27 = x³
x =∛27 = 3
x = 3 units = radius
Answer:
A. Parabola
Step-by-step explanation:
Parabola best describes the locust of points equidistant from a given directrix and focus.
Answer:
11. Classification on basis of angles -<em> </em><em><u> </u></em><em><u>Acute</u></em><em><u> </u></em><em><u>angled</u></em><em><u> </u></em><em><u>triangle</u></em><em><u> </u></em>
Classification on basis of sides - <em><u>Isosceles</u></em><em><u> </u></em><em><u>triangle</u></em><em><u> </u></em>
12. Classification on basis of angles - <em><u>Right</u></em><em><u> </u></em><em><u>angled</u></em><em><u> </u></em><em><u>triangle</u></em><em><u>. </u></em>
Classification on basis of sides - <em><u>Scalene</u></em><em><u> </u></em><em><u>triangle</u></em><em><u> </u></em>
13. Classification on basis of angles - <em><u>Obtuse</u></em><em><u> </u></em><em><u>angled</u></em><em><u> </u></em><em><u>triangle</u></em><em><u>. </u></em>
Classification on basis of sides - <em><u>Isosceles</u></em><em><u> </u></em><em><u>triangle</u></em><em><u>. </u></em>
Answer:
f(x)=-4x-1
Step-by-step explanation:
f(x)=ax+b
a=-4/slope
b=-1/y-intercept
f(x)=-4x-1
