Answer:
thanks for the points!!!!!
Answer:
<em>5,086.8cm³</em>
Step-by-step explanation:
Given the following
radius of the cylinder r = 9cm
Height of the cylinder h = 20cm
Volume of a cylinder = πr²h
Substitute:
V = π(9)²(20)
V= 3.14 * 81 * 20
<em>V = 5,086.8cm³</em>
<em>Hence the volume of the cylinder is 5,086.8cm³</em>
<em></em>
Answer:
<em>m∠EBC = 34° </em>
Step-by-step explanation:
m∠DBC = m∠DBE + m∠ EBC
m∠DBC - m∠DBE = m∠EBC
(12x - 3)° - (5x + 12)° = (3x + 13)°
12x - 5x - 3 - 12 = 3x + 13
4x = 28
x = 7
<em>m∠EBC </em>= (3(7) + 13)° <em>= 34° </em>
Answer:
no solutions
Step-by-step explanation:
4x + 2y = –14
6x + 3y = –22
Divide the first equation by 2 and the second equation by 3
4x/2 + 2y/2 = –14/2 2x +y = -7
6x/3 + 3y/3 = –22/3 2x + y = -22/3
The left hand sides are the same but the right hand sides are different.
Multiply the second equation by -1
2x+y = -7
-2x -y = 22/3
-------------------
0 = -7+22/3
0 = 1/3
This is never true, so there are no solutions
