Answer:
Height = 8 cm
You will need this formula (see attached):
Volume = [PI * 8 * (2² + 2*4 + 4²)] / 3
Volume = [3.14159265 * 8 * (4 + 8 + 16)] / 3
Volume = 234.57 cubic centimeters
Source: http://www.1728.org/volcone.htm
Step-by-step explanation:
Answer:
x=<u>+</u>
Step-by-step explanation:
Quadratic function =( -b<u>+</u>
)/2a
x^2+x+2-y=0
x=-1<u>+</u>
/2
x=-1<u>+</u>
/2
x=<u>+</u> 
Pretty sure this is right. Would appreciate a brainliest
Answer:
B. 43°
Step-by-step explanation:
Internal angles of the triangle are:
So It is a right triangle and the missing angle is:
Answer:
1/21
Step-by-step explanation:
The baker makes 84 loaves of bread,
Out of the 84 bread, 4 of them got burn.
Fraction that the loaves does the burn will be expressed in 4/84 = 1/21.
-4 = x - 7
-4 + 7 = x
3 = x
Therefore x = 3