Answer:
B
Step-by-step explanation:
3 rectangles are 3 x 7 x 2 = 42
2 triangles are 2 x 1/2 x 2 x
= 2
note that you have to use Pythagoras Theorem to solve for the height of the triangle
Answer:
Mean = 62
Step-by-step explanation:
X = mean ± sd
82 = mean + 2(s.d) - - (1)
32 = mean - 3sd ___(2)
82 = mean + 2sd
82 - 32= 2sd + 3sd
50 = 5sd
sd = 50/5
sd = 10
From (2):
32 = mean - 3sd
32 = mean - 3(10)
32 = mean - 30
32 + 30 = mean
62 = mean
Answer:
The volume of the cylinder is 5, 024 cm cubed (the last option)
Step-by-step explanation:

The answer is -5 ww
The parenthesis doesnt matter
Answer:
90/[10+(3-3-4)]=90/[10+(-10)]
90/(10-10)=90/0=0
Step-by-step explanation:
Hope this helps