Answer:
Step-by-step explanation:
a)
b)
Rationnel roots are divisor of -2: -1,1,-2,2
c) see picture
D - 90 because 20 x 30 and multiply by 0.15
45 square feet is the area of the base of the pedestal.
what is rectangular prism?
- A rectangular prism is a 3D figure with 6 rectangular faces.
- To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.
we know that
The volume of the pedestal (rectangular prism) is given by the formula
V = B × h
where
B is the area of the rectangular base of pedestal
V = 405 ft³
h = 9 ft
put the given values in the formula and solve for B
405 = B × 9
B = 405/9
B = 45 ft²
Therefore, 45 square feet is the area of the base of the pedestal.
Learn more about rectangular prism
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300,000 or three hundred- thousand. :)
12*6= 72*2= 144
12*9= 108*2= 216
6*9= 54*2= 108
144+216+108= 468 m2
Hope this helps
