Answer:
Step-by-step explanation:
$ 6.18 is what each pen costs
820/1 and 1,240/1
Step-by-step explanation:
Im not sure if those are correct but thats what I got for dividing 7380/9 and 9920/8 so ...
Answer:
side length of sculpture = 9 cm
height of sculpture = 6cm
Step-by-step explanation:
Given that,
volume of sculpture = 162cm³
side length of sculpture = x
height of sculpture = x-3
formula for volume of sculpture
<h3>V=1/3 a²h</h3>
by putting values, the equation can be used to find the length of the sculpture’s base
162 = 1/3 (x)² (x-3)
162(3) = (x)² (x-3)
486 = x²(x-3)
486 = x³ - 3x²
x³ - 3x² - 486 = 0
x = 9 <em>(using a graph tool / calculator equation mode)</em>
side length of sculpture = 9 cm
height of sculpture = 9 - 3
= 6cm
Given :
An expression (cos 6m)(cos 2m) .
To Find :
We need to express it in terms as sum or difference.
Solution :
We know,
cos( A + B ) = cosA cos B - sin A sin B
cos( A - B ) = cosA cos B + sin A sin B
Adding both the equations we get :
2cos A cos B = cos( A + B) + cos( A - B )
or
cos A cos B = cos( A + B) + cos( A - B )/2
Putting value of A = 6m and B = 2m in above equation, we get :
(cos 6m)(cos 2m) = cos( 6m + 2m ) + cos( 6m - 2m )/2
(cos 6m)(cos 2m) = cos(8m) + cos(4m)/2
Hence, this is the required solution.
