Answer:
D.96ft^3......is the and...hope it helps
 
        
             
        
        
        
Ah okay so in differential equations you usually want the top variable isolated. To do this, multiply by dt and 2u and you get 

Now just integrate both sides. The integral of 2u with respect to u is u². The integral of (2t + sec²(t) with respect to t is t² + ∫sec²(t)dt. The last part is just tan(x) because d/dt(tan(t)) is sec²(t) so just integrating gets us back. Now we have

Where c and k are arbitrary constants. Subtracting c from k and you get 

Where b is another constant. To find b, just plug in u(0) = -1 where u is -1 and t is 0. This becomes

tan(0) is 0 so b = 1. Take the plus or minus square root on both sides and you finally get

But Brainly didn't let me do but juat remember there is a plus or minus square root on the left.
 
        
        
        
Answer:
5 + 2√6 or 9.898979
Step-by-step explanation:
(√3 + √2) (√3 + √2)
= 5 + 2√6
decimal = 9.898979
 
        
                    
             
        
        
        
Huh?????????????????.....
        
             
        
        
        
Answer:
600
Step-by-step explanation:
since it is a right triangle based pyramid, 2 of them will make a cube. so, it is bwh / 2. 
base = 24
width = 10
height = 5
volume = 1200
volume of pyramid = 600