-√4 + √(-48) + √121 + √(-108)
= -√(2²) + √(-1 • 3 • 4²) + √(11²) + √(-1 • 2² • 3³)
= -2 + 4√3 i + 11 + 6√3 i
= 9 + 10√3 i
6. I think it's b but I could be wrong hope I helped.
Answer: Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area. you should explain with a net its easier.
Step-by-step explanation:
hope this helps and sorry bout the smack comment lol
Answer:
Step-by-step explanation:
d = 2.093 * 10^8 km
r = 2.5 * 10^8 meters = 2.5 * 10^8 meters * 1 km / 1000 m
r = 2.5 * 10^5 km/s
t = d/r
t = 2.093 * 10^8 km / 2.5 * 10^5 km/sec
t = 837.2 seconds
t = 13.95 minutes
I think there's an error in the question, The second answer would be right if the power were a +2
I would ask your teacher about this one.
From first equation,
3x = 4y-17
x =(4y - 17) / 3 - - - - - - Third equation
Substitute third equation into second equation,
32y / 3 - 136 / 3 - 3y = - 7
23y /33 = 115 / 33
23y = 115
y = 5
Substitute y = 5 into first equation,
3x - 4y =-17
3x - 4(5) = - 17
3x - 20 = - 17
3x = 3
x = 1
Thus, x = 1 and y = 5.
