Answer:
113.1
Step-by-step explanation:
V=4/3π(r)^3
V=4/3π(3)^3
V=4/3(27)π
V=36π ---> 113.1
Answer: The determinant must be zero.
Step-by-step explanation:
For a quadratic equation
a*x^2 + b*x + c = 0
The discriminant is:
D = b^2 - 4*a*c
and the solutions can be finded as:
![x = \frac{-b+- \sqrt{D} }{2*a}](https://tex.z-dn.net/?f=x%20%3D%20%5Cfrac%7B-b%2B-%20%5Csqrt%7BD%7D%20%7D%7B2%2Aa%7D)
If D > 0 we have two real solutions
if D = 0 we only have one solution, x = -b/2a
If D < 0 we will have comples solutions, as we will have a negative number inside a square root.
Knowing that for this equation we have only one solution, then we can know that the determinant must be equal to zero.
The answer to this is A and D. A and D are both rational because they contain repeating numbers.
B) could've been the answer but it doesn't show any repeating numbers
C) Doesn't have a repeating number.
So A and D are the answers. (if there is only one option for this answer then D should be the answer)
Hoped this helped :)
Have a great day
Answer: 7x10 to the 4th
Step-by-step explanation:
Answer:
yes
Step-by-step explanation: