Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(2x + 5)1/2 - (x - 2)1/2 = 3
A. {2}
B. {2, 38}
C. {-2}
D. {3, 8}
Answer: B
Mathematics
You might also like to view...
Find the volume of the indicated region by an iterated integration.The region bounded by the surface 
, the cylinder 
, and the 
A. 
?
B. 5000?
C. 
?
D. 2500?
Mathematics
Find the indicated probability.If P(A) = 0.4, P(B) = 0.5, and P(A or B) = 0.7, find P(A and B).
A. P(A and B) = 0.2 B. P(A and B) = 0.7 C. P(A and B) = 0.1 D. P(A and B) = 0.9
Mathematics
Solve the triangle.a = 80, b = 8, C = 125°
A. c = 90.64, A = 48.6°, B = 6.4° B. c = 84.84, A = 50.6°, B = 4.4° C. c = 87.74, A = 52.6°, B = 2.4° D. no triangle
Mathematics
Use the properties of logarithms to evaluate the expression.ln e8
A. e8 B. 8 ln e C. 1 D. 8
Mathematics