Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 28.5
B. x = 42.75
C. x = 42.5
D. x = 11.75
Answer: B
Mathematics
You might also like to view...
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
- 
A. 
B. 
C. - 
D. 
Mathematics
Use an analytic method to solve the equation. (x2 - 8)1/2 = (x + 4)1/2
A. {4} B. {8, 4} C. {-3, 4} D. ?
Mathematics
Write the complex number in rectangular form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Write the linear system as a matrix equation in the form AX = B, where A is the coefficient matrix and B is the constant matrix. 5x + 2y + 2z = 32 4x + 2y - 2z = 32 8x + 2y + 8z = 38
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics