Solve the rational equation.
+ 
= 
A. 
B. {6}
C. {-3}
D. {-6}
Answer: D
Mathematics
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Write the sentence as an equation. Let the variable x represent the number.The product of 3 and a number increased by 5 is 27.
A. 3(x + 5) = 27 B. 3x - 5 = 27 C. 15x = 27 D. 3x + 5 = 27
Mathematics
Find a formula of the sequence. Use an notation. Use a graphing calculator table to verify your formula.
, 
, 
, 
, ...
A. an = 
? 3n - 1
B. an = 
+ 3(n - 1)
C. an = (
)n - 1 + 
D. an = 
+ 
n - 1
Mathematics
Find the indicated quantity.a19, when a1 = -4 and d = -5
A. -99 B. 86 C. -94 D. 91
Mathematics
A rock concert was measured to be 
watta/cm2. Find the number of decibels for the power of the sound and round it to the nearest decibel.
?
A. 100 dB B. 107 dB C. 109 dB D. 121 dB E. 104 dB
Mathematics