Solve the equation. Express irrational solutions in exact form and as a decimal rounded to three places.log (x - 9) + log (x + 9) = 2
A. {
} ? {4.359}
B. {50}
C. {
} ? {13.454}
D. {19, 1}
Answer: C
Mathematics
You might also like to view...
If an argument reads
p?q q?p, then we can conclude p _________________ q. Fill in the blank(s) with the appropriate word(s).
Mathematics
Perform the indicated operation. Write the answer in scientific notation.
A. 4.2 × 10-9 B. 8.4 × 107 C. 8.4 × 10-9 D. 4.2 × 107
Mathematics
Write an equation that expresses the relationship. Use k as the constant of variation.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 72 ft from a light is 3.2 foot-candles, find the intensity on a screen 90 ft from the light.
A. 2.56 foot-candles B. 4 foot-candles C. 2.048 foot-candles D. 5 foot-candles
Mathematics
Solve.
x = - 
A. - 
B. - 
C. - 
D. - 
Mathematics