Find the required ratio.A virus 2.0 × 10-5 cm long appears to be 1.4 cm long through a microscope. What is the magnification (ratio of image length to object length) of the microscope?
A. 70,000
B. 7000
C. 0.00014
D. 0.000014
Answer: A
Mathematics
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Graph the solution set of the system of inequalities.
+ 
? 1
+ 
? 1
A. 
B. 
C. 
D. 
Mathematics
Write the fraction as a decimal. If the decimal is a repeating decimal, write using the bar notation and then round to the nearest hundredth. 
A. 4.
? 4.84
B. 4.8
? 4.83
C. 4.8
? 4.87
D. 4.83
Mathematics
Solve the equation.
+ 
= - 
A. - 1
B. - 5
C. 
D. - 
Mathematics
Use substitution to determine whether the given ordered pair is a solution of the given equation.
; 6x - 4y = 5
A. Yes
B.
| No |
Mathematics