Write the fraction in simplest form using the method of your choice.
A.
B.
C.
D.
Answer: B
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Write as a subtraction problem and evaluate.The difference of -2xy and -2xy added to the difference of 5xy and -8xy
A. [5xy - (-8xy)] - [(-2xy + (-2xy)]; 17xy B. [(-2xy + (-2xy)] + [5xy - (-8xy)]; 9xy C. [(-2xy - (-2xy)] - [5xy - (-8xy)]; -13xy D. [5xy - (-8xy)] + [(-2xy - (-2xy)]; 13xy
Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = , where t is measured in seconds. If an object falls 78.4 meters before it hits the ground, find the time it took for the object to fall.
A. 16 sec B. 5 sec C. 7 sec D. 4 sec
Solve the problem.A worker has readings that take 3 minutes each to read and record. How many readings can be completed in 180 minutes?
A. 600 readings B. 54 readings C. 181 readings D. 7 readings
Solve. Write results using scientific notation.The following equation gives the number of atoms in 390 g of fluorine. How many atoms are there? A = 390 g Fl x x
A. 4.46 x 1026 atoms B. 2.93 x 1024 atoms C. 1.23 x 1025 atoms D. 1.24 x 1025 atoms