Multiply using a special product formula.(10y + x)(10y - x)
A. 100y2 + 20xy - x2
B. 20y2 - x2
C. 100y2 - 20xy - x2
D. 100y2 - x2
Answer: D
You might also like to view...
Solve. Use ? = 3.14159 as needed.The blades of a fan have a radius of 15 in. and they turn one revolution every 0.075 sec. Calculate the linear speed of the tip of a blade. (Round to the nearest whole number, if necessary.)
A. 628 in./sec B. 800 in./sec C. 400 in./sec D. 1257 in./sec
Solve the problem.
Find the missing side length, d, if the perimeter is 117.6 m.
A. 21.6 m B. 42.8 m C. 32.4 m D. 53.6 m
Find the sample space for the experiment.There are 3 balls in a hat; one with the number 3 on it, one with the number 6 on it, and one with the number 8 on it. You pick a ball from the hat at random and then you flip a coin.
A. {3 H, 3 T, 6 H, 6 T, 8 H, 8 T} B. {3 H, 6 H, 8 H} C. {3 6 8 H, 3 6 8 T} D. {3 H T, 6 H T, 8 H T}
Find cos(A - B).sin A = - 
and tan B = - 
, with A and B in quadrant IV.
A. 
B. 
C. 
D. 