Solve the equation. Express radicals in simplest form.2x2 - 98 = 0
A. 7
B. ±7
C. 51.5
D. ±8
Answer: B
Mathematics
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Solve the problem. Round the answer to the nearest tenth, if necessary.Two airplanes depart from the same place at 4:00 p.m. One plane flies north at a speed of 314 mi/hr, and the other flies east at a speed of 313 mi/hr. How far apart are the airplanes at 7:30 p.m.?
A. 2,407,921.3 mi B. 1551.7 mi C. 1330.1 mi D. 443.4 mi
Mathematics
Determine which one of the p-series below is convergent.
What will be an ideal response?
Mathematics
Solve the equation for the specified variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = 2?(S - r)
C. h = S - r
D. h = 
- 1
Mathematics
Write the sentence as an equation or inequality. Use x to represent any unknown number.The quotient of 18 and a number is 
.
A. 
x = 18
B. 
= 
C. 
= 
D. 18x = 
Mathematics