Solve the problem by combining like terms.The value of 8 dimes is 10 ? 8 = 80 cents. Likewise, the value of x dimes is 10x cents. If George finds
nickels, 3x dimes, and x quarters in his change jar, express the total value of change in cents as an algebraic expression.
A. 80x - 10 cents
B. 80x + 10 cents
C. 55x - 10 cents
D. 80x - 2 cents
Answer: A
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Solve the problem.The map shows the states Tennessee, Alabama, Georgia, and Mississippi. Is it possible to find a route that starts in Mississippi and crosses each common state border exactly one time?
A. Yes B. No
For what value of a does the equation represent a circle with center
? When a assumes this value, what is the radius of the circle?
?
A. ,
B. ?,
C. ?,
D. ?,
E. ?,
Find the degree of the polynomial function.f(x) = -14x4 - 5x3 + 4
A. -5 B. -14 C. 8 D. 4
Use dimensional analysis to solve the problem.An investigating officer examining skid marks at the scene of an accident estimates the speed of the vehicle to have been 86 ft/sec. Was the driver exceeding the 55 mi/hr speed limit? Explain.
A. No. The driver was traveling about 48 mi/hr. B. Yes. The driver was traveling about 59 mi/hr.