Solve the problem by estimating.As part of her preparation for soccer tryouts, Karen did 92 sit-ups each day for 46 days. Estimate how many sit-ups she did during that period. Round the number of sit-ups and the number of days to the to the nearest ten.
A. 45,000 leg lifts
B. 1300 leg lifts
C. 13,000 leg lifts
D. 4500 leg lifts
Answer: D
You might also like to view...
Write the function as a product of linear and irreducible quadratic factors, all with real coefficients.f(x) = x4 - 7x3 + 11x2 - 7x + 10
A. (x - 5)(x + 2)(x2 + 1) B. (x + 5)(x - 2)(x2 + 1) C. (x - 5)2(x2 + 1) D. (x - 5)(x - 2)(x2 + 1)
Solve.195 = 16x + 19
A. {160} B. {164} C. {11} D. {6}
Decide whether the expression has been simplified correctly.xy0 = x
A. Yes B. No
Find the maximum value of the objective function and where it occurs, subject to the indicated constraints.
?
Objective function:
?
?
z = 5x + 8y
?
Constraints:
?
x ? 0
y ? 0
x + 3y ? 15
4x + y ? 16
?
?
?
A. Maximum at (3, 4): 47 B. Maximum at (4, 0): 20 C. Maximum at (5, 0): 44 D. Maximum at (0, 5): 40 E. Maximum at (0, 0): 0