Use properties of real numbers to calculate the expression mentally.7 + 16 + 6 + 4 + 14
A. 37
B. 27
C. 33
D. 47
Answer: D
You might also like to view...
Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 
A. 48% B. 50% C. 44% D. 52%
Solve the problem.A bakery sells four main items: rolls, bread, cake, and pie. The amount of each of five ingredients (in cups, except for eggs) required to make a dozen rolls, a loaf of bread, a cake, or a pie is given by matrix A. Eggs Flour Sugar Shortening Milk 
= ASuppose a day's orders total 20 dozen rolls, 200 loaves of bread, 50 cakes, and 60 pies. Write the orders as a 1 × 4 matrix and, using matrix multiplication, find a matrix for the amount of each ingredient needed to fill the day's orders.
A. 
B. These matrices cannot be multiplied.
C. 
D. 
The rectangular coordinates of a point are given. Find polar coordinates for the point.(5, 0)
A. (5, 0)
B. (-5, 0)
C. 
D. 
Identify the conic section that the polar equation represents. Describe the location of a directrix from the focus located at the pole.r =
A. hyperbola; The directrix is 1 unit(s) below the pole at y = -1. B. hyperbola; The directrix is 1 unit(s) above the pole at y = 1. C. hyperbola; The directrix is 1 unit(s) to the right of the pole at x = 1. D. hyperbola; The directrix is 1 unit(s) to the left of the pole at x = -1.