Solve the equation.Solve 5 cos t + 2 = 1.281 for t, where t is a real number in the interval 
. Approximate t to 3 decimal places.
A. 0.475
B. 1.715
C. 1.426
D. 0.493
Answer: B
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Solve the problem.Consider a small region inside an elastic material such as gelatin. As the material "jiggles", this small region oscillates about its equilibrium position (x0, y0, z0). The force that tends to restore the small region to its equilibrium position can be approximated as F = - k(x - x0)i - k(y - y0)j - k(z - z0)k Find a potential function f for this force field.
What will be an ideal response?
Solve.In a state with a population of 7,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.
A. $42 × 1010 B. $4.2 × 109 C. $42 × 1011 D. $4.2 × 1010
Factor completely, if possible.z2+ 6z + 9
A. (z + 3)2 B. (z - 3)2 C. (z + 3)(z - 3) D. (z + 6)(z - 6)
Solve the problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk
= A
The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B. cost
Large Lot Small Lot
= B
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Use matrix multiplication to find a matrix giving the costs under the two purchase options to fill the day's orders.
A. 
B. 
C. These matrices cannot be multiplied.
D. 