Solve.Eight individually powered machines have motors that use 455 watts each. What is the total wattage used when all machines are running?
Fill in the blank(s) with the appropriate word(s).
3640 watts
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Use = or ? for ? to write a true sentence.
? 
A. ? B. =
Solve the problem.Formulate the following problem as a linear programming problem (DO NOT SOLVE):A veterinarian wants to set up a special diet that will contain at least 500 units of vitamin B1 at least 800 units of vitamin B2 and at least 700 units of vitamin B6. She also wants to limit the diet to at most 300 total grams. There are three feed mixes available, mix P, mix Q, and mix R. A gram of mix P contains 3 units of vitamin B1, 5 units of vitamin B2, and 8 units of vitamin B6. A gram of mix Q contains 9 units of vitamin B1, 8 units of vitamin B2, and 6 units of vitamin B6. A gram of mix R contains 7 units of vitamin B1, 6 units of vitamin B2, and 9 units of vitamin B6. Mix P costs $0.10 per gram, mix Q costs $0.12 per gram, and mix R costs $0.21 per gram. How many grams of each mix
should the veterinarian use to satisfy the requirements of the diet at minimal costs? (Let x1 equal the number of grams of mix P, x2 equal the number of grams of mix Q, and x3 equal the number of grams of mix R that are used in the diet).
A.
| Minimize | C = -0.10x1- 0.12x2 - 0.21x3 |
B.
| Minimize | C = 0.10x1- 0.12x2 + 0.21x3 |
C.
| Minimize | C = 0.10x1 + 0.12x2 + 0.21x3 |
D.
| Minimize | C = 0.10x1- 0.12x2 - 0.21x3 |
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Find the indicated matrix.A - B, where A = 
, B = 
A. 
B.
[ -3]
C. 
D. 