I don’t understand that language
Answer:
30 units of Food A and 45 units of Food B are to be purchased to keep costs at the minimum $105.
Explanation:
X = Amount of food A
Y = Amount of food B
Z= 2X+Y..... minimum cost equation
50X + 20Y > 2400 .................Vitamins .......(1)
30X + 20Y > 1800 ...................Minerals.......(2)
10X + 40Y > 1200 .................Calories ..........(3)
X > 0
y > 0
X=30 and Y = 45
Z= 2(30) + 45 = $105
<span> (keyboards, mice, scanning, computer chips)</span>
Answer:
"The question mark quantifier "?" will match the preceding element exactly one time" is the correct answer to the given question .
Explanation:
The Quantifiers are defined as it determine how the several occurrences of a set of symbols, categories, or the characters should be found throughout the input to searching the matches.
- The * quantifier in the regular expression corresponds the zero or more then zero to the previous item. it is represented by {0,} quantifier
- The + quantifier in the regular expression appears to fit in one or more times with the previous item. it equates with {1} quantifier.
- The? Quantifier in regular expression compares zero or once of a previous item. It equates with {0,1}.
- All the option are true regarding regular expression quantifiers so these option are incorrect according to the question
