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Zepler [3.9K]
3 years ago
15

NEED HELP NOW 57 POINTS!!!!!!!

Mathematics
2 answers:
zheka24 [161]3 years ago
7 0
Your connexus me to i'm in connexus i'm in the 5th grade

Liono4ka [1.6K]3 years ago
5 0
The answer to the first unanswered question is D.
The answer to the second unanswered question is A.
I hope this helps.
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Lia must work at least 5 hours per week in her family’s restaurant for $8 per hour. She also does yard work for $12 per hour. Li
Fittoniya [83]

Answer:

(a)

r\geq  5

r+y\leq 15

8r+12y\geq 120

y\geq 0

(c)Maximum number of hours Lia can work at the restaurant and still meet her earnings goal = 15 hours

(d)Maximum Earning = $160

Step-by-step explanation:

Let r be the number of hours worked at the restaurant.

Let y be the number of hours of yard work,

Lia must work at least 5 hours per week in her family’s restaurant for $8 per hour.

r\geq  5

Since she does yard work, y\geq 0

Lia’s parents allow her to work a maximum of 15 hours per week overall.

r+y\leq 15

Lia’s goal is to earn at least $120 per week.

The restaurant, r pays $8 per hour

Yard work, y pays $12 per hour.

Therefore:

8r+12y\geq 120

The system of inequalities that represent this problem is therefore:

r\geq  5

r+y\leq 15

8r+12y\geq 120

y\geq 0

(b)The graph of the inequality is attached below

(c)When the graph is plotted, the vertices of the feasible region are:

  • (5,10)
  • (5, 6.7)
  • (15,0)

Where the first term is for the number of hours worked in the restaurant.

The maximum value of r possible is 15 from the three points.

Therefore, she can work at the restaurant for 15 hours and still meet her earning goal.

(d)Maximum Amount Lia can earn in 1 Week

  • At (5,10), Earning=(5X8)+(10X12)=40+120=$160
  • At (5, 6.7), Earning=(5X8)+(6.7X12)=40+80.4=$120.4
  • At (15,0) Earning=(15X8)+(0X12)=$120

Since she has to work at least 5 hours at the restaurant, the maximum amount possible is $160.

8 0
3 years ago
I attached the files
grandymaker [24]

Answer: why do you have so many files

Step-by-step explanation: plz tell me lol

3 0
2 years ago
Find the distance between (3,9) and (9,1)<br> HELPPPPPPPP PLZZZZ
antiseptic1488 [7]

Answer: i am almost positive

Step-by-step explanation:

that the answer is (6,4)

7 0
3 years ago
Erin received the following scores on her last four spelling tests.
Helen [10]
I'm not sure what you do with the whole numbers but 0.8 is 80% and 82% is higher than 80% so its not 0.8
4 0
3 years ago
Finance you are investing P dollars at an annual interest rate of r,compounded continuously,for t years.which of the following o
Nookie1986 [14]

Answer:

Please see attachment

Step-by-step explanation:

Please see attachment

5 0
3 years ago
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