answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
salantis
1 month ago
7

A steel plant has two sources of ore, source A and source B. In order to keep the plant running, at least three tons of ore must

be processed each day. Ore from source A costs $20 per ton to process, and ore from source B costs $10 per ton to process. Costs must be kept to no more than $80 per day. Moreover, Federal Regulations require that the amount of ore from source B cannot exceed twice the amount of ore from source A. If ore from source A yields 300 lbs of steel per ton, and ore from source B yields 400 lbs of steel per ton, how many tons of ore from each source should be processed each day to maximize the amount of steel produced?
A) 1 ton from source A, 2 tons from source B
B) 2 tons from source A, 4 tons from source B
C) 3 tons from source A, 0 tons from source B
D) 4 tons from source A, 0 tons from source B
Mathematics
2 answers:
AnnZ [12.3K]1 month ago
5 0
The solution to this issue is <span>B) 2 tons from source A, 4 tons from source B.

To address an optimization issue, one might use either linear programming or algebra. From the information provided, three equations can be devised for the constraints, identifying ore A as x and ore B as y.

x + y >= 3 (</span><span>implying a minimum of three tons of ore must be processed daily)
</span>20x + 10y <= 80 (expenses are limited to a maximum of $80 per day)<span>y/x <= 2 (</span><span>denoting that ore from source B cannot go over two times the amount from source A)

The goal to maximize in this problem is the steel production: 300x + 400y

This results in two solutions at points (2, 4) and (1, 2). Now we evaluate which solution MAXIMIZES steel production:

@ (2,4): 300*2 + 400*4 = 2200 lbs of steel
@(1,2): 300 + 400*2 = 1100 lbs of steel

Thus B is the correct answer.</span>
Leona [12.6K]1 month ago
5 0
The answer relevant to the presented question is: "C) 3 tons from source A, 0 tons from source B." This indicates the amounts of ore from each source that should be processed daily to optimize steel production is <span>C) 3 tons from source A, 0 tons from source B </span>
.
You might be interested in
If a geometric sequence has a1 = 256 and a8 = 512, find the exact value of the common ratio ????.
lawyer [12517]

Answer:r=1.104

Step-by-step explanation:

Starting value a_1=256

Also

can be expressed as

a_8=512

where r=common ratioa_8

a_8=ar^7

512=256r^7

2=r^7

r=\left ( 2\right )^{\frac{1}{7}}

r=1.104

7 0
13 days ago
Triangle QRS is a right triangle with the right angle at vertex R. The sum of m∠Q and m∠S must be equal to 45°. greater than 45°
tester [12383]
According to the triangle sum theorem, the total of all angles in a triangle must equal 180 degrees. Given that one angle measures 90 degrees, we can determine the other angles by calculating 180-90=90. The remaining two angles must sum to 90 degrees, precisely.
8 0
15 days ago
Read 2 more answers
do you agree that the equation (x-4)²=9 can be solved both by factoring and extracting square roots? ​
Zina [12379]

Given parameters:

  Equation:

          (x-4)²=9

Problem: Solve the equation by both factoring and extracting the square root.

Solution:

    Starting equation:

                  (x-4)²=9

         Subtracting 9 from both sides brings us to zero;

                (x-4)² - 9 = 0

                (x -4)² - 3² = 0

  This fits the concept of the difference of squares;

          x² - y² = (x + y)(x-y)

                     

Let x  = x-4 and y = -3

  Then input and solve;

              (x - 4 -3)(x - 4 -(-3)) = 0

              (x - 7)(x - 1) = 0

S thus,

             x - 7 = 0 or x-1 = 0

             x = 7 or 1

<pBy extracting the square roots;

          (x-4)² = 9

         √(x-4)² = √9

              x - 4 = 3

              x  = 4 + 3 = 7; however, this is not the sole solution

Thus, direct extraction of the square root is not the method for complete solutions.

7 0
1 month ago
0.002 is 1/100 of what decimal?
Zina [12379]
The appropriate conversion should be 0.2. If that's incorrect, please let me know.
6 0
1 month ago
Read 2 more answers
A basket contains five apples and seven peaches. Four of the apples and two of the peaches are rotten. You randomly pick a piece
tester [12383]
2/35possible outcomes:5*7=35fresh or apple = 22/35
6 0
14 days ago
Read 2 more answers
Other questions:
  • A carpenter is building a rectangular bookcase with diagonal braces across the back, as shown. The carpenter knows that angle AD
    8·1 answer
  • The weight of a population of yeast is given by a differentiable function y, where y(t) is measured in grams and t is measured i
    6·1 answer
  • Given data for different baseball teams’ number of home runs and wins for the past season, how would you find the equation of th
    13·2 answers
  • Kayson is looking at two buildings, building A and building B, at an angle of elevation of 40' Building Als 120 feet away, and b
    5·2 answers
  • If there were 49 cars in a line that stretched 528 feet, what is the average car length? assume that the cars are lined up bumpe
    8·1 answer
  • Kelsey's school can be represented by Point A(9,9). Point A can be translated 6 units left and 5 units down to create 'A', the l
    11·1 answer
  • The area of rectangle ABCD is represented by the expression 2x2 – 13x + 21. The area of rectangle WXYZ is represented by the exp
    14·1 answer
  • Ellen types 205 words in five minutes. Which student has the same typing speed as Ellen?
    13·1 answer
  • 12. The traffic warning sign below has a triangle shape with base of 18 inches,
    8·1 answer
  • Which is equivalent toStartRoot 10 EndRoot Superscript three-fourths x ?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!