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vaieri [72.5K]
3 years ago
9

Given solve triangle ABC. Round the answer to the nearest hundredth. A. A- 9.590, B8841°, c-11.89 B. A 9.590, B-8841, c 12.17 C.

A 88.41°, B-9.59°, c 11.89 D. A- 8841°, B9.590, c 12.17
Mathematics
1 answer:
nikitadnepr [17]3 years ago
3 0
I think the answer is b
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A company manufactures two different sizes of boat lifts. The smaller lift requires 1 hour in the welding department and 2 hours
qaws [65]

Answer:

  • The solution that optimizes the profit is producing 0 small lifts and 50 large lifts.
  • Below are all the steps explained in detail.
  • The graph is attached.

Explanation:

<u />

<u>1. Name the variables:</u>

  • x: number of smaller lifts
  • y: number of larger lifts

<u></u>

<u>2.  Build a table to determine the number of hours each lift requires from each department:</u>

<u></u>

Number of hours

                                        small lift    large lift   total per department

Welding department            1x             3y                x + 3y

Packaging department        2x             1y                2x + y

<u></u>

<u>3. Constraints</u>

  • 150 hours available in welding:         x + 3y ≤ 150
  • 120 hours available in packaging:   2x + y ≤ 120
  • The variables cannot be negative:    x ≥ 0, and y ≥ 0

Then you must:

  • draw the lines and regions defined by each constraint
  • determine the region of solution that satisfies all the constraints
  • determine the vertices of the solution region
  • test the profit function for each of the vertices. The vertex that gives the greatest profit is the solution (the number of each tupe that should be produced to maximize profits)

<u></u>

<u>4. Graph</u>

See the graph attached.

Here is how you draw it.

  • x + 3y ≤ 150
  • draw the line x + 3y = 150 (a solid line because it is included in the solution set)
  • shade the region below and to the left of the line

  • 2x + y ≤ 120
  • draw the line 2x + y ≤ 120 (a solid line because it is included in the solution set)
  • shade the region below and to the left of the line

  • x ≥ 0 and y ≥ 0: means that only the first quadrant is considered

  • the solution region is the intersection of the regions described above.

  • take the points that are vertices inside the solutoin region.

<u>5. Test the profit function for each vertex</u>

The profit function is P(x,y) = 25x + 90y

The vertices shown in the graph are:

  • (0,0)
  • (0,50)
  • (42,36)
  • (60,0)

The profits with the vertices are:

  • P(0,0) = 0
  • P(0,50) = 25(0) + 90(50) = 4,500
  • P(42,36) = 25(42) + 90(36) = 4,290
  • P(60,0) = 25(60) + 90(0) = 1,500

Thus, the solution that optimizes the profit is producing 0 smaller lifts and 90 larger lifts.

3 0
2 years ago
A department store buys 300 shirts for a total cost of 7,200 and sells them for $30 each. Find the percent markup.
worty [1.4K]

Step-by-step explanation:

7200 ÷ 300 = 24

30 - 24 = 6

6/24 × 100/1 = 25%

3 0
3 years ago
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Divide. Reduce the answer to lowest terms.<br><br> 1/5 ÷ 3/4
Nostrana [21]

Answer:

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Step-by-step explanation:

  1. 1/5÷3/4 is the same as 1/5•4/3 by using same, change, reciprocal.
  2. 1/5•4/3=4/15.
  3. 4/15 cannot be simplified any more so the answer is 4/15.
6 0
3 years ago
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One number is four times the other number. The larger number is also 87 more than the smaller number.
12345 [234]

Answer:

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Step-by-step explanation:

Let numbers be x and y

<u>Then we have equations:</u>

  • x = 4y
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<u>Comparing</u>

  • 4y = y + 87
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  • y = 87/3
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<u>Then, the larger number is</u>

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2 years ago
I have 6 feet of licorice and I want to share it with my friends. If each person gets
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Answer:9 people

Step-by-step explanation:

6/3/2= 6x3/2 =9.

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