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erastovalidia [21]
2 years ago
11

Use the diagram below to match the ratios below. B a A b sin B COS B tan B tan A COS A sin A​

Mathematics
1 answer:
Paha777 [63]2 years ago
8 0

Answer:

See explanation

Step-by-step explanation:

Given

The attached triangle

Required

Complete the ratios

(a) sin B

\sin(B) is calculated as:

\sin(B) = \frac{Opposite}{Hypotenuse}

\sin(B) = \frac{b}{c}

(b) cos B

\cos(B) is calculated as:

\cos(B) = \frac{Adjacent}{Hypotenuse}

\cos(B)  = \frac{a}{c}

(c) tan B

\tan(B) is calculated as:

\tan(B) = \frac{Opposite}{Adjacent}

\tan(B) = \frac{b}{a}

(d) tan A

\tan(A) is calculated as:

\tan(A)= \frac{Opposite}{Adjacent}

\tan(A) = \frac{a}{b}

(e) cos A

\cos(A) is calculated as:

\cos(A) = \frac{Adjacent}{Hypotenuse}

\cos(A) = \frac{b}{c}

(f) sin A

\ain(B) is calculated as:

\sin(B) = \frac{Opposite}{Adjacent}

\sin(B) = \frac{a}{c}

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A manufacturing company produces 3 different products A, B, and C. Three types of components, i.e., X, Y, and Z, are used in the
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Answer:

Step-by-step explanation:

Using the Excel Formula:

Decision    Variable        Constraint              Constraint

A                     65                          65                         100

B                     80                          80                         80

C                     90                         90                          90

                      14100                    300                        300

= (150 *B3)+(80*B4) +(65*B5)-(100-B3+80-B4+90-B5)*90

Now, we have:

Suppose A, B, C represent the number of units for production A, B, C which is being manufactured

                             A              B                  C                Unit price

Need of X          2                 1                   1                     $20

Need of Y           2                3                  2                    $30

Need of Z           2                2                  3                    $25

Price of  

manufac -      $200          $240            $220      

turing

Now,  for manufacturing one unit of A, we require 2 units of X, 2 units of Y, 2 units of Z are required.  

Thus, the cost or unit of manufacturing of A is:

$20 (2) + $30(2) + $25(2)

$(40 + 60 + 50)

= $150

Also, the market price of A = $200

So, profit = $200 - $150 = $50/ unit of A

Again;

For manufacturing one unit of B, we require 1 unit of X, 3 units of Y, and 2 units of Z are needed and they are purchased at $20, $30, and 425 each.

So, total cost of manufacturing a unit of B is:

= $20(1) + $30(3) + $25(2)

= $(20 + 90+50)

= $160

And the market price of B = $240

Thus, profit = $240- $160  

profit = $80

For manufacturing one unit of C, we have to use 1 unit of X, 2 unit of Y, 3 units of Z are required:

SO, the total cost of manufacturing a unit of C is:

= $20 (1) + $30(2) + $25(3)

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This, the profit = $220 - $155 = $65

However; In manufacturing A units of product A, B unit of product B & C units of product C.

Profit  --> 50A + 80B + 65C

This should be provided there is no penalty for under supply of there is under supply penalty for A, B, C is $40

The current demand is:

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80 - B

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So, we have to maximize the profit  

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Subject to constraints;

we have the total units of X purchased can only be less than or equal to 300 due to supplies capacity

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2A + B +C \le 300 due to 2A, B, C units of X are used in manufacturing A, B, C units of products A, B, C respectively.

Next; demand for A, B, C will not exceed 100, 80, 90 units.

Hence;

A \le 100

B \le 80

C \le 90

 

and A, B, C \ge 0 because they are positive quantities

The objective is:

\mathbf{Z = 50A + 80B + 65 C - (100 - A + 80 - B + 90 - C) * 40}

A, B, C \to Decision Varaibles;

Constraint are:

A \le 100 \\ \\  B \le 100 \\ \\ C \le 90 \\ \\2A + B + C \le 300 \\ \\ A,B,C \ge 0

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Step-by-step explanation:

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Radioactive Decay:
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The question is incomplete, here is the complete question:

The half-life of a certain radioactive substance is 46 days. There are 12.6 g present initially.

When will there be less than 1 g remaining?

<u>Answer:</u> The time required for a radioactive substance to remain less than 1 gram is 168.27 days.

<u>Step-by-step explanation:</u>

All radioactive decay processes follow first order reaction.

To calculate the rate constant by given half life of the reaction, we use the equation:

k=\frac{0.693}{t_{1/2}}

where,

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Putting values in above equation, we get:

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The formula used to calculate the time period for a first order reaction follows:

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