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faltersainse [42]
3 years ago
15

(-2a+5)(3a+4)

5)(3a + 4)" alt="( - 2a + 5)(3a + 4)" align="absmiddle" class="latex-formula">
​
Business
1 answer:
vichka [17]3 years ago
6 0
Simplifying
(2a + 5)(3a + -4) = 0

Reorder the terms:
(5 + 2a)(3a + -4) = 0

Reorder the terms:
(5 + 2a)(-4 + 3a) = 0

Multiply (5 + 2a) * (-4 + 3a)
(5(-4 + 3a) + 2a * (-4 + 3a)) = 0
((-4 * 5 + 3a * 5) + 2a * (-4 + 3a)) = 0
((-20 + 15a) + 2a * (-4 + 3a)) = 0
(-20 + 15a + (-4 * 2a + 3a * 2a)) = 0
(-20 + 15a + (-8a + 6a2)) = 0

Combine like terms: 15a + -8a = 7a
(-20 + 7a + 6a2) = 0

Solving
-20 + 7a + 6a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-5 + -2a)(4 + -3a) = 0

Subproblem 1
Set the factor '(-5 + -2a)' equal to zero and attempt to solve:

Simplifying
-5 + -2a = 0

Solving
-5 + -2a = 0

Move all terms containing a to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -2a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2a = 0 + 5
-2a = 0 + 5

Combine like terms: 0 + 5 = 5
-2a = 5

Divide each side by '-2'.
a = -2.5

Simplifying
a = -2.5
Subproblem 2
Set the factor '(4 + -3a)' equal to zero and attempt to solve:

Simplifying
4 + -3a = 0

Solving
4 + -3a = 0

Move all terms containing a to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -3a = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = 0 + -4
-3a = 0 + -4

Combine like terms: 0 + -4 = -4
-3a = -4

Divide each side by '-3'.
a = 1.333333333

Simplifying
a = 1.333333333
Solution
a = {-2.5, 1.333333333}
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B) 192 A

C)  1000 A

Explanation:

The Question is to Compute Simba Company's Total, Price, and Quantity materials Variances

1) Computation of material Cost Variance

= The Standard Cost - The Actual Cost of the material

= 1,500 units x 2 pounds = 3000 pounds

Standard Cost = 3,000 pounds x $5 = $15,000

Therefore material variance = $15,000 - $16,192 = 1192A

2) The material Rate Variance or the Price Variance

= (Standard Rate - Actual Rate) Actual Quantity

= Actual Rae = $16,192 / 3200 = $5.06

Material Rate Variance = (5- 5.06) x 3,200

= 192 A

3) The material Usage Variance or Quantity variance

= (The Standard Quantity - Actual Quantity) Standard Rate

Standard Quantity = 1,500 Units x 2 Pounds = 3000 pounds

Material Usage Variance = (3,000-3,200) 5

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2 years ago
A portfolio that combines the risk-free asset and the market portfolio has an expected return of 6.5 percent and a standard devi
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Answer: Step 1) Find share of market in the Portfolio

(11.5-3.5)x+3.5=6.5

8x=3

x=3/8

x=0.375

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SD of market portfolio= 0.375x+0=9.5

x=9.5/0.375

=25.33%

correl = cov / (std 1 * std2)

0.4=COV/0.2533*0.545

COV= 0.2533*0.545*0.4=0.05

cov of 2 assets = b1 * b2 * variance of market

0.05=B1*1*0.2533^2

B of security=0.0032

Capm Model

3.5+0.0032(11.5-3.5)=3.5256% expected return

Explanation:

Step 1) Find the share of market in the portfolio in order to find market SD

Step 2)  Find Covariance betweens security and market by using both SDS and correlation

Step 3) Find Beta of Security using Co variance

Step 4) Use the Beta in CAPM model in order to find expected return

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3 years ago
Linda decides to open a kiosk in the mall selling baseball hats. It costs her $2280 to stock 100 hats and $3580 to stock 500 hat
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Answer with Explanation:

1. Marginal Cost per Unit

As we know:

Marginal Cost per Unit = Change in Cost / Change in Quantity Bought

= ($3580 - $2280) / (500 - 100)

= $3.25 per Unit

2. Fixed Cost to setup

The fixed cost would be $2280 because it is the cost that is required for setting up the kiosk. The cost $3580 is not relevant because it depends on the demand of the product. The least cost to set up kiosk is $2280.

3. Cost Function

Total Cost = Fixed Cost + Variable Cost

As we know that:

Variable Cost = Marginal cost per unit * Number of units = $3.25 * x = 3.25x

For Fixed cost $2280

By putting this value in the above equation, we have:

Total Cost = $2280 + 3.25x

C(x) = $2280 + 3.25x

And

For Fixed cost $3580

C(x) = $3580 + 3.25x

4. Revenue Function

Total Revenue = Selling Price per Unit  *  Total Units

Here

Selling price is $8 and total units are "x"

By putting values, we have:

Total Revenue = $8 * x

R(x) = 8x

5. Breakeven Point For $2280 and $3580

As we know that

Breakeven Point = Fixed Cost / Contribution Per unit

For Fixed Cost $2280:

Breakeven Point = $2280 / ($8 - $3.25)

= 480 Units

For Fixed Cost $2280:

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For Fixed Cost $2280:

Profit = Revenue Function - Cost Function

P(x) = 8x  -  ($2280 + 3.25x)

P(x) = 8x - $2280 - 3.25x

P(x) = 4.75x - $2280

For Fixed Cost $3580:

P(x) = 4.75x - $3580

7. Claire's Profit if she sells 1,000 bottles

Using the above profit function for fixed cost $2280, we have:

P(x) = 4.75x - $2280

Here x is 1,000 units, which means:

P(x) = 4.75 * 1,000   -   $2280

P(x) = $4,750 - $2280 = $2,470

Using the above profit function for fixed cost $3,580, we have:

P(x) = 4.75x - $3,580

Here x is 1,000 units, which means:

P(x) = 4.75 * 1,000   -   $3,580

P(x) = $4,750 - $3,580 = $1,170

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2 years ago
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Trade discounts are offered to customers with high volume orders in a specified date of payment. In the problem given, the estimated price of the jacket is $50 but with 40% discount within 10 days of purchase. 

Therefore, $50 * 40% = 20. The manufacturer will receive $30 which is the price less discount.

7 0
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