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Schach [20]
3 years ago
15

Kayla wants to find the width, AB, of a river. She walks along the edge of the river 100 ft and marks point C. Then she walks 22

ft further and marks point D. She turns 90° and walks until her location, point A, and point C are collinear. She marks point E at this location, as shown.
Mathematics
2 answers:
liubo4ka [24]3 years ago
8 0
You did not give me B, so I cannot help you with this question.
musickatia [10]3 years ago
5 0

Answer:

Given data

edge of the river=100 ft

angle=90

Width of AB=100+22sin90

Width of AB=122 ft

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Triangle ABD is a right-angled triangle, with ∠ABD = 90◦ . The point C lies on side BD. CD has length 20 cm. ∠CDA = 35.8 ◦ and ∠
pishuonlain [190]
The length is 46.10 cm.

Since ∠BCA = 50.5°, ∠ACD = 180-50.5 =129.5°.  This means that ∠CAD = 180-(129.5+35.8) = 14.7°.  We can now use the law of sines;

sin 14.7/20 = sin 35.8/x

Cross multiply:
x*sin 14.7 = 20*sin 35.8

Divide both sides by sin 14.7:
x = (20*sin 35.8)/(sin 14.7) = 46.10
6 0
3 years ago
Is 65.434... Rational or irrational
Stells [14]
It is rational because it is not negative
8 0
3 years ago
Please help!! I need to make a one hundred or ill fail.
nirvana33 [79]

The volume of the rectangular prism is 90 cubic units.

Step-by-step explanation:

The volume of the cube is given by the product of length,width and height

v=l*w*h where v is volume in cubic units, l is length in units, w is width in units and h is height in units

In this case, l=6 units, w=3 units and h = 5 units

The volume will be;

v= l*w*h

v=6*3*5

v=90 cubic units

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Volume of a rectangular prism :brainly.com/question/11906792

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6 0
3 years ago
Stock in Daenerys Industries has a beta of 1.2. The market risk premium is 5 percent, and T-bills are currently yielding 4.2 per
sasho [114]

Answer:

The best estimate of the company's cost of equity is 10.05%.

Step-by-step explanation:

Using growth rate model formula, the cost of equity can be calculated as follows:

Cost of equity as per growth rate model = (D1 / P) + g ................ (1)

D1 = Most recent dividend * (1 + g) = $1.40 * (1 + 0.05) = $1.47

P = Current price per share = $30

g = Growth rate of dividend = 5%, or 0.05

Substituting the values into equation (1), we have:

Cost of equity as per growth rate model = ($1.47 / $30 ) + 0.05

Cost of equity as per growth rate model = 0.099. or 9.90%

Using Capital Asset Pricing Model (CAPM) formula, the cost of equity can be calculated as follows:

Cost of equity as per CAPM = Risk free rate + (Beta * Market risk premium) = 4.2 + (1.2 * 5) = 10.20%

Therefore, we have:

Best estimate of Cost of equity = (Cost of equity as per growth rate model + Cost of equity as per CAPM) / 2 = (9.90% + 10.20%) / 2 = 10.05%

Therefore, the best estimate of the company's cost of equity is 10.05%.

6 0
3 years ago
How do I solve this?
Mama L [17]

Answer:

It's B

please mark me as brainliest

Step-by-step explanation:

5 0
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