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almond37 [142]
3 years ago
6

Where does the number 13 come from in this problem. About dory and karly?

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0
Where is the problem?
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Rob Polanski is a tractor salesman. Last week his total sales amounted to $38,642.00, and he received 2,704.94 in commissions. W
Mashutka [201]
Rate of commission
(2,704.94÷38,642)×100=7%
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3 years ago
Consider a triangle ABC like the one below. Suppose that =A110°, =b25, and =c4. (The figure is not drawn to scale.) Solve the tr
tamaranim1 [39]

Side a, angle B and angle C of triangle ABC are 26.6 units, 61.9 degrees and 8.1 degrees respectively.

<h3>What is the value of the missing angles and side?</h3>

Given that;

  • Angle A = 110°
  • Side b = 25
  • side c = 4
  • side a = ?
  • Angle B = ?
  • Angle C = ?

First we determine the length of side a

a = \sqrt{b^2-c^2-2bc*cos(A)}

We substitute our values into the above equationa = \sqrt{25^2-4^2-(2*25*4*cos(110)}\\\\a = 26.6

Side a has a length of 26.6 units.

B = cos^{-1}(\frac{a^2+c^2-b^2}{2ac}) \\\\B = cos^{-1}(\frac{26.63464^2+4^2-25^2}{2*26.63464*4}) \\\\B = 61.9

Angle B is 61.9 degrees.

C = cos^{-1}(\frac{a^2+b^2-c^2}{2ab} )\\\\C = cos^{-1}(\frac{26.63464^2+25^2-4^2}{2*26.63464*25} )\\\\C =8.1

Angle C is 8.1 degrees.

Therefore, side a, angle b and angle c of the triangle ABC are 26.6 units, 61.9 degrees and 8.1 degrees respectively.

Learn more about triangles here: brainly.com/question/14882091

#SPJ1

5 0
2 years ago
Some one please click on my profile and answer my two questions they are about circles than you
LekaFEV [45]
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7 0
3 years ago
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Which expression can be used to find the retail price of an item that was bought at wholesale for $112 and sold at a 40% markup?
Ostrovityanka [42]

Answer:

Your answer is D or $112 + 0.40($112)

Explanation:

I got it right on edge 2021

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3 years ago
Which of the following expressions is not equivalent to -4.5 • -8?
strojnjashka [21]

Answer: (8)(-4.5)

Step-by-step explanation: If you were to multiply -4.5 • -8 it would be a positive number but if you multiply (8)(-4.5) that would equal a negative number

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3 years ago
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