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stira [4]
3 years ago
5

Someone help me with number 3

Mathematics
2 answers:
KatRina [158]3 years ago
8 0
The angle ABC is 90 degrees.
 It is divided into two angles. 

One is 4x, and one is 5x. Together that is 9x. 
9x = 90
Divide each side by 9 to get x. 
x = 10 

Multiply 4 by 10 to get 40 for angle ABD.
Multiply 5 by 10 to get 50 for angle DBC. 

∠ABD is 40º.
∠DBC is 50º.

Hope this helps!
julia-pushkina [17]3 years ago
7 0
Angle ABD = 40 Degrees. Angle DBC = 50 Degrees. Because we know that a right angle ( a boxed corner ) is 90 Degrees, you add up the X's and divide by 90 to find what X is. X in this case is 10. You then multiply using X ( 10 ). 4x10 is 40 and 5x10 is 50. Thus getting your angles.
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zhannawk [14.2K]

We conclude that the profit if the company produces 10 units is 1,040 dollars.

<h3></h3><h3>How to find the profit?</h3>

The profit is defined as the difference between the revenue and the costs.

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