3 years ago

Brainiest to whoever right thanks

Mathematics

2 answers:

enot [183]3 years ago

8 0

Answer:

72 degrees

Step-by-step explanation:

Since the trees are parallel, so are the angles.

andreev551 [17]3 years ago

5 0

Answer:

18°

Step-by-step explanation:

if you draw a staight line from 2 to left tree, you get a right angled triangle with angels 72, 90 and 18. with 18degrees being at point 2.

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Step-by-step explanation

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klasskru [66]

Answer:

70 = 1/2 b *8

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Step-by-step explanation:

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8 0

3 years ago

The cost function for a certain company is C = 20x + 700 and the revenue is given by R = 100x − 0.5x2. Recall that profit is rev

Sladkaya [172]

Answer:

The two values of production level are:

x = 20

x = 140

Step-by-step explanation:

Let's write the Profit equation by subtracting the cost function from the revenue one:

$Profit(x)=100\,x-0.5\,x^2-(20\,x+700)\\Profit(x)=-0.5\,x^2+80\,x-700$

Now, we set to find the production level "x" to give us a profit of $ 700:

$Profit(x)=-0.5\,x^2+80\,x-700\\700=-0.5\,x^2+80x-700\\0.5\,x^2-80\,x+1400=0$

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$x=\frac{80+/-\sqrt{80^2-4(0.5)(7700)}}{2\,*\,0.5} \\x=80+/-\sqrt{3600} \\x=80\,+/-\,60$

which gives two posible solutions: x = 20, or x = 140

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4 years ago