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aleksandrvk [35]
3 years ago
5

Help plz will mark brainliest.

Mathematics
2 answers:
irina1246 [14]3 years ago
7 0
AB = 24
BC = 45
AC = 51

cos C = adjacent / hypotenuse
cos C = BC / AC
cos C = 45/51

svlad2 [7]3 years ago
3 0
900 is the right answer

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If the fixed cost is 9000 per year. Variable costs are estimated to be Tk. 60.75 / item. The firm wants to break even if 80 item
Mnenie [13.5K]

9514 1404 393

Answer:

  Tk 173.25

Step-by-step explanation:

The firm will break even if its cost is equal to its revenue. That is, the price of each item sold must equal the cost of producing it. To cover the fixed cost, a share of it must be added to each of the items sold. Then the break-even price for 80 items is ...

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6 0
3 years ago
Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}
Airida [17]

Add 12 to both sides:

5r^2 = 80

Divide by 5:

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Square root both sides:

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The answer is {+/- 4}.

3 0
3 years ago
Read 2 more answers
Consider the equations 3x+2=14 and 2+3x=14 <br>Do they have the same solution? Why or why not?
mixer [17]
Yes, on the left side you are adding 3x+2 in one and 2+3x in the other. these add to the same number because addition is Commutative on the real numbers.
7 0
3 years ago
What does n=<br> Because my teacher got 459 and I got 359
viva [34]

Answer:

You're right, it is 359!

Let's break down the problem.

The equation is...

21 - 359 / 26 = 13

Therefore,

The missing number, <em>n</em>, is 359.

8 0
2 years ago
Biologists often determine population density by capturing animals and marking them for later identification upon recapture. Thi
Oxana [17]

Answer:

only work if mice are recaptured in the same location using the same trapping methods.

Step-by-step explanation:

According to my research on studies conducted by Biology Professionals, I can say that based on the information provided within the question this will only work if mice are recaptured in the same location using the same trapping methods. Otherwise another method might cause the capture of other species and make the results invalid.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

4 0
2 years ago
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