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3 years ago

Please help I’ll mark you as brainliest if correct

Mathematics

1 answer:

Alecsey [184]3 years ago

7 0

Answer:

153.94 is your answer.

Step-by-step explanation:

I believe it would be the last one, but let me explain. So to find the area of a circle with just the diameter, the formula would be 1 /4 π d2. Which is one fourth times pie, multiplied with the diameter to the second power. So if we put 14 in the equation would look like this 1/4*π*14*2. So if we use this formula, we get 153.94. Or something close to that. I hope this helps! Good luck!! ;)

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2 years ago

6C + 47M=893.50<br> 25C + 22M=527.86

Olenka [21]

Answer:

C = 4.94 M = 18.38

Step-by-step explanation:

the easiest way is to graph both equaitons and see where they intersect,

see the image

or solve by substitution

6C + 47M=893.50 C = (893.50 - 47M)/6

25C + 22M=527.86

25((893.50 - 47M)/6) + 22M = 527.86

25/6 [(893.50) - 47M] + 22M = 527.86

25/6 [ - 47M] + 22M = 527.86 - 25/6 [(893.50)

22M - 25(47M)/6 = -3195.06

22M - 195.83M = -3195.06

-173.83M = -3195.06

M = 18.38

C = (893.50 - 47(18.38)/6

C = 4.94

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Step-by-step explanation:

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Do it step by step
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