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alexira [117]
3 years ago
7

What is the area of the circle? *.

Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

19.63cm²

Step-by-step explanation:

1/4 x π x 5² = 19.63495cm²

                  = 19.63cm²

EastWind [94]3 years ago
6 0
The formula is pi times the radius squared (A = π r²).

So it might be 78.53
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blagie [28]
Step 1: Multiply 5x2 = 10 so the equation after the first step should look like this 10 + 12x + 8 = 0.

Step 2: Subtract 10 from the 8 and the number by itself cause whatever you do to one side you must do to the other. so the equation should look like this after the second step 12x + -2 = 0 because we subtracted the 10 and the 8.

Step 3: Now we must add the 2 to both sides because we have to do the inverse operation in this problem so once we've done this it should end up looking like this after the 3rd step 12x = 2 because the 2 was a negative.

Step 4: the final step we must divide since an anytime we have a number next to a variable it means multiply but since were using order of operations we have to do the opposite/inverse operation in this problem and we would divide 12 by 2 and get our final answer as x = -6 because the 12 would cancel itself out leaving us with 2 divided by 12 which is 0.16 or -6 depending on if you want it simplified or not the simplified answer would be 0.16 and the non simplified version would be -6
4 0
3 years ago
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3 out of every 5 students in Mrs. Wilson's class have brown eyes. There are 20 students in Mrs. Wilson's class. How many of the
Alex787 [66]

Answer:

12

Step-by-step explanation:

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<em>Hope I Helped You :)</em>

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2 years ago
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I think the answer is 31
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Dave makes 12 groups of 10 rocks and has none left over. How many rocks does Dave have?
zhannawk [14.2K]


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Step-by-step explanation:

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