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lesya [120]
4 years ago
9

Use a geometric formula to solve the problem. a square has an area of 81 square meters. find the side length.

Mathematics
1 answer:
Yanka [14]4 years ago
4 0
Answer: 9 meters

To answer this question you need to know the formula to calculate the area of a square. Square has same side length so the area is: length x length.
Then the calculation would be:

Area= length x length
81m2= length x length
Length ^2= 81 m2
Lengtj= <span>√81 m2</span> 
Length= 9 meters
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3p+6<br> Which phrase represents the algebraic expression 7p-9?
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Answer:

The answer is the sum of three times a number and six, divided by the difference of seven times the number and nine

Step-by-step explanation:

3p = three x a number

7p = seven x a number

3p+6 = sum of three x a number plus six

7p-9 = difference of seven x the number minus nine

(3p+6)/(7p-9) = sum of three times x number plus six, divided by the difference of seven x the number - nine

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3 years ago
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Julli [10]
I assume that this is correct

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4 years ago
Angle ABC and Angle DBE are vertical angles. Angle ABC measures (7x - 5) degrees and Angle DBE measures -2(x - 11) degrees. What
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3 years ago
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timama [110]

Answer:

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Step-by-step explanation:

You mean, "determine the value of (f/g)(x) at x = -5."

That would be:

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------- = ------------   and we now substitute -5 for x:

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