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CaHeK987 [17]
3 years ago
7

The perimeter of a regular heptagon is 21 m. How long is each side?

Mathematics
2 answers:
Pepsi [2]3 years ago
3 0

Answer:

3m

Step-by-step explanation:

A heptagon has 7 sides so 21÷7=3m

GREYUIT [131]3 years ago
3 0

Answer:

3m

Step-by-step explanation:

3m X 7 is 21m

make me brainlist.

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Step-by-step explanation:

If the die has 6 sides, this will be 10 or under, but there are 2160 ways this can happen

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3 years ago
Which function below is the inverse of f(x) = X2 - 25?
viva [34]

Answer: f^{-1}(x)=  \sqrt{x+25} and f^{-1}(x)= - \sqrt{x+25}

Step-by-step explanation:

   To find the inverse, we will set f(x) equal to y, swap the x and y values, and then solve for y.

   Given:

f(x) = x² - 25

   Equal to y:

y = x² - 25

   Swamp x and y values:

x = y² - 25

   Add 25 to both sides of the equation:

y² = x + 25

   Square root both sides of the equation:

y=  \sqrt{x+25} and y=  -\sqrt{x+25}

   Interval notation:

f^{-1}(x)=  \sqrt{x+25},\text{and}\;f^{-1}(x)=  -\sqrt{x+25}

8 0
1 year ago
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Due soon. Help!! Can somebody answer these 2 problems, please?
Licemer1 [7]

Answer:

2. x + 98 + 50 = 180

3. x = 32°

Step-by-step explanation:

<em>hey there,</em>

< 2. We know that there are 180 degrees in every triangle, and every triangle has only 3 angles. So when you add up those 3 angles, it will ALWAYS equal 180! And since we do not know one of the angles, we will just put the value of that angle as "x" into the equation.

3. Here, you should be able to find x! x = (180-(98+50)) = 32

The final answer is 32 degrees. >

<u>Hope this helped! Feel free to ask anything else.</u>

7 0
4 years ago
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Answer:

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Step-by-step explanation:

All you need do is list the corresponding sides.

PQ = AB Both are marked with a ||

RQ = AC Both are marked with a single line.

PR = BC  Both are marked with a triple line |||

So the triangles are equal by SSS but there are other ways to do this.

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cluponka [151]

Answer:

The answer is D.

Step-by-step explanation:

Also if you get more equations like this, I recommend using Desmos Graphing Calculator.

3 0
3 years ago
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