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3 years ago

What is the perimeter of a polygon with vertices at (3, 2) , (3, 9) , (7, 12) , (11, 9) , and (11, 2) ?

Mathematics

1 answer:

Vaselesa [24]3 years ago

4 0

Answer:

the answer is 32 units.

Step-by-step explanation:

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What’s the value of x? y= 5x + 9 y= -x + 3

ser-zykov [4K]

Answer:

x=-1 y=4 (-1,4)

Step-by-step explanation:

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3 years ago

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Verify that triangle ABC is equal to DEF . Find the scale factor of triangle ABC to triangle DEF

alexira [117]

Answer:

k = 6 : 5 : 4

Step-by-step explanation:

BC : AB : AC = 18 : 15 : 12 = 6 : 5 : 4

EF : DE : DF = 12 : 10 : 8 = 6 : 5 : 4

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2 years ago

What is x/9 = 9/27 help plz

Irina18 [472]

<h3>QUESTION: </h3>

what is x/9 = 9/27 help plz

<h3>ANSWER AND SOLUTION: </h3>

SOLVING FOR X

Reduce first the fraction with 9

$\large \sf = \dfrac{x}{9} = \dfrac{ \cancel9}{ \cancel{27}}$

 $\large \sf = \dfrac{x}{9} = \dfrac{1}{3}$ 

Now simplify using cross-multiply

 $\large \sf = \dfrac{3x}{9} = 1$ 

 $\large \sf = 3x = 1 \times 9$ 

 $\large \sf = 3x = 9$ 

Lastly divide both sides

 $\large \sf = 3x \div 3 = 9 \div 3$ 

 $\large \sf = x = 9 \div 3$ 

 $\large \sf = x = 3$ 

<h3>FINAL ANSWER:</h3>

$\huge \orange{ \underline{ \boxed{ \sf{x = 3}}}}$

HOPE THIS HELP YOU! HAVE A NICE DAY!

~kimtaetae92~

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2 years ago

Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

lora16 [44]

$a_{1}=-2 \\ \\ a_{2}=8 \\ \\ q= \frac{a_{2}}{a_{1}} \\ \\ q= \frac{8}{-2}=-4 \\ \\ a_{n}=a_{1}*q^{n-1} \\ \\ a_{n}=-2*-4^{n-1}$

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2 years ago

I need to know unknown value 9 is 25 % of what number

Readme [11.4K]

25% = 1/4

So to get the unknown number, multiply 9 by 4:

9 × 4 = 36

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3 years ago

What is the perimeter of a polygon with vertices at ​ (3, 2) ​, ​ ​ (3, 9) ​​, (7, 12) , ​ (11, 9) ​​, and ​​ ​ (11, 2) ​?

What is the perimeter of a polygon with vertices at (3, 2) , (3, 9) , (7, 12) , (11, 9) , and (11, 2) ?