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zzz [600]
3 years ago
10

Anyone know how to do this

Mathematics
2 answers:
Vadim26 [7]3 years ago
7 0

Answer:

30 cm

Step-by-step explanation:

Since the length of tangents drawn from a point are equal, the perimeter is 3+3+9+9+3+3=30

alex41 [277]3 years ago
6 0

Answer:

30 centimeter

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Which property of equality would be used to solve 3x= 81?
Inga [223]

Answer:

divison

Step-by-step explanation:

3x=81

3x/3=81/3

6 0
2 years ago
HELP?!? idk what im doing and nobody has asked this. will give brainliest answrr or whatever its called.
Illusion [34]

9514 1404 393

Answer:

  \textbf{A.   }x=\dfrac{-4\pm2\sqrt{13}}{3}

Step-by-step explanation:

First of all, subtract 12 from both sides of the equation to put it into standard form:

  3x² +8x -12 = 0

Then identify the a, b, c of this form:

  ax² +bx +c = 0

You see that a=3, b=8, c=-12.

Now use those values in the quadratic formula for the solutions:

  x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\dfrac{-8\pm\sqrt{8^2-4(3)(-12)}}{2(3)}\\\\x=\dfrac{-8\pm\sqrt{208}}{6}=\dfrac{-8\pm4\sqrt{13}}{6}\\\\\boxed{x=\dfrac{-4\pm2\sqrt{13}}{3}}\qquad\text{factor 2 from numerator and denominator}

6 0
3 years ago
Help asap serious sh*t only dont be a bi*** ​
STALIN [3.7K]

Answer:

add them.. they litterly gave you the area for both shapes which is 36 ft^2

Step-by-step explanation:

6 0
2 years ago
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If x represents the amount Rita earns each week, which expression represents the amount she earns in a year?
Sphinxa [80]
There are 52 weeks in a year, so 52x represents how much she earns in a year.
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3 years ago
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Simplify x + 6.2 + 8.5.<br><br> 6.2x + 8.5<br> x + 14.7<br> 14.7x
Sunny_sXe [5.5K]

Answer:

x + 14.7

Step-by-step explanation:

x + 6.2 + 8.5.

Combine like terms

x + 14.7

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3 years ago
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