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Brilliant_brown [7]
3 years ago
7

Determine perimeter

Mathematics
2 answers:
jeka943 years ago
8 0

Answer:

20cm

Step-by-step explanation:

7.2 + 7.2 + 2.8 + 2.8 = 20

iris [78.8K]3 years ago
4 0

Each side of the rectangle is equal to the side opposite from it. That means you have 2 sides of 7.2 cm and 2 sides of 2.8 cm.

To find perimeter, you add all the sides. So that's 7.2 + 7.2 + 2.8 + 2.8, which is 20 cm altogether.

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If the hypotenuse of a right triangle is 2 <img src="https://tex.z-dn.net/?f=%5Csqrt%7B3%7D" id="TexFormula1" title="\sqrt{3}" a
Svetradugi [14.3K]

Answer:

3

Step-by-step explanation:

a = the other leg:

a^{2} =(2\sqrt{3} )^{2} -(\sqrt{3}) ^{2} =(4)(3)-3=12-3

a^{2} =9

a=\sqrt{9}

a=3

Hope this helps

5 0
1 year ago
Help me plzz!!!!!!!!!!!!!!!!!!!!!!!!!!
NemiM [27]

9514 1404 393

Answer:

  162 degrees

Step-by-step explanation:

Angles P and F are supplementary, so ...

  3x^2 +12x = 180

  x^2 +4x = 60

  x^2 +4x -60 = 0

  (x +10)(x -6) = 0

The useful value of x that makes this true is x=6.

The measure of angle Q is 3x, so is 3·6 = 18 degrees. The measure of angle S is the supplement to that:

  ∠S = 180° -18° = 162°

5 0
3 years ago
Covert 4,400 centimeters to meters
patriot [66]

Answer:

44 meters

Step-by-step explanation:

4400 cm                 1m

-----------   times  --------

m                       100 cm      

4400/100

44 meters

6 0
2 years ago
Read 2 more answers
What is the solution to the inequality-8y≤16​
MatroZZZ [7]
The answer is y ≥-2
6 0
2 years ago
Read 2 more answers
Is 0.144 rational or irrational ?
madam [21]
Irrational numbers can be written as decimals but not as fractions.

0.144 is a decimal, but it can also be written as 18/125. So this is a rational number.

√0.144 is equal to 0.3794733192. It cannot be expressed into a fraction. So, this is an irrational number.

√0.0144 is equal to 3/25. So, this is a rational number.

I hope I was able to help you. Have a good day.
4 0
3 years ago
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