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ioda
3 years ago
14

Find the length of the missing side of the right triangle. 19 a 15.2​

Mathematics
1 answer:
diamong [38]3 years ago
8 0

The length of the missing side of the triangle is 129.96

<h3>Right angle triangle</h3>

Right angle triangle are triangle that has one of its sides as 90 degrees. The sides can be found using Pythagoras theorem. Therefore,

c² = a² + b²

where

c = hypotenuse

a and b are the other legs.

Therefore,

19² - 15.2² = a²

a = 361 - 231.04

a = 129.96

learn more on right triangle here: brainly.com/question/20795478

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Which of the following statements is true?
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Question

Which of the following statements is true?

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D. the segment bisects segment EC

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Hope this helps!

6 0
3 years ago
Please find the answer , it is a very importatnt question
Anna [14]

Step-by-step explanation:

The given expression is :

\dfrac{2-\sqrt5}{2+3\sqrt5}=\sqrt5 x+y ....(1)

Taking LHS of the above expression

\dfrac{2-\sqrt5}{2+3\sqrt5}

Rationalizing both denominator and numerator.

\dfrac{2-\sqrt5}{2+3\sqrt5}\times \dfrac{2-3\sqrt5}{2-3\sqrt5}=\dfrac{4-6\sqrt5-2\sqrt5+15}{2^2-(3\sqrt5)^2}\\\\=\dfrac{19-8\sqrt5}{4-45}\\\\=\dfrac{19-8\sqrt5}{-41}\\\\=\dfrac{\sqrt5 \times 8}{41}+(\dfrac{-19}{41})

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7 0
3 years ago
A bag contains green marbles and blue marbles,
dexar [7]

There are 13 green marbles in the bag.

Step-by-step explanation:

Total marbles = 18

Let,

Green marbles = x

Blue marbles = y

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Putting value of x from Eqn 1 in Eqn 2;

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Dividing both sides by 4

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Putting y=5 in Eqn 1

x=3(5)-2\\x=15-2\\x=13

There are 13 green marbles in the bag.

Keywords: linear equation, substitution method

Learn more about linear equations at:

  • brainly.com/question/8054589
  • brainly.com/question/7932185

#LearnwithBrainly

8 0
4 years ago
Area = 78.5 ft squared. Find the diameter, and round it to the nearest tenth.​
Andreas93 [3]

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