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garik1379 [7]
3 years ago
15

Find x. Simplify completely.

Mathematics
1 answer:
Lilit [14]3 years ago
4 0

Step-by-step explanation:

Answer is 20.

Please use paythagoras theorem in every triangles.

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If x = 5, then which inequality is true?
barxatty [35]

Answer:

B

Step-by-step explanation:

cause when we substitute 5 in the equation we get 3<7which is true.

7 0
3 years ago
O 12 units<br> O 15 units<br> O 20 units<br> O 25 units
nadezda [96]

Answer:

12 units

Step-by-step explanation:

Because the two triangles are similar:

\dfrac{x}{9}=\dfrac{16}{x} \\\\\\\dfrac{x^2}{9}=16 \\\\\\x^2=144 \\\\\\x=12

Hope this helps!

3 0
3 years ago
What is the approximate solution to this equation?
Citrus2011 [14]
The answer is B because 5^3 is 125 so the approximate answer is 124.75
6 0
3 years ago
Read 2 more answers
Solve the system 2x-2y=10 4x-5y=17
stiv31 [10]
Multiply 2x-2y=10 by 2,
4x-4y=20,
given:4x-5y=17
y=3
pluck it in
2x-6=10
move the 6 to the right
2x=16
divide
x=8
y=3
8 0
3 years ago
Read 2 more answers
Solve for x if the Perimeter = 26<br> 14-2x<br> 2x + 1<br> 3x - 1
sergejj [24]

Answer:

x = 4

Step-by-step explanation:

<em>Perimeter of triangle = sum of all sides</em>

Side 1: 14 - 2x

Side 2: 3x - 1

Side 3: 2x + 1

<em>Perimeter= side 1 + side 2 + side 3</em>

26 = 14 - 2x + 3x - 1 + 2x + 1

26 = 14 - 1 + 1 - 2x + 3x + 2x

26 = 14 + 3x

3x = 12

x = 12/3

x = 4

!!

3 0
3 years ago
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