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Kisachek [45]
2 years ago
14

The triangle and rectangle have the same perimeter.find the value of x.

Mathematics
1 answer:
sesenic [268]2 years ago
5 0

Answer:

x + 5  \:  +  \: x \:  + 6 \:  + x + 7 = 2x - 1 + x + 7 + x + 7 + 2x - 1

3x + 18 = 6x + 12

18 = 3x + 12

6 = 3x

x = 6 \div 3 = 2

x = 2

<h2>I hope this helps you !! </h2>

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ANSWER QUICKLY!!!!!!
SVEN [57.7K]

Answer:

It's A

Step-by-step explanation:

7 0
3 years ago
Given that f(x) = 13x2 + 156, find x. A) x = ±2i 3 B) x = ±2i 6 C) x = ±3i 5 D) x = ±3i 6
mamaluj [8]

Answer:

  A)  x = ±2i√3

Step-by-step explanation:

We presume you want to find x such that f(x) = 0.

Divide by 13:

  x² + 12 = 0

Subtract 12:

  x² = -12

Take the square root:

  x = ±i√12 = ±2i√3

3 0
3 years ago
Can the sides of a triangle be in the given ratio? 3:4:5
RUDIKE [14]

Answer:

Yes

Step-by-step explanation:

In order to determine if a triple of values will form a triangle, we must apply the Triangle Inequality Theorem, which states that for a triangle with lengths a, b, and c:

a + b > c

a + c > b

b + c > a

Here, let's suppose that since the ratio of the sides is 3 : 4 : 5, then let the actual side lengths be 3x, 4x, and 5x, where x is simply a real value.

With loss of generality, set a = 3x, b = 4x, and c = 5x. Plug these into the Triangle Inequality to check:

a + b > c  ⇒  3x + 4x  >?  5x  ⇒  7x > 5x  ⇒  This is true

a + c > b  ⇒  3x + 5x  >?  4x  ⇒  8x > 4x  ⇒  This is also true

b + c > a  ⇒  4x + 5x  >?  3x  ⇒  9x > 3x  ⇒  This is true

Since all three conditions are satisfied, we know that a true triangle can be formed given that the ratio of their sides is 3 : 4 : 5.

<em>~ an aesthetics lover</em>

5 0
3 years ago
Read 2 more answers
Eight chairs weigh 56 pounds. How much do 5 chairs weigh?
Leokris [45]
The answer is 35 pounds because,
56 / 8=7 so 5x 7 =35 pounds
7 0
3 years ago
Read 2 more answers
(SAT Prep) Find the value of x.<br> X<br> 125°<br> 115°
Ymorist [56]
<h3>Answer : 60°</h3>

<h3>Way to do </h3>

#look pic for detailed info

180° - 125° = 55°

180° - 115° = 65°

180° - 55° - 65° = 60°

180° - 60° = 120°

180° - 120° = 60°

3 0
2 years ago
Read 2 more answers
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