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sesenic [268]
2 years ago
7

Find the length of side x to the nearest tenth

Mathematics
1 answer:
dangina [55]2 years ago
3 0

Answer:

9√3

Step-by-step explanation:

In a 30-60-90 triangle, where the short leg is a, the long leg is a times √3. Since the short leg is 9, the long leg is 9√3.

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In centimeters, what is the unknown length in this right triangle
Ilya [14]

Answer:

11

Explanation:

(next time, it would be helpful to include a picture)

If you were on the same test as I was, than that means that the triangle you're looking for is the one below.

Using the Pythagorean Theorem,

a² + b² = c² is the same as c² - b² = a²

c = 61

61^2 =  61 X 61 = 3,721  

b = 60

60^2 = 60 X 60 =  3,600  

Next, we subtract:

3,721 - 3,600 = 121  

√121 = 11

(x = 11 cm)

so 11 is your answer

3 0
3 years ago
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What is 25,000,000 x 25,0000 = what
romanna [79]

Answer: 6.25^12

Step-by-step explanation:

5 0
3 years ago
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Simplify. 5(x - y) - (x - y) <br> a. x - y <br> b. x y <br> c. 4x - 4y <br> d. 4x 4y
chubhunter [2.5K]
C is the answer hope this helps. 
5 0
3 years ago
Follow the process of completing the square to solve 2x2 + 8x - 12 = 0.
Rom4ik [11]
Please:  Use "^" to denote exponentiation:  <span>2x^2 + 8x - 12 = 0

Reduce this by div. every term by 2:             </span><span>x^2 + 4x - 6 = 0

Here a=1, b=4 and c = -6.  Square half of b, obtaining (4/2)^2 = 4, and add, and then subtract, this 4 to x^2 + 4x - 6:

</span> x^2 + 4x +4  - 4 - 6 = 0.  Rewrite the square as (x+2)^2, obtaining new equation

(x+2)^2 = 10.  Take the sqrt of both sides:   x+2 = plus or minus sqrt(10).

Finally, solve for x:  x = -2 plus or minus sqrt(10).



8 0
3 years ago
Which angle measures create a triangle with three different side lengths. 40°, 40°, and 100° 65°, 65°, and 65° 45°, 45°, and 90°
Gala2k [10]

Answer:

  29°, 58°, and 93°

Step-by-step explanation:

If the angles opposite are equal, the sides are equal. In order to have three different side lengths, you must have <em>three different angles</em>.

8 0
3 years ago
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