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Salsk061 [2.6K]
3 years ago
7

If the triangles are similar, what is the value of x?

Mathematics
1 answer:
Sav [38]3 years ago
4 0

Answer:

the answer to your question is D. d=54

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Use the quadratic formula to solve x2 + 2x - 120 = 0. Think about what other method could also be used to solve this equation. a
pshichka [43]

Answer:

x = 10 , -12

Step-by-step explanation:

Solution:-

- The given quadratic equation is to be solved using the quadratic formula. The general form of a quadratic equation is:

                           ax^2 + bx + c =0  

Where, [ a , b and c are constants ]

- The quadratic formula is given as:

                       

                           x = \frac{-b+/-\sqrt{b^2 - 4*a*c} }{2a}

- The given equation is:

                             x^2 + 2x - 120 = 0

Where, a = 1 , b = 2 , c = -120

- Solve using quadratic formula:

                       x = \frac{-2+/-\sqrt{2^2 - 4*1*(-120)} }{2*1}\\\\x = \frac{-2+/-\sqrt{4 + 480} }{2}\\\\x = \frac{-2+/-(22) }{2}\\\\\\x = 10 , -12    

7 0
3 years ago
Check all subsets the number belongs to:
Shkiper50 [21]

Answer:

integer natural and whole

Step-by-step explanation:

well oviously a integer because its a number and a natural i beleve because its not owned by any brakets such as a divide a multiply or a negitive so its naturalcand whole because ist a whole number and not split with fractions

8 0
3 years ago
BRAINLIEST!! <br><br> which table is a function
Margarita [4]
The answer is b because none of the numbers are repeating
6 0
3 years ago
Multiply (3x + 2)(4x ‐ 5)
Dmitry [639]
120x + 80

Have a nice day! Please give Brainliest! :3
8 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%203%20%5C%5C%20what%20%5C%3A%20is%20%5C%3A%20the%20%5C%3A%20domain%20%5C%3A%20a
Lisa [10]

Answer:

Domain: (-∞,∞)

Range: {3}

Step-by-step explanation:

The domain is the x-values of the function, and the range is the y value of the function.

F(x)=3 is really just a fancy way of saying y=3. The range is 3.

Since the function makes a horizontal line, the domain is ∞.

7 0
3 years ago
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