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Mama L [17]
3 years ago
6

Gabrielle is 14 years younger than mikhail. the sum of their ages is 26 . what is mikhail's age?

Mathematics
1 answer:
Alex787 [66]3 years ago
3 0
X=mikhail

x+x-14=26 》2x=40 》x=20
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PLEASE HELP<br> what is 30th term of -12, -3, 6, 15
hoa [83]

Answer:

249

Step-by-step explanation:

We can see that the difference of every term in the given sequence is 9, because -12 + 9 = -3, -3 + 9 = 6 and 6 + 9 = 15. We may therefore assume that the sequence is <em>arithmetic </em>(a fancy word of saying that a sequence is increasing with a constant value every term).

Since the difference of every term is 9, we know that the explicit form of the sequence (where the value of every term is expressed in terms of the term number) is in the form 9n+c, where n is the term number and c is a constant we are going to figure out right now.

We know that the first term of the sequence is -12, so we see that9(1) + c = -12 and hence c=-21. Therefore, the 30th term of the sequence is 9(30) - 21 = 249.

5 0
3 years ago
The inverse of a function is a function.
Olin [163]

Answer:

The answer is "sometimes"

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Use the definition of continuity and the properties of limits to show that the function f(x)=x sqrtx/(x-6)^2 is continuous at x
qaws [65]

Answer:

The function is  continuous at  x = 36

Step-by-step explanation:

From the question we are told that

      The  function is f(x)  =  x *  \sqrt{ \frac{x}{ (x-6) ^2 }  }  

       The  point at which continuity is tested is  x =  1

Now from the definition  of continuity ,

   At function is continuous at  k if  only  

       \lim_{x \to k}f(x)  =  f(k)

So

      \lim_{x \to 36}f(x)  =  \lim_{n \to 36}[x *  \sqrt{ \frac{x}{ (x-6) ^2 }  }]

                            = 36 *  \sqrt{ \frac{36}{ (36-6) ^2 }  }

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Now  

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     f(36) = 7.2

So  the given function is continuous at  x =  36

because

          \lim_{x \to 36}f(x)  =  f(36)

7 0
3 years ago
What is the sin, cos, and tan of -495 degrees, and -20π/3  ??
Diano4ka-milaya [45]
Sin-495 = 0.98
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tan-495 = 4.95

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cos<span>-20π/3</span> = 0.3
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7 0
3 years ago
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Afina-wow [57]
What graph? Show me in the comments if you can.
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