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3 years ago

What is the variable x

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

3 0

X =3 hope it helps..................................

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Suppose you have the following recursion formula a1 = 1, a2 = 2, and an = a(n - 1)+ a(n - 2) for integers n ≥ 3. How would you d

Firlakuza [10]

$\left\{\begin{array}{ccc}a_1=1\\a_2=2\\a_n=a_{n-1}+a_{n-2}&for\ n\geq3\end{array}\right\\\\a_3=a_{3-1}+a_{3-2}=a_2+a_1\to a_3=2+1=3\\\\a_4=a_{4-1}+a_{4-2}=a_3+a_2\to a_4=3+2=5\\\\a_5=a_{5-1}+a_{5-2}=a_4+a_3\to a_5=5+3=8\\\vdots$

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3 years ago

Need help on this one please

Archy [21]

The answer is A because there are only acute angles

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3 years ago

Use the table below to fill in missing values.

aliina [53]

Step-by-step explanation:

We can observe from the table that the value of independent variable and then the values of function on that variable are given.

So,

As the value of function at x=5 is 6

The value of function is 4 only on x=7 so the answer is x = 7

When the inverse is taken, the inputs become output and the outputs become inputs

$f^{-1}(6) = 5$

The value of inverse will be 5 because in original function 5 is input and 6 is output when this will be reversed for inverse, the output will be 5 for 6

Now,

Lastly

$if\ f^{-1}(x) = 7,\ then \x = 4$

The reverse rule of input and output will be used. The reverse function will generate 7 at input 4.

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3 years ago

A circle is cut from a square piece of cloth, as shown.

ziro4ka [17]

Answer:

area of a circle= πr²

= 3.14×18×18×

=1017.36 in²

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3 years ago

Without using a calculator, choose the statement that best describes the value of \sqrt{10}

Veronika [31]

Answer:

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3 years ago