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Likurg_2 [28]
3 years ago
13

YOOOO NEED HELP ASAP !!! GIVIN BRAINIEST

Mathematics
1 answer:
artcher [175]3 years ago
5 0

Answer:

Correct answer is: f(1) = - 21 ,  f(n) = - 3 · f(n -1)

Step-by-step explanation:

Given geometric sequence:  -21, 63, -189, 567,.........................

Formula for n-th term or a₍ₙ₎ = f(n) = a₁ · q ⁽ⁿ⁻¹⁾  where a₁ is first term and q is quotient (ratio). Formula for (n-1) th term or a₍ₙ₋₁₎ = f(n-1) = a₁ · q ⁽ⁿ⁻²⁾

In this case a₁ = -21 and q = -3

a₍₁₎ = f(1) = -21 · (-3)⁽¹⁻¹⁾ = -21 · (-3)⁰ = -21

f(n) = q¹ · f(n - 1) = q¹ · a₁ q ⁽ⁿ⁻²⁾ = a₁ · q ⁽ⁿ⁻¹⁾ = f(n)

In this case q = -3

f(n) = -3 · f(n -1)

God with you!!!

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The equation of the quadratic function is f(x) = x²+ 2/3x - 1/9

<h3>How to determine the quadratic equation?</h3>

From the question, the given parameters are:

Roots = (-1 - √2)/3 and (-1 + √2)/3

The quadratic equation is then calculated as

f(x) = The products of (x - roots)

Substitute the known values in the above equation

So, we have the following equation

f(x) = (x - \frac{-1-\sqrt{2}}{3})(x - \frac{-1+\sqrt{2}}{3})

This gives

f(x) = (x + \frac{1+\sqrt{2}}{3})(x + \frac{1-\sqrt{2}}{3})

Evaluate the products

f(x) = (x^2 + \frac{1+\sqrt{2}}{3}x + \frac{1-\sqrt{2}}{3}x + (\frac{1-\sqrt{2}}{3})(\frac{1+\sqrt{2}}{3})

Evaluate the like terms

f(x) = x^2 + \frac{2}{3}x - \frac{1}{9}

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f(x) = x²+ 2/3x - 1/9

Read more about quadratic equations at

brainly.com/question/1214333

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7 0
1 year ago
Winning the jackpot in a particular lottery requires that you select the correct five numbers between 1 and 34 ​and, in a separa
Marina CMI [18]
<h3>The probability of winning the lottery is \frac{1}{10,295,472}</h3>

Step-by-step explanation:

Here, the total numbers in the jackpot = 1 to 34

Now, the number that needed to be drawn = 5

The number of ways , 5 number can be drawn from total 34 numbers :

^{34} C _5 =   \frac{34!}{5!(34-5)!}    = 278,256

Also, in separate draw, the correct number drawn  = 1

So, the number of ways that can be done  =  30 C 5 x  37  

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Now, P(win)   =  \frac{\textrm{Total favorable attempts}}{\textrm{Total attempts}}  = \frac{1}{10,295,472}

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3 years ago
What is the average rate of change of the line whose equation is:
dedylja [7]

Answer:

Rate of change = -12

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y − 3 = −12(x + 4)

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y - 3 = -12x - 48

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y = -12x - 45

Now, formula for rate of change is;

Rate of change = (y(x + h) - y)/h

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This gives;

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Gennadij [26K]

Answer:  The answer is Yes.


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From second law of motion, we have

Weight = mass × acceleration due to gravity.

That is, W = m × 9.8 m/sec².

The unit of mass is kilogram and 1 kg m/sec² = 1 Newton. Therefore, the unit of the weight we generally measure is Newton (N), not kilogram. Here is what we make mistake usually.

Thus, if Michael' mass is 8 kg, then his weight will be

W = 8 × 9.8 kg m/sec² = 78.4 N, which is normal weight of a person.

Thus, his estimation is perfectly OK.


8 0
3 years ago
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