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3 years ago

What is the nth term rule of the quadratic sequence below? −8,−8,−6,−2,4,12,22

Mathematics

1 answer:

NeX [460]3 years ago

3 0

Answer:

n^2 - 3x-6

Step-by-step explanation:

using the rules

3a+b

and

a+b+c

the answer is n^2-3x-6

Im sorry I cannot show the table I used because this text thing doesnt allow it

I hope it helps :)

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Which set represents the zeros of the function f(x) = 7x2 – 28x + 21?

Fantom [35]

Answer:

change f(x) to 0 than 7*2x=14x

0=14x-28x+21

0=-14x+21

-21=-14x

x=3/2

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3 years ago

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omeli [17]

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2 years ago

Please help me solve this question will give you braisnlt !

DIA [1.3K]

Answer:

$s = 54m +160$

Step-by-step explanation:

Given: The attachment

Required: Determine the equation

We start by picking any two equivalent points on the table:

$(m_1,s_1) = (2,268)$

$(m_2,s_2) = (4,376)$

Next, we determine the slope, M:

$M = \frac{s_2 - s_1}{m_2 - m_1}$

$M = \frac{376 - 268}{4-2}$

$M = \frac{108}{2}$

$M = 54$

The equation is then calculated as:

$s - s_1 = M(m - m_1)$

Where:

$M = 54$

$(m_1,s_1) = (2,268)$

So, we have:

$s - 268 = 54(m - 2)$

Open bracket

$s - 268 = 54m - 108$

Collect like terms

$s = 54m - 108 + 268$

$s = 54m +160$

Hence, the equation is: $s = 54m +160$

6 0

3 years ago

It was recently estimated that homes without children outnumber homes with children by about 8 to 7. If there are 3870 homes in

damaskus [11]

Answer: x = 2,340 homes without children

There are 2,340 homes without children.

Step-by-step explanation:

'x' represent the number of homes without children

'y' represent the number of homes with children

x : y = 9 : 7

Since the total number of homes is 4160 means x + y = 4160.

From x + y = 4160 follows y = 4160 - x.

Plug y = 4160 - x into x : y = 9 : 7

x : (4160 - x) = 9 : 7

4 0

3 years ago