3 years ago

I need help please help me

Mathematics

1 answer:

dem82 [27]3 years ago

6 0

Answer:

Option A is the answer

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What is the next term of the arithmetic sequence?<br> -8, -14, -20.–26,

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Answer:

-32

Step-by-step explanation:

Subtract 6 to get next term.

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PLEASE HELP I WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

marta [7]

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correct option is A

Step-by-step explanation:

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Cot^2x-tan^2x=1 for all values of x true or false?

Vsevolod [243]

False
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4 tens 19 tens 22 ones

Jlenok [28]

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Pivot the system about the element in row 2, column 1. (Enter the augmented matrix with all cells in their original position.)

Crazy boy [7]

Answer:

Step-by-step explanation:

pivoting means producing a unit column in matrices.

The aim is to make the elements above and below the pivot element o.

so we have;

$\left[\begin{array}{cccc}1&2&4&3\\2&8&6&4\\-1&4&2&3\end{array}\right]$

we will make the pivot element a unit element that is 1.

$\frac{1}{2}R_{2}$ → $\left[\begin{array}{cccc}1&2&4&3\\1&4&3&2\\-1&4&2&3\end{array}\right]$

next we perform the operation $R_{1}$ - $R_{2}$ then we have

$\left[\begin{array}{cccc}0&-2&1&1\\1&4&3&2\\-1&4&2&3\end{array}\right]$

next we also perform the operation $R_{3} + R_{2}$ thus we have

$\left[\begin{array}{cccc}0&-2&1&1\\1&4&3&2\\0&8&5&5\end{array}\right]$

4 0

3 years ago

I need help please help me ​

I need help please help me