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3 years ago

HI BOYS? SOPHOMORE???????????????????!!!

Mathematics

2 answers:

den301095 [7]3 years ago

7 0

Answer:

Step-by-step explanation:

This isn’t a dating app sorry hun

Greeley [361]3 years ago

7 0

No one:

Brainly: We’re tinder now

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Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution.

solniwko [45]

For this case we have to:

Let $u = x + 1$

So:

$u ^ 2-4u + 2 = 0$

We have the solution will be given by:

$u = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}$

Where:

$a = 1\\b = -4\\c = 2$

Substituting:

$u = \frac {- (- 4) \pm \sqrt {(- 4) ^ 2-4 (1) (2)}} {2 (1)}\\u = \frac {4 \pm \sqrt {16-8}} {2}\\u = \frac {4 \pm \sqrt {8}} {2}\\u = \frac {4 \pm \sqrt {2 ^ 2 * 2}} {2}\\u = \frac {4 \pm2 \sqrt {2}} {2}$

The solutions are:

$u_ {1} = \frac {4 + 2 \sqrt {2}} {2} = 2 + \sqrt {2}\\u_ {2} = \frac {4-2 \sqrt {2}} {2} = 2- \sqrt {2}$

Returning the change:

$2+ \sqrt {2} = x_ {1} +1\\x_ {1} = 1 + \sqrt {2}\\2- \sqrt {2} = x_ {2} +1\\x_ {2} = 1- \sqrt {2}$

Answer:

$x_ {1} = 1 + \sqrt {2}\\x_ {2} = 1- \sqrt {2}$

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3 years ago

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Write four numbers that fall between 0.123 and 0.124

irga5000 [103]

That's what I think but if im wrong im sorry:
0.123-0.1231,0.1232, 0.1233, 0.1234-0.124

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3 years ago

The table below shows the number of e-mails received each day by a

Romashka [77]

Answer:Wednesday I think

Step-by-step explanation:

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Complete the table of pork sandwiches to chicken

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Step-by-step explanation:

Pork sandwiches: 2 , 6 , 10 , 14

goes by 4

Chicken Sandwiches: 5 , 15 , 25 , 35

goes by 10

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3 years ago

What are the numbers of pi

gizmo_the_mogwai [7]

Answer: 3.14

Step-by-step explanation: it goes on forever but that is what most people use to calculate with

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