2 years ago

Solve the inequality |4x+2|<26

Mathematics

1 answer:

miv72 [106K]2 years ago

7 0

Answer:

-7<x<6

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variables

Mark me brainliest please!

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tatyana61 [14]

Answer:

$19,260

Step-by-step explanation:

6,000 * 7% = 420

6,000 + 420 = 6,420

6,420 * 3 = 19,260

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3 years ago

Select the correct answer.

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3 years ago

Let X and Y be the following sets: X={0,12,23} Y={3,12,15} Which of the following is the set X \ Y?

Digiron [165]

Answer:

Step-by-step explanation:

X={0,12,23}

Y={3,12,15}

X \ Y = { 0 , 23}

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3 years ago

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timurjin [86]

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3 years ago

Solve by completing a square r^2-8r+9

Tanzania [10]

Solving $r^2-8r+9$ by completing a square gives $(r+4)^2-7$

Step-by-step explanation:

We need to solve the equation $r^2-8r+9$ by completing a square

The completing a square method requires: $a^2\pm 2ab +b^2=(a\pm b)^2$

Solving:

$r^2-8r+9\\=(r)^2-2(r)(?)+(?)^2+9$

We need to add and subtract (4)^2=16 to make the equation a complete square

$=(r)^2-2(r)(4)+(4)^2-(4)^2+9\\=(r)^2-2(r)(4)+(4)^2-16+9\\=(r)^2-2(r)(4)+(4)^2-7\\=(r+4)^2-7$

So, Solving $r^2-8r+9$ by completing a square gives $(r+4)^2-7$

Keywords: Solve by completing a square

Learn more about Solve by completing a square at:

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7 0

2 years ago