3 years ago

After dividing a piece of wood into four equal sections,each section is 4 in.long.How long was the piece of wood I started with

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

5 0

I'm going to out on a limb and say 16 in.

4 pieces * 4 in. = 16

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What is x squared minus 18x equal to negative 32

lisabon 2012 [21]

Answer:

x=16

x=2

Step-by-step explanation:

$x^2-18x=-32\\x^2-18x+32=0\\(x-16)(x-2)=0\\\\x-16=0\\x=16\\\\x-2=0\\x=2$

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2 years ago

Solve the inequality and graph the solution |7x-7|+2<23

Naya [18.7K]

$|7x-7|+2 < 23\ \ \ \ \ |-2\\\\|7x-7| < 21\iff7x-7 < 21\ \wedge\ 7x+7 > -21\ \ \ \ \ \ |+7\\\\7x < 28\ \wedge\ 7x > -14\ \ \ \ \ \ \ |:7\\\\x < 4\ \wedge\ x > -2\\\\-2 < x < 4$

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2 years ago

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RoseWind [281]

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3 years ago

Solve -4 < 3x+2<5.

denis-greek [22]

The answer choice which represents the solution to the inequality as given in the task content is; x>-2 or x≤ 1.

<h3>What is the solution of the give complex inequality?</h3>

On this note, it follows that the inequalities can be solved individually as follows;

-4 < 3x +2

-6 < 3x

x > -2

Also, 3x +2 ≤ 5

3x ≤ 3

x ≤ 1.

Ultimately, the correct answer choice is; Choice C; x>-2 or x≤ 1.