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3 years ago

you need a piece of paper to measure 64.25 cm. if u tape two together that each measure 38.4 cm, how much do u need to cut off?

Mathematics

1 answer:

grandymaker [24]3 years ago

4 1

Answer:

Already answered brainly.com/question/369421

Step-by-step explanation:

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USPshnik [31]

Answer:

YAY!

Step-by-step explanation:

Happy Friday! :)!

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Korolek [52]

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2 years ago

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slega [8]

Answer:

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Step-by-step explanation:

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2 years ago

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7.<br>(-3x³)(-2x³y⁴z)(-3z²)÷(4x³z)(-3yz) (-3xyz)

serg [7]

Answer:

$-\frac{x^2y^2}{2}$

Step-by-step explanation:

We have an extremely large equation and are asked to divide it, so let's solve it step-by-step :

Remove the parenthesis to make it easier to read :

$\frac{-3x^3 *2x^3y^4z *3z^2}{4x^3z*3yz*3xyz}$

Multiply the numerators :

$\frac{-18x^6y^4z^3}{4*3*3x^3yyzzz}$

Multiply the denominators :

$\frac{-18x^6y^4z^3}{36x^4y^2z^3}$

Apply the negative rule :

$-\frac{18x^6y^4z^3}{36x^4y^2z^3}$

Cancel the common factor which is 18 :

$-\frac{x^6y^4z^3}{2x^4y^2z^3}$

Apply the addition exponent rule :

$\frac{y^4z^3x^{6-4} }{2y^2z^3}$

Subtract :

$\frac{x^2y^4z^3 }{2y^2z^3}$

Apply the rule for y :

$\frac{x^2y^{4-2} z^3 }{2z^3}$

Subtract :

$\frac{x^2y^2z^3 }{2z^3}$

Cancel the common factor of z^3 :

$-\frac{x^2y^2}{2}$

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3 years ago

Calculate the values of the expression below 2 ( 3 (5 + 2) -1)<br>

Otrada [13]

Answer:

= 40

Step-by-step explanation:

2 ( 3 (5 + 2) -1)

= 2 * 20

= 40

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3 years ago

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