1 year ago

2 3/4 divided by ( -1 2/3

Mathematics

1 answer:

Cloud [144]1 year ago

8 0

Step-by-step explanation:

I hope this helps.......

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The length of a bridge is 190 m. The length of each of Robert's paces is 80 cm.

ohaa [14]

Answer:

Step-by-step explanation:

Length of the bridge = 190 m = 190*100 = 19000 cm {100cm = 1m}

Length of each pace of Robert = 80 cm

Minimum number of full paces = 19000/80

= 237.5

= 238 {because full paces}

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2 years ago

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How do i simplify this 16x–18x–10

lorasvet [3.4K]

Answer:

-2x -10

Step-by-step explanation:

16x–18x–10

Combine like terms

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2 years ago

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Westkost [7]

Step-by-step explanation:

A is in Quadrant I

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3 years ago

Simplify the polynomial. Then find its value for the given value of the variable.

vekshin1

Answer:

Step-by-step explanation:

Simplified expression:

$3x^3 -x^3 +5x^3-9x^3$

$2x^3 +5x^3-9x^3$

$7x^3 -9x^3$

$-2x^3$

If x = -1, the value of the expression is:

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Hope this helps!

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2 years ago

What is the factored form of 64g^3+8

vivado [14]

$\bf \textit{difference and sum of cubes}
\\\\
a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad
(a+b)(a^2-ab+b^2)= a^3+b^3 
\\\\
a^3-b^3 = (a-b)(a^2+ab+b^2)\qquad
(a-b)(a^2+ab+b^2)= a^3-b^3\\\\
-------------------------------\\\\
64g^3+8\implies 4^3g^3+8\implies (4g)^3+2^3
\\\\\\
(4g+2)[(4g)^2-(4g)(2)+2^2]\implies (4g+2)[(4^2g^2)-8g+4]
\\\\\\
(4g+2)(16g^2-8g+4)$

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2 years ago