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2 years ago

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At a sale this week, a desk is being sold for $234. This is a 35% discount from the original price. What is the original price?

1 answer:

ehidna [41]2 years ago

4 0

The 35% is 81.90 plus the 234. So your answer would be $315.90 is the original price. If you need me to explain it let me know :)

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Factorise (x+y)^3- (x^3+y^3) plzzz answer

lilavasa [31]

Answer:

$\huge \boxed{ \boxed{ \tt 2xy(x + y)}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

factoring
PEMDAS

<h3>tips and formulas:</h3>

(a+b)³=a³+3a²b+3ab²+b³
a³+b³=(a+b)(a²-ab+b²)

<h3>let's solve:</h3>

$\sf \: use \: 2nd \: formula \: to \: simplify : \\ \sf(x + y {)}^{3} - (x + y)( {x}^{2} - xy + {y}^{2} )$
$\sf factor \: out \: (x + y) : \\ (x + y )\{(x + y)^{2} - ( {x}^{2} - xy + {y}^{2} \}$
$\sf simplify : \\ (x + y {)} \{ {x}^{2} + 2xy + {y}^{2} - {x}^{2} + xy - {y}^{2} \}$
$\sf collect \: and \: combine \: like \: terms : \\ (x + y) \{2xy \}$
$\sf \: rewrite : \\ 2xy(x + y)$

and

we are done

5 0

2 years ago

F = (4x-3)au carre - (x+3)(3-9x)

Vinvika [58]

Answer:

<em>Translater</em>

Step-by-step explanation:

<em>F = (4x-3) squared - (x + 3) (3-9x)</em>

<em>- develop and reduce (4x-3) to the edge</em>

<em>- show that F = (5x) squared</em>

<em />

<em>(NOT AN ANSWER ITS TO HELP OTHERS WHO DOESN"T KNOW FRENCH)</em>

7 0

2 years ago

Justin says that the value of the expression is 450. How did he get that answer?

kiruha [24]

The answer is 93!!!!

5 0

2 years ago

Only answer if you know you are correct

Rama09 [41]

Answer:

The answer is red. I used process of elimination to solve this. I know that blue, yellow, and green aren't correct, so it's red.

Step-by-step explanation:

Please tell me if I'm correct.

7 0

2 years ago

N+4-9 - 5n when simplifying

natita [175]

Answer:

-4n - 5

Step-by-step explanation:

4 - 9

= -5

-5n + n

Combine like terms

= -4n

-4n - 5

7 0

2 years ago