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Alex777 [14]
3 years ago
12

ANSWER ASAPPPP MARKING BRAINLIEST HELP

Mathematics
1 answer:
Norma-Jean [14]3 years ago
7 0

Answer:

A. 30800

B.39600

C. 17600

Step-by-step explanation: 0.12*$35000= 4200 35000-4200 = $30800

$45000*0.12=$5400 $45000-$5400= $39600

$20000*0.12=$2400 $20000-$2400= $17600

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Answer: m²-9mn+2n²

Step-by-step explanation: make use of BODMAS strategy. Let the unknown be x.

-7mn+2m²+3n²-x= m²+2mn+n². Since we are concerned about getting the unknown,let's try to collect the like terms.

-7mn+2m²+3n²-(m²+2mn+n²)= x

-7mn+2m²+3n²-m²-2mn-n²= x

-7mn-2mn+2m²-m²+3n²-n²=x

-9mn+m²+2mn= x

X= m²-9mn+2n²

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Answer:

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