3 years ago

HELP PLEASE I NEED IT NOWWW.

Mathematics

1 answer:

Elina [12.6K]3 years ago

3 0

Answer:

C.) 5

Step-by-step explanation:

If beth were 5 ( Making Julio 3)

Gerald is 10 and Debra is 20

10+20+5+3 = 38

I hope this helps you :)

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siniylev [52]

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Step-by-step explanation:

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$\frac{6-12b}{3a-6ab}$ ← factor both numerator and denominator

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2 years ago

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B) What should be subtracted from -7mn + 2m² + 3n² to get m²+ 2mn + n²? please help

Hitman42 [59]

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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