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WITCHER [35]
3 years ago
6

WILL MARK BRAINLIEST ONLY HAVE 10 MINUTES AND DOUBLE POINTS

Mathematics
1 answer:
allochka39001 [22]3 years ago
8 0

Hey there!

They are both correct, and their expressions are equivalent.'

9(S + T) + 45 = 9S + 9T + 45

Have a terrificly amazing day!

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Find the HCF and LCM of 4x^2 - 36 ,2x^2 - 12x + 18 and 2x^2 + x - 21​
olga_2 [115]

Answer:

(x-3), 4 (x - 3)^2 (x + 3) (2 x + 7)

Step-by-step explanation:

Factor all the expressions,

1st expression= 4x^2 - 36=4(x^2-9)=4(x+3)(x-3)

2nd expression=2x^2 - 12x + 18 =2(x^2-6x+9)=2 (x - 3)^2=2(x-3)(x-3)

3rd expression=2x^2 + x - 21​=(x - 3) (2 x + 7)

HCF=Commo factor=(x-3)

LCF=Common factor*Remaining factor=4(x+3)(x-3)(x-3) (2 x + 7)=4 (x - 3)^2 (x + 3) (2 x + 7)

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3 years ago
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What is 2 1/5 + 1 1/5
Reptile [31]

Answer:

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Step-by-step explanation:

divide it all into a calculator

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Step-by-step explanation: i think i did it in my head

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I NEED HELP ITS DUE IN A FEW MINUTES HHHHEEELLLLPPP
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Answer:

Question 11 - B

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11). 4 chairs per table --> B

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