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Ksivusya [100]
2 years ago
9

Please help! And show or explain your work! (I WILL MARK BRAINLIEST)

Mathematics
1 answer:
netineya [11]2 years ago
5 0

Answer:

Step-by-step explanation:

-3.1+7-7.4x=1.5x-6(x-1.5)

We move all terms to the left:

-3.1+7-7.4x-(1.5x-6(x-1.5))=0

We add all the numbers together, and all the variables

-7.4x-(1.5x-6(x-1.5))+3.9=0

We calculate terms in parentheses: -(1.5x-6(x-1.5)), so:

1.5x-6(x-1.5)

We multiply parentheses

1.5x-6x+9

We add all the numbers together, and all the variables

-4.5x+9

Back to the equation:

-(-4.5x+9)

We get rid of parentheses

-7.4x+4.5x-9+3.9=0

We add all the numbers together, and all the variables

-2.9x-5.1=0

We move all terms containing x to the left, all other terms to the right

-2.9x=5.1

x=5.1/-2.9

x=-1+1/1.31818181818

THIS IS UR ANSWER... THANK YOUU

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Step-by-step explanation:

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3 years ago
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Shtirlitz [24]
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Makovka662 [10]

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3 years ago
Find the missing side or angle. Round to the nearest tenth. C=53° B= 80° a=2 b=[ ? ]​
Degger [83]

9514 1404 393

Answer:

  b ≈ 2.7

Step-by-step explanation:

The missing angle A is ...

  A = 180° -53° -80° = 47°

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5 0
3 years ago
Read 2 more answers
What is the final amount if 286 is increased by 7% followed by a further 9% increase?
sladkih [1.3K]

Answer:

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Step-by-step explanation:

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