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2 years ago

(6x + 3y + 4) - (8x +9y) liner expressions...

Mathematics

2 answers:

Oksana_A [137]2 years ago

7 0

Step-by-step explanation:

(6x + 3y + 4) - (8x +9y)

6x + 3y + 4 - 8x - 9y)

-2x -6y + 4 (.°. Take 2 as common)

2(-x -3y + 2)

-x -3y + 2 = 0

x + 3y - 2 = 0

Pepsi [2]2 years ago

5 0

Answer:

−2⋅(x+3y−2)

Step-by-step explanation:

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Angelina_Jolie [31]

Answer:

The variable that may change in response to the increase of the drug is the GAD symptoms by a 37,5%.

Step-by-step explanation:

According to the results of the first experiment with a mass of 200 mg of Drug R, they obtain a reduced of the GAD symptoms by a 25 percent evidenced by the Hamilton Anxiety Scale.

If they decided to increase the mass of Drug R to 300 mg the results expected are a increase of the porcentange of the reduced symptoms of generalized anxiety disorder, according to the tendence of the first hypothesis and the Hamilton Anxiety Scale.

We can express this increase by using the three simple rule. Where if 200 mg of Drug R reduced the 25% of the GAD symptoms, if we increase to 300 mg of Drug R how much porcentage this amount will be reduced.

Doing the maths 300mg × 25%=7500mg%,

⇒ 7500mg% ÷ 200mg = 37,5%.

In conclusion if they increased the mas of Drug R to 300 mg they will be reduced the generalized anxiety disorder (GAD) to a 37,5%.

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3 years ago

Round 81.139 to the nearest tenth

Gnesinka [82]

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

81.139 ≈ 81.1

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3 years ago

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Blizzard [7]

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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