2 years ago

(4x + 2), (2x +3), and (x-2)

Mathematics

2 answers:

Alja [10]2 years ago

5 0

7x-3 ========================

Lena [83]2 years ago

4 0

The answer is 7x-3 if you add like terms which are 4x, 2x, and x then take 2, 3, -2 and subtract from each other

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olganol [36]

I believe the length of AD is 10.

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3 years ago

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Takumi started studying how the number of branches on his tree changes over time.

Musya8 [376]

Answer:

Grows, Factor of 2

Step-by-step explanation:

The relationship between the elapsed time, t, in years, since Takumi started studying his tree, and the total number of its branches, N(t), is modeled by the function:

$N(t) = 63. 2^t$

For illustration, let us take the growth for the first three years after he started studying the number of branches.

$When \:t=1, N(1) = 63. 2^1=126\\When \:t=2, N(2) = 63. 2^2=252\\When \:t=3, N(3) = 63. 2^3=504\\504\div 252=252\div 126=2$

We notice that for each subsequent year, the number of branches doubles.

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8 0

4 years ago

2.3x+0.37=0.7x+0.05 what is x ? If you answer this right you will get a lot of points.

Troyanec [42]

Answer:

x = -0.2

Step-by-step explanation:

2.3x+0.37 = 0.7x+0.05

Subtract 0.7x on both sides

1.6x + 0.37 = 0.05

Subtract 0.37 on both sides.

1.6x = -0.32

Divide by 1.6 on both sides to isolate the variable x

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3 years ago

2(2^3+7)^3+2(7^2+5)2

Lera25 [3.4K]

If this is what you meant...

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3 years ago

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iVinArrow [24]

Answer:

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Step-by-step explanation:

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3 years ago

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