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Oksanka [162]
2 years ago
8

2x + 5x – X^2-9x + 3x² – 2x

Mathematics
2 answers:
Paul [167]2 years ago
8 0

7x - 9x - 2x+ 3x^2 - x^2

7x - 11x + 2x^2

2x^2 - 4x

Mariana [72]2 years ago
8 0

Answer:

Collect like terms.

(2x+5x-9x-2x)-{x}^{11}+3{x}^{2}(2x+5x−9x−2x)−x11+3x2

 

Simplify.

-4x-{x}^{11}+3{x}^{2}−4x−x11+3x2

Done

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3/10, 30%

Step-by-step explanation:

the shaded region is 9/30 which is equivilent to 3/10 and 3/10is 30 percent.

hope this helps!

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Clare used 25% less butter this month than last month when baking holiday treats. If she used 240 tablespoons of butter last mon
amm1812

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I think she used 180 tablespoons of butter this month.

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<img src="https://tex.z-dn.net/?f=x%20%20%5Cdiv%203x%20-%202%20%3D%201%20%5Cdiv%203x%20-%204" id="TexFormula1" title="x \div 3x
Maurinko [17]

Hello from MrBillDoesMath!

Answer:

x = 1/2 (1 +\- i sqrt(23))

Discussion:

x \3x - 2 =   (x/3)*x - 2   =  (x^2)/3 - 2     (*)

1 \3x - 4   =  (1/3)x - 4                               (**)

(*) = (**)   =>

(x^2)/3 -2 = (1/3)x - 4        => multiply both sides by 3

x^2 - 6 = x - 12                 => subtract x from both sides

x^2 -x -6 = -12                   => add 12 to both sides

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Using the quadratic formula gives:

x = 1/2 (1 +\- i sqrt(23))

Thank you,

MrB

4 0
2 years ago
Carmen drew line A and line B in the two scatter plots shown. one scatter plot contains 12 points indicating a negative correlat
blondinia [14]

The true statement is that only line A is a well-placed line of best fit

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The scatter plots are not given. However, the question can still be answered

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For a line of best fit to be well-placed, the line must divide the points on the scatter plot equally.

From the given features, we can see that line A can be considered as a good line of best fit, because it divides the points on the scatter plot equally.

Read more about line of best fit at:

brainly.com/question/14279419

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