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3 years ago

6

Help please due in 45 minutes

1 answer:

k0ka [10]3 years ago

7 0

Answer: B

Step-by-step explanation:

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Find in degrees the numeric value of the acute angle of rotation that eliminates the product term from the equation 7x2+24xy−34x

lutik1710 [3]

Rotating the graph of $Ax^2+Bxy+Cy^2+Dx+Ey+F=0$ with $B\ne0$ counterclockwise by $\theta$ eliminates the $xy$ term, where $\cot2\theta=\frac{A-C}{B}.$ Plugging in, we have $\cot2\theta=\frac{7}{24},$ since $C=0.$ Solving, we have $\theta=\frac{1}{2}\cot^{-1}(\frac{7}{24})\approx\boxed{36.9^\circ}.$

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3 years ago

6m-4+3m+7 simplify term

Nady [450]

Answer:

9m +3

Step-by-step explanation:

6m-4+3m+7

Combine like terms

6m+3m -4+7

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3 years ago

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Solve for x: 8x + 10 - 5x = 15.

MrRa [10]

<span>8x + 10 - 5x = 15
3x + 10 = 15
3x = 5
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3 years ago

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Which sentence describes a way to determine the missing number in the

Llana [10]

Answer:

70910 (c)

Step-by-step explanation:

You move the decimal point to the right each time.

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3 years ago

Solve the equation 2x+3/3 - 3x/2=-4<br>Fast please

alina1380 [7]

Answer:

x = 6

Step-by-step explanation:

Assuming the equation is

$\frac{2x+3}{3}$ - $\frac{3x}{2}$ = - 4

Multiply through by 6 ( the LCM of 3 and 2 ) to clear the fractions

2(2x + 3) - 9x = - 24

4x + 6 - 9x = - 24

- 5x + 6 = - 24 ( subtract 6 from both sides )

- 5x = - 30 ( divide both sides by - 5 )

x = 6

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3 years ago