Please help!!! Look at the attachment

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Answer 1

Answer:

Option D is the correct answer

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Help, please. I really need help one this
5x+3y=39x+y=3*ELIMINATION METHOD *
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been used to feed this fish?

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Answer:

i'll see if a friend knows ill work on it

Step-by-step explanation:

A line has slope 2/3 and y-intercept -2. Which answer is the equation of the line?A) y=2x+2/3
B) y= -2x+2/3
C) y=2/3x+2
D) y=2/3x -2

Answers

b. is the correct answer

The exact value of tan 5pi/12 is?

Answers

Answer:

The exact value of $\tan ((5\pi)/(12))$ is $2+√(3)$

Step-by-step explanation:

We need to calculate the exact value of $\tan ((5\pi)/(12))$

Since, $\tan (x)/(2) = (1- \cos x)/(\sin x)$

Put $x= (5 \pi)/(6)$ in above

$\tan ((5\pi)/(12)) = (1- \cos (5\pi)/(6))/(\sin (5\pi)/(6))$

Since,

$\cos (5\pi)/(6)}=(-√(3))/(2)$

$\sin (5\pi)/(6)}=(1)/(2)$

$\tan ((5 \pi )/(12)) = (1+(√(3))/(2))/((1)/(2))$

$\tan ((5 \pi )/(12)) = ((2+√(3))/(2))/((1)/(2))$

$\tan ((5 \pi )/(12)) = 2+√(3)$

Therefore, the exact value of $\tan ((5\pi)/(12))$ is $2+√(3)$

The exact value of tan(5π/12) is √(2/3).

How to determine the exact value of tan 5pi/12

The exact value of tan(5π/12) can be calculated using trigonometric identities and reference angles.

The angle 5π/12 is not a special angle with a known tangent value, so we need to work with its reference angle, which is π/12.

Using the identity tan(θ) = sin(θ) / cos(θ), we can express tan(π/12) as:

tan(π/12) = sin(π/12) / cos(π/12)

Now, let's find the exact values of sin(π/12) and cos(π/12) using half-angle and double-angle formulas:

sin(π/12) = sin(π/6) / 2^(1/2)

= 1 / 2^(1/2) / 2

= (2^(1/2)) / 4

= √2 / 4

cos(π/12) = cos(π/6) / 2^(1/2)

= 3^(1/2) / 2 / 2^(1/2)

= 3^(1/2) / 4√2

= (√3) / 4

Now, we can substitute these values back into the expression for tan(π/12):

tan(π/12) = sin(π/12) / cos(π/12)

= (√2 / 4) / (√3 / 4)

= (√2 / 4) * (4 / √3)

= √2 / √3

= √(2/3)

Therefore, the exact value of tan(5π/12) is √(2/3).

Learn more about trigonometric identities at brainly.com/question/25618616

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Four different beverages are sold at a fast-food restaurant: soft drinks, tea, coffee, and bottled water. Explain why the type of beverage sold is an example of a categorical variable

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Answer: The values of the variable can only be placed into categories.

Step-by-step explanation:

Type list of beverage sold is a categorical variable because the values of the variable can only be placed into categories.

A categorical variable, also referred to as nominal variable. is a variable which consist of two or more categories, this usually does not involve special ordering of the categories.

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 16 ft, express the area A of the window as a function of the width x of the window.

Answers

This answer uses NMF for which, if needed, the syntax can be found in my profile. Please ignore the LaTeX (the image), I cannot remove it/change it, and it is incorrect. The answer is: f(x)={π{{x}^{2}}/{4}+x(16-{πx}/{2}-x)}/{2}

Final answer:

The area A of a Norman window in terms of its width x can be expressed as the function A(x) = 8x - x²/2 - πx²/8, deriving this equation involves isolating variables from the given perimeter equation.

Explanation:

A Norman window has the shape of a rectangle topped with a semicircle. If we take x as the width of the window and y as the height of the rectangle, then the perimeter of the window is given by P = 2y + x + πx/2 = 16 (since the perimeter is the sum of the rectangle's two sides, the width, and half the circumference of a circle with diameter x).

From this equation, we can express y as a function of x: y = 8 - x/2 - πx/4.

Then, the area A of the window is the sum of the area of the rectangle and the area of the semicircle, which equals A = xy + πx²/8 = x(8 - x/2 - πx/4) + πx²/8 = 8x - x²/2 - πx²/4 + πx²/8.

Therefore, the area A of the window as a function of the width x of the window is A(x) = 8x - x²/2 - πx²/8.

Learn more about Function of Window Area here:

brainly.com/question/32386293

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Raphael paid $498 for a camera during a 25% off sale. What was the camera's regular price?

Answers

$622.50 is the regular price for the camera.

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