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defon
3 years ago
13

12. Which of the following represents the linear equation 3(x + 2) = 12 - 2y in standard \ A|y=-3/2x+3 [B] y = 3/2x-3 3x - 2y =

10 D 3x + 2y = 6
Mathematics
1 answer:
GREYUIT [131]3 years ago
5 0

Answer: The answer is D. 3x+2y=6, please mark me as brainliest, I want my brainliest back and I want very helpful for good!!!

Step-by-step explanation:

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On the unit circle, which of the following angles has the terminal point coordinates (√2/2,-√2/2)
aleksandr82 [10.1K]

Answer:

Option B

Step-by-step explanation:

A unit circle means radius of the circle = 1 unit

Let a terminal point on the circle is (x, y) and angle between the point P and x-axis is θ.

Center of the circle is origin (0, 0).

Therefore, ordered pair representing the terminal point will be (OP×Cosθ, OP×Sinθ) = (\frac{\sqrt{2} }{2},-\frac{\sqrt{2} }{2})

OP.Cosθ = 1×Cosθ = \frac{1}{\sqrt{2}}

Cosθ = \frac{1}{\sqrt{2}}

θ = \frac{\pi }{4}+2\pi n,  \frac{7\pi }{4}+2\pi n where n = integers

Similarly, OP×Sinθ = 1×Sinθ = -\frac{1}{\sqrt{2}}

Sinθ = -\frac{1}{\sqrt{2} }

θ = \frac{5\pi }{4}+2\pi n,  \frac{7\pi }{4}+2\pi n where n = integer

Common value of θ will be, θ = \frac{7\pi }{4}

Option B will be the answer.

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3 years ago
In a survey of 1,200 people who owned a type of car 660 said they would buy the same car again
zzz [600]

Answer:

its 1,200 - 660= 540

Step-by-step explanation:

3 0
3 years ago
Mia removes the plug from a trough to drain the water. The volume, in gallons, in the trough after it has been unplugged can be
STALIN [3.7K]

Answer:

The correct option is D) (5x − 2)(2x − 3).

Step-by-step explanation:

Consider the provided expression.

10x^2-19x+6

Where x is time in minutes.

We need to find the appropriate form of the expression that would reveal the time in minutes when the trough is empty.

When the trough is empty the whole expression becomes equal to 0.

Substitute the whole expression equal to 0 and solve for x that will gives us the required expression.

10x^2-19x+6=0

10x^2-15x-4x+6=0

5x(2x-3)-2(2x-3)=0

(5x-2)(2x-3)=0

Now consider the provided option.

By comparison the required expression is D) (5x − 2)(2x − 3).

Hence, the correct option is D) (5x − 2)(2x − 3).

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4 years ago
What is collateral ?
Sergio [31]

Answer:

C I believe

Step-by-step explanation:

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3 years ago
Read 2 more answers
Is 1.34 a rational number
Ksenya-84 [330]

Answer:

yes

Step-by-step explanation:

1.34 as a fraction would be 67/50 or 1 and 17/50th

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4 years ago
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