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Strike441 [17]
3 years ago
8

What is the greatest common factor of the polynomial below? 8x^2-4   A.4x B.2x C.4x^2 D.2x^2

Mathematics
1 answer:
Vadim26 [7]3 years ago
5 0

none of those are right it is 4 because there is no x behind the 4.

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A flower shop sold 3.5 3.5 times as many roses as lilies last week. Which statement is true?
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The ratio of lillies to roses is 5:3
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At Open Skate Night, admission is $3.50 with a membership card and $4.00 without a membership card. Skate rentals are $2.00.
zaharov [31]

Answer:

                                   

Step-by-step explanation:

3 0
2 years ago
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I need help PLEASE!!!
Stella [2.4K]

9514 1404 393

Answer:

  y = -4/3x +23/2

Step-by-step explanation:

The tangent of interest is perpendicular to the radius at the given point on the circle. To find the perpendicular, it helps to know the slope of the radius segment. To find that, we need the center of the circle.

The center of the circle can be found by completing the square for each variable.

  (x^2 -2x) +(y^2 +4y) = 20

  (x^2 -2x +1) +(y^2 +4y +4) = 20 +1 +4

  (x -1)^2 +(y +2)^2 = 25

Comparing this equation to the standard form equation for a circle, we can find the center.

  (x -h)^2 +(y -k)^2 = r^2 . . . . . . . circle of radius r centered at (h, k)

The center of circle P is (1, -2).

__

The slope m' of the line segment between (1, -2) and (5, 1) is given by ...

  m' = (y2 -y1)/(x2 -x1)

  m' = (1 -(-2))/(5 -1) = 3/4

The slope m of the perpendicular line is the opposite reciprocal of this, so is ...

  m = -1/m' = -1/(3/4) = -4/3

The y-intercept of the desired line can be found from ...

  b = y -mx . . . . . . . for m=-4/3 and (x, y) = (5, 1)

  b = 1 -(-4/3)(5) = 23/3

Then the equation of tangent line AB is ...

  y = mx +b

  y = -4/3x +23/3

6 0
2 years ago
A paper has an area of 84 square inches.what is the paper’s area in square centimeters
Angelina_Jolie [31]

Answer:

546

Step-by-step explanation:

Each square inch is equal to 6.5 square centimeters so you can multiply

84 × 6.5 = 546So, the area is 546 square centimeters.

Hope this helps =>

6 0
2 years ago
Read 2 more answers
Select all the correct answers.
Vlad1618 [11]

Answer:

  • The measure of reference angle is 30^{\circ}.
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Step-by-step explanation:

Converting \theta to degrees,

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This means \theta lies in Quadrant 4, and thus its reference angle is 360^{\circ}-330^{\circ}=\boxed{30^{\circ}}

Since \theta lies in the fourth quadrant, \sin \theta and \tan \theta are negative.

Since \theta lies in the fourth quadrant, \cos \theta is positive, and is equal to \cos (30^{\circ})=\boxed{\frac{\sqrt{3}}{2}}

3 0
1 year ago
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