2 years ago

What is(14x2-27x+9)/(7x-3)?

Mathematics

1 answer:

Ann [662]2 years ago

7 0

Answer:

(-7x - 3) • (2x + 3)

Step-by-step explanation:

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A number is multiplied by 5 and the results is twice the number added to 2 find the number<br>

docker41 [41]

Answer:

5x=2x+2

3x=2

X=2/3

Hope this helps ФωФ

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3 years ago

Tell whether each pair of angles are elther supplementary or congruent.

sveta [45]

It’s supplementary
t is the answer

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2 years ago

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alekssr [168]

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3 years ago

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Find the x-intercept of the parabola with vertex (1,-13) and y-intercept (0,-11).

Advocard [28]

1. find equation

general solutions are:
$y = a x^{2} +bx +c \\ \\ \frac{dy}{dx} = 2ax +b$

for P(0,-11)

$-11 = 0a + 0b +c$ ⇒ $c = -11$

for p(1,-13)
$-13 = 1a + 1b -11 \\ a+b = -2$

and

$0 = 2a + b \\ b = -2a$

solve for a and b:
$a - 2a = -2 \\ a = 2 \\ b = -4$

the total equation is now:

$y = 2 x^{2} -4x -11$

To find the x-intercept set y=0 and solve for x

$0 = 2 x^{2} -4x-11$

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3 years ago

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Quadrilateral ABCD is inscribed in a circle. Find the measure of each of the angles of the quadrilateral.

Nadusha1986 [10]

Here is a reference to the Inscribed Quadrilateral Conjecture it says that opposite angles of an inscribed quadrilateral are supplemental.

Explanation:

The conjecture, #angleA and angleC# allows us to write the following equation:

#angleA + angleC=180^@#

Substitute the equivalent expressions in terms of x:

#x+2+ x-2 = 180^@#

#2x = 180^@#

#x = 90^@#

From this we can compute the measures of all of the angles.

#angleA=92^@#

#angleB=100^@#

#angleC=88^@#

<span>#angleD= 80^@#</span>

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2 years ago