3 years ago

List all the rational roots of f(x)=36x^3-15x^2-17x+6

Mathematics

1 answer:

Sedaia [141]3 years ago

6 0

Answer: A on Edge

Step-by-step explanation:

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if the following line segment is reflected across the x-axis what are the coordinates new endpoints A.) (-1,-6) and (-3,-2) B.)

Tasya [4]

Answer:

A.) (-1,-6) and (-3,-2)

Step-by-step explanation:

The given line segment has coordinates

(-1,6) and (-3,2)

The mapping for a reflection in the x-axis is

$(x,y)\to (x,-y)$

This implies that;

$(-1,6)\to (-1,-6)$

and

$(-3,2)\to (-3,-2)$

The correct choice is A.

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3 years ago

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Molodets [167]

Complementary angles add up to 90°

∠BDC + ∠CDA = 90°

Answer: ∠BDC

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Using the rule y=4x-1, find the value of y when x is 5

Kazeer [188]

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3 years ago

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Round 389,935 to the nearest hundred thousand

Ivenika [448]

Answer:

400 thousand or 400,000

Step-by-step explanation:

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3 years ago

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A square has a side that is (x-3) units long. If the area of the square is 126.5625 sq units, what is the value of x?

Kitty [74]

Answer:

14.25 units

Step-by-step explanation:

Area of a square= $l*b= (x-3)(x-3)=x^{2}-3x-3x+9=x^{2}-6x+9$

$x^{2}-6x+9=126.5625$

$x^{2}-6x-117.5625$

Solving the equation using quadratic equation then as attached

x=14.25 units

To prove

x-3=14.25-3= 11.25 units

area=11.25*11.25=126.5625 sq units

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3 years ago