3 years ago

Plz help;..........................

Mathematics

1 answer:

shtirl [24]3 years ago

4 0

Are you in kindergarten
divide 10x^3 by 5x to get 2x^2 and then divide -25x by 5x to get -5

Answer is 2x^2-5
Choice #1

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Translate the phrase into a math expression. 12 less than twice a number. 2⋅n÷12 2⋅n−12 12−2⋅n 2⋅(n−12)

Andre45 [30]

Answer:

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3 years ago

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Uppose a triangle has a,b and c what must be true?

alexdok [17]

Obtuse: b^2 + c^2 > a^2

Right: b^2 + c^2 = a^2

Acute: b^2 + c^2 < a^2

A^2 + B^2 + c^2 - 2bc*cosA
As (A), is an Obtuse cos A is Negative say 2bccosA = - k then;
a^2 = b^2 + c^2 + k
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3 years ago

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If Ill m, solve for x.<br> (9x+2)<br> 119°<br> x =

Sav [38]

Answer:

x=13

Step-by-step explanation:

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2 years ago

The points with coordinates (x, -1), (2,2), and (4,3) lie on the same line. What is the value of x?

borishaifa [10]

Find the slope of the line passing throught the points (2, 2) and (4, 3).

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

Substitute:

$m=\dfrac{3-2}{4-2}=\dfrac{1}{2}$

If the point (x, -1) lie on the same line, then the slope of line passing through the points (2, 2) and (x, -1) the same:

Substitute:

$m=\dfrac{-1-2}{x-2}=\dfrac{-3}{x-2}$

We have the equation:

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$x=-4$

<h3>Answer: x = -4.</h3>

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3 years ago

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Answer:

rotate 90° counter clockwise

left 2

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3 years ago

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