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3 years ago

8

Is this a complementary ,linear pair,vertical or adjacent?

1 answer:

vovangra [49]3 years ago

6 0

Answer: Linear

Explanation: A linear pair of angles is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.

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Help with both questions offering 10 points

Alexandra [31]

Answer:

$\:\mathrm{First\: problem:\:}-2,\\\:\mathrm{Second\: problem:\: }-3$

Step-by-step explanation:

The slope of a line passing through points $(x_1, y_1)$ and $(x_2, y_2)$ is:

$m=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}$

Plugging in any two points in the table we have:

<u>First problem:</u>

<u /> $m=\frac{1-5}{2-0}=\frac{-4}{2}=\fbox{$-2$}$ <u />

<u>Second problem:</u>

<u /> $m=\frac{-1-5}{2-0}=\frac{-6}{2}=\fbox{$-3$}$ <u />

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3 years ago

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What is 1,099 rounded to the nearest ten

Elena-2011 [213]

1,099= 1,100

HOPE THIS HELPS!!!

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3 years ago

A gaming system is regularly priced at $175. It is on sale this week for $140. By what percentage was the prices of the gaming s

Anika [276]

Answer:

20%

Step-by-step explanation:

6 0

2 years ago

Factor this polynomial completely x2 + 3x – 18 A. (x-2)(x + 9) B. (x+3)(x-6) оо C. (x - 3)(x+6) D. (x - 3)(x-6)

Umnica [9.8K]

Answer:

C. $(x-3)(x+6)$

Step-by-step explanation:

I think the equation meant $x^2+3x-18$ ?

Anyways, to factor these kinds of quadratic, keep into consideration:

$ax^2+bx+c=(x+w)(x+v)$

ONLY if:

$w+v=b\\wv=c$

Start off by finding factors of c, which in this case, -18:

±(1, 2, 3, 6, 9, 18)

If one of the numbers is negative then the other number must be positive.

Find which two factors will sum up to b, which in this case, is 3.

$1+(-18)\neq 3\\2+(-9)\neq 3\\3+(-6)\neq 3\\6+(-3)=3\\9+(-2)\neq 3\\18+(-1)\neq 3\\$

The only two factors that work are 6 and -3.

Replace them into the factored form:

$(x+w)(x+v)\\(x+6)(x-3)\\(x-3)(x+6)$

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2 years ago

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Solve for x X^2 =16

Marina CMI [18]

Answer:

Step-by-step explanation:

X=4

4×4=16

6 0

2 years ago

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