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4 years ago

8

A triangle has vertices A(0, 0), B, (- 3, 6) , and C(0, 9) . What are the coordinates of the triangle after a dilation with a sc

ale factor of 3?

1 answer:

Sedaia [141]4 years ago

8 0

A (0, 0) B (-9, 18) and C (0, 27)

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Please help me answer this question

MAXImum [283]

Step-by-step explanation:

BC is the bisector of $\angle ABQ$

$\therefore \angle ABC \cong \angle CBQ..(1)\\\angle CBQ \cong \angle CAB..(2) \\(\angle 's\: in \: alternate\: segments) \\$

From equations (1) & (2)

$\angle ABC \cong \angle CAB\\\therefore AC = BC$

(Because sides opposite to equal angles are equal)

Hence Proved

7 0

4 years ago

Plzzz help mr plzzz mathhh

dlinn [17]

Answer:

x = 20

Step-by-step explanation:

First, we need to combine both equations as we know they are create a "straight angle", which is 180 degrees:

2x + 8 + 6x + 12 = 180

Next, we can combine like terms to simplify the equation:

8x + 20 = 180

Now, we can subtract 20 from each side:

8x = 160

Finally, we divide both sides by 8 to find the value of "x":

x = 20

I hope this helps!

-TheBusinessMan

3 0

3 years ago

3(-4n - 9) = 21 plc solve

erma4kov [3.2K]

<h3>Answer:</h3>

$\huge{\boxed{n=-4}}$

<h3>Explanation:</h3>

$\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}$

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4 years ago

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Are these calculations correct? If so, please put in descending order:

Mkey [24]

No because the last one is not correct and if you want to text me back if you won't me to do it for you for the first three you can

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3 years ago

Which expressions are equivalent to 5+(−3)(6x−5)

Amiraneli [1.4K]

i don’t know your choices but this is the answer i got: -2(9x-10)

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3 years ago