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ryzh [129]
2 years ago
9

18x-2y=26 I know I have to move 18x over but how would I do that?

Mathematics
2 answers:
Tresset [83]2 years ago
7 0
I hope this helps you

Scorpion4ik [409]2 years ago
7 0
18x - 2y = 26
-18 × - 18 x
- 2y = -18× + 26
__. __. __
- 2. 2 2
answer is y= -9× + 13
To move 18 x over , you have to subtract 18x to -18x.
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under a dilation, the point (2,6) is moved to (6,18) what is the scale factor of the dilation? enter your answer in the box​
Anestetic [448]
<h2>3</h2>

Step-by-step explanation:

The equation of line passing through the two points is \frac{y-y_{1} }{x-x_{1} }=\frac{y_{2} -y_{1}}{x_{2} -x_{1}}

When substituted,the equation becomes \frac{y-6}{x-2}=\frac{18-6}{6-2}

which when simplified is y=3\times x

The line clearly passes through origin.

The distance between two points is \sqrt{(y_{1}-y_{2} )^{2}+(x_{1}- x_{2} )^{2}}

Distance between origin and (2,6) is \sqrt{40}.

Distance between origin and (6,18) is \sqrt{360}

Scale factor is  \frac{distance\text{ }of\text{ }p_{2}\text{ from origin}}{distance \text{ } of \text{ } p_{1}\text{ from origin}}

So,scale factor is \frac{\sqrt{360} }{\sqrt{40} }

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6 0
2 years ago
If one foot is the same length as 12 inches, how many inches equal 3.5 feet? (Only input whole numbers.)
lesantik [10]
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1ft/12in=3.5ft/?in
times both sides by 12?in
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answer is 42 in

or you could just do
3.5 times 12=42 inches
4 0
3 years ago
Read 2 more answers
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2 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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