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postnew [5]
3 years ago
5

What you s the distance between (13,-6) and (13,12) on the coordinate plane?

Mathematics
2 answers:
nignag [31]3 years ago
8 0
Since both x values are the same and since the y values are 18 digits apart, the distance between both points is 18 units.
vesna_86 [32]3 years ago
4 0

To find the distance, you would use the <u>distance formula</u>, which is:

\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

But, in this case, both of the x values are 13, meaning we can cancel out the x values (or just subtract y₁ from y₂, to get the distance ):

\sqrt{(13 - 13)^{2} + (y2 - y1)^{2}}

\sqrt{(0)^{2} + (y2 - y1)^{2}}

\sqrt{0 + (y2 - y1)^{2}}

Because of this, we only need to find the distance between y₁ and y₂. Plug in the -6 and 12:

\sqrt{(12 + 6)^{2}}     <em>Plug in both y terms.</em>

\sqrt{18^{2}}     <em>Simplify as much as possible.</em>

= 18     <em>The √ and the ² cancel out.</em>

Therefore, the distance between (13, -6) and (13, 12) is 18.

<em>Hope this helps! :)</em>

<u><em>EDIT: all the subscripts and most of the exponents showed up incorrectly. should be fixed now.</em></u>

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Hi,

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Answer:

1. B     2. B

Step-by-step explanation:

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Radius is half of diameter, so you'd multiply 14 times 2 which gives you 28. Since it's asking for it in pi, it'll be 28 pi.

2. I think instead of circumference, it's asking for area because if it was asking for circumference the answer would have been 6.6 pi, but that answer isn't there. So if it's asking for area, the formula is A= pi(r²) They gave the diameter instead. Remember, the radius is half of the diameter, so in order to get the radius, you'd divide 6.6 by 2 and get 3.3. Then, multiply 3.3 with the number itself, and you'll get 10.89.

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3 years ago
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Step-by-step explanation:

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Cross multiply:

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