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strojnjashka [21]
3 years ago
14

Jeff is traveling from Atlanta to Columbia and then to Charleston. He decides to plot the cities on a coordinate plane. He puts

Atlanta at (0, 0), Columbia at (21, 0) and Charleston at (24, -11). He lets each tick mark represent 10 miles. Which formula would correctly solve for the distance from Columbia to Charleston?
A)
242 + (-11)2
B)
242 - 112
C)
32 + (-11)2
D)
32 - 112
Mathematics
2 answers:
tresset_1 [31]3 years ago
7 0

I think that the answers b

jenyasd209 [6]3 years ago
4 0

Answer:

it is A

Step-by-step explanation:

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Dont understand it, so yeah need some help​
Sonja [21]

Answer:

-4

Step-by-step explanation:

We have the coordinates (6, 3) and (8, 4), allowing us to calculate the slope (or gradient). To do this, you divide the change in y by the change in x, which is 1/2 which is a half.

The form of a linear equation is y = mx + c, where m is the gradient and c is the y-intercept.

We have the gradient, so we can put it in the equation:

y = x/2 + c

We can now substitute in a pair of our coordinates and rearrange to find the y-intercept.

3 = 6/2 + c

3 = 3 + c

c = 0

Therefore the equation for our line is y = x/2.

We can now put in the y coordinate we were given to work out the corresponding x coordinate:

-2 = x/2

x = -4

Therefore n is -4.

7 0
3 years ago
Make a hundred 178+98
Bumek [7]
276 is the answer
to make into 100 do
276 - 100= 176
then do 276 - 176= 100.
7 0
3 years ago
Read 2 more answers
Of the original 56 signers of the Declaration of Independence, four of them represented North Carolina. If you selected one sign
yawa3891 [41]

Answer:1/14

4/56 simplified is 1/14

4 0
3 years ago
Based on these data, are "being female" and "earning over $50,000" independent events?
amm1812

Based on these data, are "being female" and "earning over $50,000" independent events. They are independent events because by being female does not mean they could earn $50,000. It would depend on how the females work their way to earn that kind of money.

6 0
3 years ago
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Simplify the following expression: 35 + (–13) + (+8) – (–6).
Sauron [17]
35 + (-13) + 8 - (-6) \\ \\ 35 - 13 + 8 + 6 \\ \\ 36 \\ \\ Answer: \fbox {36}
6 0
3 years ago
Read 2 more answers
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