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drek231 [11]
3 years ago
15

Annabelle the ant and Archibald the ant are on a large coordinate grid. Annabelle is at (3,4) and Archibald is at (33,44). If bo

th ants skate directly towards each other, starting at the same time and skating the same speed, what will be the coordinates of their meeting place?
How far will each ant skate?
Mathematics
1 answer:
kvasek [131]3 years ago
7 0

<u>Part a)</u> If both ants skate directly towards each other, starting at the same time and skating the same speed, what will be the coordinates of their meeting place?

Let

A(3,4)  B(33.44)

we know that

If both ants skate directly towards each other, starting at the same time and skating the same speed

then

the coordinates of their meeting place is the midpoint AB

<u>Find the midpoint AB</u>

in the x-coordinate

(3+33)/2=18

in the y-coordinate

(4+44)/2=24

the midpoint AB is (18,24)

therefore

<u>the answer Part a) is </u>

the coordinates of their meeting place is (18,24)

<u>Part b)</u> How far will each ant skate?

<u>Find the distance AB</u>

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

substitute the values

dAB=\sqrt{(33-3)^{2}+(44-4)^{2}}

dAB=\sqrt{2,500} units

dAB=50 units

<u>Find the half distance AB</u>

50/2=25 units

therefore

<u>the answer part b) is</u>

Each ant will skate 25 units

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