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marin [14]
3 years ago
12

What is the distance between (8, -3) and (4, -7)?

Mathematics
1 answer:
lesantik [10]3 years ago
6 0

Answer:

d=4√2

Step-by-step explanation:

distance formula = √(x2-x1)²+(y2-y1)²

d=√(4-8)²+(-7-(-3))²

d=√4²+(-4)²

d=√16+16 = √32=√2²*2²*2

d=4√2

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Find the distance between Laurel and Delmar if they are 9 cm apart on a map with a scale of 1 cm : 18 km.
sp2606 [1]

If the ratio is 1:18, and we need to know how the other side for the ration 9:?, then we have to multiply 9x18.

9x18=162

so Laurel and Delmar are 162 km away

hope it helps! :3

7 0
3 years ago
For each 11 mm of coloured fabric Nick uses to make his curtains, he also uses 2 cm of white fabric. Express the amount of white
defon

Answer:

The amount of white fabric to coloured fabric as a ratio is 20:11

Step-by-step explanation:

We are given that For each 11 mm of colored fabric Nick uses to make his curtains, he also uses 2 cm of white fabric.

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1 cm = 10 mm

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So, Ratio of the amount of white fabric to coloured fabric = \frac{20}{11}

Hence the amount of white fabric to coloured fabric as a ratio is 20:11

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3 years ago
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The boat would cost 3,340 dollars
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Step-by-step explanation:

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