3 years ago

The sum of two numbers is five times their difference. If one number exceeds the other by 7, find the numbers.

Mathematics

1 answer:

Vaselesa [24]3 years ago

4 0

Hello here is a solution :

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Answer:

Melanie is 48 feet away.

Step-by-step explanation:

20% of 25 = 20

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Hopefully it helps, if not I'm sorry...

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( 4 - 5y )+ -(2y - 16)

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4 years ago

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A circle centered at the origin contains the point

valentina_108 [34]

Answer:

Yes, the distance from the origin to the point (8,√17) is 9 units.

Step-by-step explanation:

The equation of a circle centered at the origin with radius , r has equation:

${x}^{2} + {y}^{2} = {r}^{2}$

Since the circle passes through (0,-9), the radius is 9 units because (0,-9) is 9 units from the origin.

We substitute the radius to get:

${x}^{2} + {y}^{2} = {9}^{2}$

${x}^{2} + {y}^{2} = 81$

If (8,√17) lies on this circle, then it must satisfy this equation:

${8}^{2} + { (\sqrt{17} )}^{2} = 64 + 17 = 81$

This is True.

This means the distance from (8,√17) is 9 units from the origin.

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