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Luden [163]
3 years ago
5

Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now. Ralph's

age is _____. 6 12 18 24
Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0

The correct answer is 18.

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the answer does be A

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5/8 divided by 1 1/3? In fraction form
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Step-by-step explanation:

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3 years ago
A + 5 = -5a + 5 what does x equal
antoniya [11.8K]

Answer:

a = 0

Step-by-step explanation:

a + 5 = -5a + 5      subtract 5 from both sides

a + 5 - 5 = -5a + 5 - 5

a = -5a                add 5a to both sides

a + 5a = -5a + 5a

6a = 0                 divide both sides by 6

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a = 0

7 0
3 years ago
Here is your questions
viva [34]

Answer:

Step-by-step explanation:

strategy:  find the distance of the two points,   take half of that,  b/c that will be the radius,   Then use   the area of a circle formula to find the answer

P1 = (1,-1)   in the form (x1,y1)

P2= ((3,3)  in the form (x2,y2)

dist = sqrt [ (x2-x1)^2 + (y2-y1)^2 ]

dist = sqrt [ 3 -1 )^2 + 3-(-1)^2 ]

dist = sqrt [ 2^2 + 4^2 ]

dist = sqrt [ 4 + 16 ]

dist = sqrt [20]

r = \sqrt{20} /2

area of circle = \pir^{2}

area of circle = \pi(\sqrt{20} /2)^2

area of circle = \pi(\sqrt{20} /2)(\sqrt{20} /2)

area of circle = \pi(20 / 4)

area of circle = \pi5

area of circle = 5\pi

3 0
3 years ago
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