3 years ago

A napkin has an area of 5 square inch. what is the side length of the napkin

1 answer:

4 0

To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides. This number divided by 2 is the width.

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Find the area:

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189.98

Step-by-step explanation:

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2 years ago

If a bag has 40 red and blue marbles and a quarter of them are red what is the probability of picking a blue one

ella [17]

Total marbles = 40 & 1/4 (or 0.25) are, then RED = 40x 0.25 = 10

If RED = 10 then BLUE = 30

P(picking one blue) = 30/40 = 3/4 =0.75

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3 years ago

2x+y=8 x+y=4 Where do they intersect at?

Roman55 [17]

Answer:

${ \bf{2x + y = 8 - - - (a)}} \\ { \bf{x + y = 4 - - - (b)}} \\ a - b : \\ x = 4 \\ 4 + y = 4 \\ y = 0 \\ { \tt{they \: intersect \: at \: (4, \: 0)}}$