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enot [183]
3 years ago
8

Joy walks 60 m to a slide in 180 sec. and slides down 9 times faster than she walks. If it takes 30 sec. to slide down, how long

is the slide?
Mathematics
1 answer:
mario62 [17]3 years ago
3 0
60 times 9 equals 54 54/180 = x/30 Solve for x to get 9 The slide is 9 m long
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igor_vitrenko [27]
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swat32

Answer:

£162.35.

Step-by-step explanation:

Total of letters + packages = 300.

Number of packages =  300 * 16 / ( 16+59)

= 300 * 16/75

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So number of letters = 300 - 64 = 236.

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No. of 2nd class letters = 236 - 59 = 177.

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3 years ago
Can someone help me please
Lisa [10]

Answer:

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2 years ago
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Over the interval [0,2pi), what are the solutions to cos(2x) = cos(x)? check all that apply​
kykrilka [37]

\cos(2x)  =  \cos(x)

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solution (2)

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for k=0 / for k=1 / for k=-1

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Note that i'm trying values of K which make the answer belong to our interval;

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3 years ago
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