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Bingel [31]
3 years ago
8

Word problems ANSWER ASAP

Mathematics
1 answer:
patriot [66]3 years ago
7 0
Let the speed of current be x km/ hr 
Upsetram  = ( 6.5 -x) km/ hr
Downstram = ( 6.5 + x) km/ hr 
Distance = Speed x Time 

5 ( 6.5-x) = 2 ( 6.5+x) 
32.5 -5x =13 +2x 
7x = 19.5 
x =2.7857142 km/ hr 
ANSWER: 2.79 km/ hr
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<u>Answer:</u>

Total Volume of composite figure = 635.2 cm³

<u>Steps:</u>

  • 1.

CV = h×3.14×(d/2)²

CV = 5×3.14(8/2)²

CV = 5×3.14(4)²

CV = 5×3.14×16

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  • 2.

RV = h×w×l

RV = 4×8×12

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RV = 384 cm³

  • 3.

TV = CV + RV

TV = 251.2 + 384

TV = 635.2 cm³

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Based on the given conditions, formulate:

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