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lions [1.4K]
3 years ago
6

Please answer for all of these, I give brainiest! also points

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
6 0
#2: 3
#4: 8
#6: 7
#8: 7
#10: -4
#12: 3
#14: -9
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Two runners ran as a team in a 5,000-m relay race. the first runner ran 500 m farther than the second runner. how many meters di
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Let a = runner 2, a + 500 = runner 1.

a + (a + 500) = 5000
2a + 500 = 5000
2a = 4500
a = 2250

Runner 1 ran 2,750 meters. Runner 2 ran 2,250 meters.  
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When you have to put the percent over 100 the you would simplify it.
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Every week malik spends 5 2/15 hours doing his math homework and 2 13/30 hours doing his science homework. Estimate how much mor
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This is Simple, Just Subtract Time taken by Science homework from time taken by Maths homework..

= 5 \frac{2}{15} - 2 \frac{13}{30} \\ = \frac{150}{15} - \frac{73}{30} \\ = \frac{300 - 73}{30} \\ = \frac{227}{30} \\ = 7 \frac{17}{30} \: hours \: more.

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