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anygoal [31]
3 years ago
6

A train heads south out of Bloomington an hour after a northbound train

Mathematics
1 answer:
ahrayia [7]3 years ago
7 0

9514 1404 393

Answer:

  • northbound: 2.5 hours
  • southbound: 1.5 hours

Step-by-step explanation:

When the second train leaves the station, the trains are already 63 miles apart. The rate of increase of their separation is (57 +63) = 120 miles per hour. The remaining 243-63 = 180 miles of separation will be achieved in ...

  (180 mi)/(120 mi/h) = 1.5 h

The northbound train will have traveled 2.5 hours; the southbound train will have traveled 1.5 hours when the trains are 243 miles apart.

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5 0
2 years ago
Write 42/100 in standard form as a decimal
iragen [17]

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0.42

Step-by-step explanation:

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3 0
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The total cost for 56 sixth-grade students to go on a field trip was $1,904. How much did the field trip cost per student?
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3 years ago
Suppose a principal amount of $7500 was invested at an interest rate of 6%. How long did it take to reach $10650?
Oliga [24]

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Given:

Principal=$7,500

Rate=6%

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Time=?

Simple Interest(SI)=A-P

=$10650-$7500

=$3150

Time=(100×SI)/(p×r)

T=(100×3150)/(7500×6)

T=315,000/45,000

T=7 years

Inconclusion how long did it take to reach $10650 is 7years.

Learn more here:

brainly.com/question/15610358

6 0
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