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d1i1m1o1n [39]
3 years ago
5

Use the subway train schedule below to answer the question.

Mathematics
1 answer:
Aliun [14]3 years ago
6 0

Answer:

  40 minutes

Step-by-step explanation:

The least common multiple of 8 minutes and 10 minutes is ...

  LCM(8, 10) = 8·10/GCD(8, 10) = 80/2 = 40

The red and blue trains will arrive together again in 40 minutes.

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8 0
3 years ago
Paul opens a savings account with $350. He saves $150 per month. After how many months will Paul have $2150 in the account?​
Debora [2.8K]

Answer:

12 months

Step-by-step explanation:

2150-350=1800

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3 0
3 years ago
HELP ME PLEASE ASAP?!?What is the value of y?
Snezhnost [94]
Answer: y = 57°

Explanation: 180-114 = 66°

A triangle has a total of 180° so 180-66 = 114

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Hope this helps :)
7 0
3 years ago
Kevin and Randy Muise have a jar containing 70 coins, all of which are either quarters or nickels. The total value of the coins
Nikitich [7]

Answer:

50 nickels, 20 quarters.

Step-by-step explanation:

System of equations (q = # of quarters, n = # of nickels):

<em>q + n = 70, 0.25q + 0.05n = 7.50</em>

the first equation can be changed to q = 70 - n, so we are able to <em>substitute q with 70 - n</em>.

So, it will look like <em>0.25*70 - 0.25n + 0.05n = 7.50</em>. This can be simplified to <em>0.2n = 10</em>, which means that n = 50.

Knowing that we can solve <em>q + 50 = 70</em>, which means that q = 20.

6 0
3 years ago
Two times p plus five is greater than or equal to three times p minus ten
hjlf

Answer:

2p + 5  ≥ 3p - 10

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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