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fenix001 [56]
3 years ago
10

What is the value of n? 4x28+6x17-15=n

Mathematics
2 answers:
ad-work [718]3 years ago
8 0

4 \times 28 = 112 + 6 \times 17 = 214 - 15 = 199
baherus [9]3 years ago
3 0

Answer:

n=199

Step-by-step explanation:

4 x 28 + 6 x 17 - 15 = n

multiply the numbers

112 + 102 - 15 = n

add and subtract

112+102=214

214-15=199

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Sebastian swam laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In th
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Answer:

\text{Average rate}=\frac{\text{40 laps}}{\text{ hour}}

Step-by-step explanation:

Please consider the complete question.

Sebastian swan laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In that time, he swam 1800 laps. What was his average rate in laps per hour?    

Let us convert time taken into hours as:

\text{Days}=5\times 12=60

\text{Minutes}=60\times 45

1 hour = 60 minutes. To convert minutes into hours, we will divide total minutes by 60.

\text{Hours}=\frac{60\times 45}{60}=45

Now, we will divide 1800 by 45 to find average rate in laps per hour as:

\text{Average rate}=\frac{\text{1800 laps}}{\text{45 hours}}

\text{Average rate}=\frac{\text{40 laps}}{\text{ hour}}

Therefore, Sebastian's average rate is 40 laps per hour.

6 0
2 years ago
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6 0
3 years ago
Which expression represents the phrase, "one fifth the sum of 14 and a number"?
Mkey [24]

Answer:

1/5(14+×)

Step-by-step explanation:

The sum of 14 and x has to be (14+x)

5 0
3 years ago
the population in a town is 10,000. The population is growing at a rate of 0.08. what will the population be in 10 years
cestrela7 [59]

Hope this helps have a nice day!!!!

7 0
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Step-by-step explanation:

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