Mathematics: 3. Samantha is training to run a marathon. The first week she runs 4 km each day. The next week, she runs 7 km each day. During each successive week (each week following), each day she runs 3 km farther than she ran the days of the previous week. If she runs for five days each week, what total distance will Sara run in a 12-week training session?

3. Samantha is training to run a marathon. The

Ответ:

PerfectMagZ

29.04.2021

1,230km

Week 1 = 5 x 4km = 20
Week 2 = 5 x 7km = 35
Week 3 = 5 x 10km = 50
Week 4 = 5 x 13km = 65
Week 5 = 5 x 16km = 80
Week 6 = 5 x 19km = 95
Week 7 = 5 x 22km = 110
Week 8 = 5 x 25km = 125
Week 9 = 5 x 28km = 140
Week 10 = 5 x 31km = 155
Week 11 = 5 x 34km = 170
Week 12 = 5 x 37km = 185

= 1230km

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Ответ:

babyari18

21.08.2021

Mathematics

$Area\: of \: square=side^2\\x^{10}=side^2\\side=\sqrt{x^{10}}\\side=\sqrt{x^2 \times x^2 \times x^2 \times x^2 \times x^2}\\side=x \times x \times x \times x \times x\\side=x^5$

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