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lucky1silky
07.10.2020 •
Mathematics
Marissa is 8 years older than lance. next year, lance will be 3 times lances age. how old is lance?
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Ответ:
The answer would be 3
Step-by-step explanation:
This is because, hope this makes sense, Shes 8 years older and the answer choices were: 3, 4, 11 and 12, well 3+8=11 and it says next year she will be 3 times his age, still being 8 years older, next year lance will be 4 and whats 3 years times 4, twelve. And whats 8 years older than four 12. Hope this makes sense but it has to be 3.
Ответ:
S.A. = 1,017.36
Step-by-step explanation:
S.A. =![\pi r^{2} + \pi rl](/tpl/images/1267/4164/aa0d6.png)
12 x 12 x 3.14 = 452.16
3.14 x 12 x 15 = 565.2
565.2 + 452.16 = 1,017.36