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Rufina [12.5K]
2 years ago
9

-2.7f + 0.3f - 16 - 4=

Mathematics
1 answer:
suter [353]2 years ago
3 0

Answer:

-2.4f or -8 1/3

Step-by-step explanation:

I am not sure what should be at the end of the equal sign but if it is to simplify it would be -2.4f-20

If you want to solve then you get -2.4f=20 so f=-20/2.4 which equal to -8 1/3

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Determine the sum of the arithmetic series: 5+18 +31 +44 + ... 161.
Finger [1]

Answer:

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Step-by-step explanation:

Hello,

18-5 = 13

31-18=13

44-31=13

161=5+13*12

So we need to compute

\displaystyle \sum_{k=0}^{k=12} \ {(5+13k)}\\\\=\sum_{k=0}^{k=12} \ {(5)} + 13\sum_{k=1}^{k=12} \ {(k)}\\\\=13*5+13*\dfrac{12*13}{2}\\\\=65+13*13*6\\\\=65+1014\\\\=1079

Thanks

3 0
3 years ago
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Sveta_85 [38]

Answer:

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3 years ago
Sara and Jon each ordered a medium pizza. Sara ate 3/8 of her pizza for lunch and 1/4 for a snack. Jon ate 1/2 of his pizza for
Tema [17]
Jon ate 1/8 more of the pizza.

8 0
3 years ago
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Ivanshal [37]

Answer:

37.5%

Step-by-step explanation:

12\32 = 6\16=3\8 =0.375

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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
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