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navik [9.2K]
3 years ago
10

Find the sum of the first 5 terms of the infinite series: 8 + 18 + 28 +

Mathematics
2 answers:
PtichkaEL [24]3 years ago
4 0

Answer:

Step-by-step explanation:

140

Anna007 [38]3 years ago
3 0

Answer:

8 + 18+ 28+ 38+ 48= 140

Step-by-step explanation:

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Answer:

3x+12

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3(x+4)

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Please help will give you Brainliest *image
Drupady [299]

Answer:

5 folders and 5 pens = yes

6 pens and 6 erasers = yes

1 pen and 4 notebooks = no

3 folders and 7 erasers = no

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Step-by-step explanation:

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0.70 + 9.40 = 10.10

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3.98 + 6.23 = 10.21

(4 folders × 1.29) + (2 notebooks × 2.35)

5.16 + 4.70 = 9.86

7 0
2 years ago
A sales representative for a baby food company wants to survey 300 random couples who are new parents to find out if their newbo
AleksAgata [21]

Answer:

A. Yes, because each of the two outcomes are equally likely.

Step-by-step explanation:

A sales representative for a baby food company wants to survey 300 random couples who are new parents to find out if their newborn child is a boy or a girl.

The representative uses a 1 for a girl and a 2 for a boy when running a simulation.

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A. Yes, because each of the two outcomes are equally likely.

5 0
3 years ago
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Fofino [41]

\bf 0.2121\overline{21}\qquad \qquad \qquad x=0.2121\overline{21}\\\\ -------------------------------\\\\ \stackrel{\textit{moving the 21 to the left}}{\stackrel{100\cdot x}{100\cdot 0.2121\overline{21}}}\implies  21.2121\overline{21}\implies  \begin{array}{llll} 21&+&0.2121\overline{21}\\ 21&+&x \end{array} \\\\\\ therefore\qquad \qquad 100x  = 21+x\implies 99x=21 \\\\\\ x=\cfrac{21}{99}\implies x=\stackrel{simplified}{\cfrac{7}{33}}

5 0
3 years ago
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