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Thepotemich [5.8K]

3 years ago

7

Thirty four and nine ten thousandths

1 answer:

dybincka [34]3 years ago

7 0

34.100 efefref evf dewdcec

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Use the arithmetic sequence of numbers 1, 3, 5, 7, 9,.to find the following:

Rasek [7]

$a)\\\\
a_{n+1}-a_n=d\\
for\ n=1\\
a_2-a_1=d\\
d=3-1=2\ - difference\ between\ two\ consecutive\ terms\\\\
b)\\
a_n=a_1+(n-1)d\\
n=101\\
a_{101}=1+(101-1)*2\\
a_{101}=1+100*2=200+1=201\\\\
c)\\
Sn=\frac{a_1+a_n}{2}*n\\
n=20\\
a_n=a_{20}=1+(20-1)*2=1+38=39\\
Sn=\frac{1+39}{2}*20=400\ \ Sum\ of\ the\ first\ 20 \ numbers.$

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3 years ago

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3 years ago

Mr. Bonet has a fair coin labeled “heads” and “tails.” He will flip the coin 6 times and record his results. What is the probabi

omeli [17]

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The probability of it landing tails on all 6 flips is 1/6 chance.

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3 years ago

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Marrrta [24]

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10 plus what number equals -4

Georgia [21]

Answer:

$10 + x = - 4 \\ x = - 4 - 10 \\ x = - 14$

6 0

4 years ago

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