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Akimi4 [234]
3 years ago
8

What is the 100th term in the sequence 5, 9, 13, 17, 21 ?

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0

Answer:

401

Step-by-step explanation:

a=5

d=9-5=4

a_{n}=a+(n-1)d\\a_{100}=5+(100-1)4=5+400-4=401

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the first four terms of a geometric progression are 2,10,50,250 a) write down the common ratio of the progression b) write down
VLD [36.1K]

Answer:

The common ratio is 5 and the 5th term is 1250

Step-by-step explanation:

The common ratio is given by

r=U(2)/U (1)

=10/2

=5

The fifth term

U (n)=ar^n-1

U(5)=2(5)^5-1

=2×5^4

=2×625

=1250

3 0
3 years ago
10. Mark and John both have jobs they work after school. Mark has a job mowing lawns that pays $7 per
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Answer:

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6 0
2 years ago
A distribution x is known to have a mean value of 5 and a standard deviation of 5. what is its mean square value (i.e., the expe
telo118 [61]
\mathbb V(X)=\mathbb E(X^2)-\mathbb E(X)^2
\implies 5^2=\mathbb E(X^2)-5^2
\implies\mathbb E(X^2)=50
8 0
3 years ago
The low temperature yesterday was -5 degrees F. the temperature rose as many degreese above zero as the low temperature was belo
Zina [86]

it is b i know it -5-5=0

8 0
3 years ago
37 points! The square root of 83 can be plotted on the number line below.
Nikitich [7]

Answer:

9.1 is the nearest tenth

9.11 to the nearest hundredth

just slightly to the right of 9.1

Step-by-step explanation:

sqrt(83)

sqrt(81) = 9

So we know that it is slightly greater than 9

9.1*9.1 =81.81

9.2*9.2=84.64

9.1 is closer

9.11 * 9.11 =82.9921

9.12 * 9.12 =83.1744

9.11 is closer

7 0
3 years ago
Read 2 more answers
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