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2 years ago

In beijing in 2008 the womens 3,000 meter steeplechase became an olympic event what is the distence in kilometer

Mathematics

1 answer:

Talja [164]2 years ago

8 0

1,000 meters=1 kilometer

$\frac{3000}{1000}=3$

Answer: 3 km

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Create three geometric sequences of your own (including one that is decreasing). Extend your sequences to include five terms. Th

Karo-lina-s [1.5K]

Answer:

a) $a_n=5\,\,(2)^{n-1}$

b) $b_n=100\,\,(\frac{1}{2} )^{n-1}$

c) $c_n=160\,\,(-\frac{1}{2} )^{n-1}$

Step-by-step explanation:

a) Geometric sequence with first term 5 and common ratio 2, where the nth term can be calculated via:

$a_n=5\,\,(2)^{n-1}$

The first five terms are: $a_1=5;\,\,\,a_2=10;\,\,\,a_3=20; \,\,\,a_4=40;\,\,\,a_5=80$

b) Geometric sequence with first term 100 and common ratio 1/2, where the nth term can be calculated via:

$b_n=100\,\,(\frac{1}{2} )^{n-1}$

The first five terms are: $a_1=100;\,\,\,a_2=50;\,\,\,a_3=25; \,\,\,a_4=12.5;\,\,\,a_5=6.25$

c) Geometric sequence with first term 160 and common ratio -1/2, where the nth term can be calculated via:

$c_n=160\,\,(-\frac{1}{2} )^{n-1}$

The first five terms are: $a_1=160;\,\,\,a_2=-80;\,\,\,a_3=40; \,\,\,a_4=-20;\,\,\,a_5=10$

4 0

2 years ago

Which answer choice

joja [24]

Answer: b

Step-by-step explanation: I did this on a test before

7 0

1 year ago

What are the zeros of x (3 - 18x) = 0 ?

tresset_1 [31]

Answer:

x=3⋅± 2

=±4.2426

x=0

Step-by-step explanation:

6 0

2 years ago

When you divide with negative exponents, you divide the rational numbers like normal and then you add the exponents.

Doss [256]

Answer:

the same as multiplying them, except you're doing the opposite: subtracting where you would have added and dividing where you would have multiplied. If the bases are the same, subtract the exponents. Remember to flip the exponent and make it positive, if needed.

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Help with this number 3)is 2×=-8

IRISSAK [1]

2x= -8
2x/2=-8/2
X= -4

6 0

2 years ago