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3 years ago

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22, 24,27,27,25,25,25,23,24,32,28,20 a) Determine as mediana dessas idades a cima: b)Determine a amplitude dessas idades *COLOQU

E O CALCULO E RESULTADO PFVR*

1 answer:

Irina-Kira [14]3 years ago

3 0

Answer:

s

Step-by-step explanation:

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You bike 1 mile the first day of your training, 1.3 miles the second day, 1.9 miles the third day, and 3.1 miles the fourth d

JulsSmile [24]

Answer:

19.9 miles

Step-by-step explanation:

In this problem we have:

$d_1=1 mi$ is the distance travelled during the 1st day

$d_2=1.3 mi$ is the distance travelled during the 2nd day

$d_3=1.9 mi$ is the distance travelled during the 3rd day

$d_4=3.1 mi$ is the distance travelled during the 4th day

We notice that the difference between the distance travelled on the (n+1)-th day and the distance travelled on the n-th day doubles every day. In fact:

$d_2-d_1=0.3\\d_3-d_2=2\cdot 0.3 = 0.6\\d_4-d_3=2\cdot 0.6 = 1.2$

Which can be rewritten using the general formula:

$d_{n+1}-d_n=2(d_n-d_{n-1})$

This means that

$d_{n+1}=d_n+2(d_n-d_{n-1})$

By applying this formula recursively, we can find the 7th term, which is the distance travelled on the 7th day:

$d_1=1\\d_2=1.3\\d_3=1.9\\d_4=3.1\\d_5=3.1+2\cdot 1.2=5.5\\d_6=5.5+2\cdot 2.4=10.3\\d_7=10.3+2\cdot 4.8=19.9 mi$

So, the distance travelled on the 7th day is 19.9 miles.

7 0

3 years ago

5. In how many ways can four boys and three girls be seated in a row con taining seven seats ( a ) if they may sit anywhere , (

hram777 [196]

They can be sat 6 different ways

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2 years ago

Dr. Jane is studying the growing population of a species of jellyfish in a body of water. Each year, she records the population

olya-2409 [2.1K]

Answer:

983040

Step-by-step explanation:

Second Year : 15x4=60

Third Year : 60x4=240

Fourth Year : 240x4=960

Fifth Year : 960x4=3840

Sixth Year : 3840x4=15360

Seventh Year : 15360x4 = 61440

Eighth Year: 61440x4=245760

Ninth Year : 245760x4= 983040

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3 years ago

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The volume of a brick 3 inches wide, 8 inches long, and 4 inches tall is:

Vladimir [108]

96 square inches

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The amount of money it takes to fill up a gas tank varies directly with the number of gallons bought. It cost $21.87 to fill up

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