2 years ago

6 weeks = year assuming a 52 week year

Mathematics

1 answer:

sp2606 [1]2 years ago

5 0

Answer:

6 weeks = a (1 year)^2 52 weeks

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Find the sum of the geometric series given a1=2, r=−3, and n=8.

inn [45]

Answer:

Sum of the G.P is -3280

Step-by-step explanation:

Summation:

${ \bf{sum = \frac{a( {r}^{n }-1 )}{r - 1} }} \\ \\ { \tt{sum = \frac{2( { { - 3}^{8 } -1)} }{ - 3 - 1} }} \\ { \tt{ = \frac{13120}{-4} }} \\ = -3280$

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3 years ago

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a culture started with 2000 bacteria. after 6 hours it grew to 2400 bacteria. predict how many bacteria will be present after 16

valentina_108 [34]

Hi!

Let's find how much bacteria it grows per hour.
2400 - 2000 = 400
bacteria per (divided by) hour
400/6 = 66.7
After 16 hours...
66.7 x 16 = 1067.2
Plus the original amount of bacteria
1067.2 + 2400 = 3467.2

The answer is 3067.2

Hope this helps! :)
-Peredhel

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2 years ago

The base radius of a cone is 8 mm, and it’s volume is 320mm. What is its height ?

nexus9112 [7]

The height is around 4.77 mm

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3 years ago

What is the vertex of r(x) ? Use r(x)=1/2(x+9)(x-5)

IceJOKER [234]

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