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AVprozaik [17]
3 years ago
5

What is the volume of the pyramid in the diagram?

Mathematics
1 answer:
vekshin13 years ago
7 0

Answer:

A

Step-by-step explanation:

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I think u posed to multiply or divide
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AURORKA [14]
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The total number of fungal spores can be found using an infinite geometric series where a1 = 8 and the common ratio is 4. Find t
GalinKa [24]

Answer:

S_{n} = \frac{2(4^{n}-1) }3} if r>1

Step-by-step explanation:

Explanation:-

<u>Geometric sequence</u>:-

The geometric sequence is of the form

a,ar,ar^{2},ar^{3} ……… be an infinite sequence

here first term is 'a' and ratio is 'r '

In this geometric sequence 'n' t h term is t_{n} = a r^{n-1}....(1)

Given data  a1 term is '8 ' and ratio is '4'

substitute n=1 in equation(1)

t_{1} = a r^{1-1} = 8

ar=8...........(2)

substitute r= 4 in equation(2)

now we get        a(4)=8

dividing "4" on both sides , we get   a = 2

<u>Geometric series</u>:-

a+ar+ar^{2}+ar^{3}+.....is an infinite geometric series.

sum of this infinite series will be the upper limit of the fungal spores

that is we have to find sum of infinite series

S_{n} = \frac{a(r^{n}-1) }{r-1} if r>1

S_{n} = \frac{2(4^{n}-1) }{4-1} if r>1

S_{n} = \frac{2(4^{n}-1) }3} if r>1

<u>Final answer:</u>-

sum of this infinite series will be the upper limit of the fungal spores

S_{n} = \frac{2(4^{n}-1) }3} if r>1

5 0
3 years ago
fore every touchdown scored by the timberwolves the mascot does 3 back flipps the cleearleaders set off 6 cannons how many touch
son4ous [18]
If the cheerleader sets 18 cannons there has been 3 touchdowns 6x3=18
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What is the sale price for your purchase if you have a 20% off coupon and you buy a shirt for $19.99 and pants for $10.
Andrew [12]
Answer: I believe it is $23.99

Explanation:
19.99+10= 29.99
29.99x0.2= 5.992
29.99-5.99= $23.99

I hope this helped!
4 0
3 years ago
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