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goldenfox [79]
3 years ago
8

Find the common ratio of the sequence. 2, -10, 50, -250, ...

Mathematics
2 answers:
storchak [24]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

ludmilkaskok [199]3 years ago
5 0
The common ratio is -5, note that each value is the previous value multiplied by -5.
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A six-sided Fair number cubis rolled 100 times as part of an experiment. The frequency of the role of the number 3 is 20. W hich
Anastasy [175]

Answer:

The Theoretical probability is 1/6.

The experimental probability is 1/5

Step-by-step explanation:

Given

Rolls: 100

Outcome of 3 : 20

Required

Which of the options is true (See attachment for options)

From the attachment, we understand that the question requires that we calculate the experimental and theoretical probability.

The experimental probability (E) is calculated as thus:

E = \frac{Outcomes}{Total\ Rolls}

E = \frac{20}{100}

E = \frac{1}{5}

The theoretical probability (T) is calculated as thus:

A cube has 6 faces, one of which is the face 3.

So, T is:

T = \frac{n(face\ 3)}{n(Total)}

T = \frac{1}{6}

Hence, C is true

4 0
3 years ago
if an office of 36 typist uses 12 dozen envelopes per day how many dozen envelope would an office of 125 typists of use?
Pani-rosa [81]
Assuming the envelope consumption is proportional to the number of typists, you have ...
  (12 dz)/36 = x/125
  125*(12 dz)/36 = x = 41 2/3

An office of 125 typists would use 41 2/3 dozen envelopes per day.
6 0
3 years ago
A cone with volume 2880 m³ is dilated by a scale factor of 1/4. What is the volume of the resulting cone?
labwork [276]
The volume of the cone is 2880 m3.
The scale factor is 1/4.
The volume of the cone has the formula (1/3)π r² h.
A scale factor of 1/4 will reduce the dimensions by 1/4 which will result to a total volume reduction of (1/4)³ = 1/64
The new volume will be 45 m3


5 0
3 years ago
Read 2 more answers
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baherus [9]
The correct answer is A $4.28 x 4 = $19.28
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2 years ago
F(×)= 5×-10. What is the vaule of f^-1 (-3)
Katena32 [7]
If I’m not mistaken I think this is what you’re asking for?

4 0
3 years ago
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