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MrMuchimi
3 years ago
6

Shania is buying a car. She has narrowed her choice down to three cars: a sedan, a hatchback, and a wagon. She uses a spinner di

vided into three colored sections to decide which car to buy. She first spins the spinner 75 times to check the frequencies that it produces. Her results are shown in the table.

Mathematics
1 answer:
Olegator [25]3 years ago
7 0

Answer:

C.

Step-by-step explanation:

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Sequences:
joja [24]

Answer:

<u>The sequence is</u>

  • 1, 1 + 2, 1 + 2 + 3, 1  + 2 + 3 + 4, ...

Each term is the sum of the consecutive numbers from 1 to that number.

<u>The nth term is the sum of the first n numbers:</u>

  • aₙ = 1 + 2 + 3 + ... + n
  • aₙ = 1/2n(1 + n) (formula for sum of the n terms of arithmetic progression with the first term of 1 and common difference of 1)
  • aₙ = n(n + 1)/2

1) The number of circles in the nth pile is n(n + 1)/2

2) When n tends to infinity the number of circles tends to infinity

4 0
3 years ago
Pls help find the answer
o-na [289]

Answer:

I think it is 8

Step-by-step explanation:

I did the math on paper

3 0
3 years ago
Read 2 more answers
Help pls asap!!! Make sure to answer all of them!
Mariulka [41]

Answer:-4

-3

-2

Step-by-step explanation:

thx

3 0
2 years ago
If an experimenter conducts a t test for independent means and rejects the null hypothesis, the correct interpretation is that:
lisabon 2012 [21]

Answer:  C

Step-by-step explanation:

Rejecting the null hypothesis means we've found a significant difference in the means.  That means the probability that we'd see means so far apart by chance is less than our threshold of significance.

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3 years ago
Find the distance between J and K.
Viefleur [7K]

A graph can help you find the appropriate choice to be

... B. 8.49

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3 years ago
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