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tiny-mole [99]
3 years ago
9

Is 8 ,5,1 and -4 an arithmetic sequence.

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0

Answer:

The sequence is not geometric or arithmetic because there is no common difference or common ratio between each term.

Not a Geometric or Arithmetic Sequence

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If you choose each randomly, what is the probability that you choose a peach pie and coffee? Write as a simplified fraction.
emmasim [6.3K]

Answer:

1\4

Step-by-step explanation:

i did it out of 100 i choose 25/100

then id you simplified that 25 goes into 100 4 times 25 goes into int self one time so the answer is 1/4

4 0
2 years ago
Jonah has a recipe that uses 1 1/2 cups of brown sugar and 2 1/3 cups of flour to make 24 muffins. He has a total of 7 cups of f
ra1l [238]
7  / 2 1/3 = 7/1 / 7/3 = 7/1 * 3/7 = 21/7 = 3 ( enough flour for 3 batches of muffins)

1 1/2 * 3 = 4 1/2 cups of brown sugar needed
6 0
2 years ago
Read 2 more answers
Consider the given function of an arithmetic sequence.<br><br> f(n) = -5n + 8
Goshia [24]

Answer:

f(9) = -37

Step-by-step explanation:

f(n) = -5n + 8

f(9) = -5(9) + 8

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f(9) = -37

8 0
2 years ago
Please tell me what the area formula and circumference formula is for a circle?
Whitepunk [10]
The formula for the Circumference of a circle is 2•Pi•R, or 2•Radius•3.14
This is to calculate the measurements around the circle.

The formula for the Area of a circle is Pi•R^2, or 3.14•R•R
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I hope this helps!
5 0
3 years ago
In a large population, 82% of the households have cable tv. A simple random sample of 225 households is to be contacted and the
anzhelika [568]

Answer:

The mean of the sampling distribution of the sample proportions is 0.82 and the standard deviation is 0.0256.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For proportions, the mean is \mu = p and the standard deviation is s = \sqrt{\frac{p(1-p)}{n}}

In this problem, we have that:

p = 0.82, n = 225.

So

\mu = 0.82

s = \sqrt{\frac{p(1-p)}{n}} = \sqrt{\frac{0.82*0.18}{225}} = 0.0256

The mean of the sampling distribution of the sample proportions is 0.82 and the standard deviation is 0.0256.

7 0
3 years ago
Read 2 more answers
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