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lutik1710 [3]
3 years ago
11

PLEASE HELP!!! BRAINLIESt!! THANK YOUU

Mathematics
2 answers:
vredina [299]3 years ago
7 0

Answer:

ok

Step-by-step explanation:

g100num [7]3 years ago
4 0

Answer:

4 I think

Step-by-step explanation:

please don't be mad if it's wrong I suck at math

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Which is a closer estimate of pi? Explain your answer.
nydimaria [60]
The fraction 22/7 has a value of 3.142857, so it has the same first three digits as pi. Both 3.14 and 22/7 are approximations of pi. In fact, 22/7 is close to pi than 3.14 is. Pi is irrational. That is, the decimal expansion never ends and never repeats, so any number of decimal places we wrote out is an approximation. The approximation 3.14 is about 1/2 percent off from the true value, and the fairly well know 3.141559 is within 0.000084 percent.
6 0
3 years ago
The mean cost for a pint of frozen yogurt is $1.50, with a standard deviation of $0.10.
djverab [1.8K]

Answer:

The correct answer is:

0.01$ (c)

Step-by-step explanation:

Standard deviation is a measure of how spread out numbers are from the mean value. The formula for standard deviation is given by:

s = \sqrt{\frac{\sum(x - \bar x)}{n} } \\where:\\x = sample\ \\\bar x\ = mean\\n\ = number\ of\ samples\

Variance is a measure of the squared differences from the mean.

Variance is simply the square of the standard deviation. It is mathematically shown as:

s^2 = \frac{\sum(x - \bar x)}{n} }

Now in our example,

Stabnard deviation = $0.10

Variance = (standard deviation)²

Variance = (0.10)²

Variance = $0.01

6 0
3 years ago
What is the answer to (-5)(-44)1/5
slavikrds [6]

Answer:

44

Step-by-step explanation:

((−5)(−44))(1)

5

=

(220)(1)

5

=

220

5

=44

4 0
3 years ago
Find the radius of a circle in which the central angle, a, intercepts an arc of the given length
Nataly [62]

Answer:

17.2 in

Step-by-step explanation:

The formula for arc length is s = rФ.  Here we are to find r.  Solving this formula for r, we get:

r = s/Ф

So, in this problem, r = (9 in) / (π/6) = 54/π in ≈ 17.2 in

4 0
3 years ago
You bought your brand new car for $32,500 and it depreciates by 10% each year. How much would your car be worth after 5 years?
katen-ka-za [31]

32,500 x .10= 3,250

3250 x 5 = 16,250

32,500 - 16250 = 16250

7 0
3 years ago
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