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ivann1987 [24]
3 years ago
12

If you convert ft to miles what operation would you use

Mathematics
1 answer:
kow [346]3 years ago
6 0
The ft you want to convert × 0.000189
because one ft= 0.000189
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What is the answer to 2.5 divided by 5
kondaur [170]
The answer is 0.5


2.5/5=0.5
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Solve and express to the lowest term 3 1/2 x 2 1/3 = ?
Rina8888 [55]

Answer:

8 \frac{1}{6}

Step-by-step explanation:

3 \frac{1}{2} × 2 \frac{1}{3} ( change to improper fractions )

= \frac{7}{2} × \frac{7}{3} ( multiply numerators and denominators )

= \frac{7(7)}{2(3)}

= \frac{49}{6}

= 8 \frac{1}{6}

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What is 25 hundreds 4 tens 12 ones in standard form
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The answer is 25,052
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A normally distributed data set has a mean of 0 and a standard deviation of 2. Which of the following is closest to the percent
frutty [35]

A normally distributed data set has a mean of 0 and a standard deviation of 2. The closest to the percent of values between -4.0 and 2.0 would be 84%.

<h3>What is the empirical rule?</h3>

According to the empirical rule, also known as the 68-95-99.7 rule, the percentage of values that lie within an interval with 68%, 95%, and 99.7% of the values lies within one, two, or three standard deviations of the mean of the distribution.

P(\mu - \sigma < X < \mu + \sigma)  \approx 68\%\\P(\mu - 2\sigma < X < \mu + 2\sigma)  \approx 95\%\\P(\mu - 3\sigma < X < \mu + 3\sigma)  \approx 99.7\%

A normally distributed data set has a mean of 0 and a standard deviation of 2.

Z=(x-\mu)/\sigma

P(x=-0.4)\\\\z=(-0.4-0)/2\\\\= -0.2\\\\P(x=2)\\z=(2-0)/2\\\\=1

P(-0.4 < x < 2)=p(-0.2 < z < 1)=p(-0.2 < z < 0)+p(0 < z < 1)……….(by symmetry)

=.49865+.3413

.83995…….(by (http://83995…….by) table value)

=.8400 × 100

=84%

Learn more about the empirical rule here:

brainly.com/question/13676793

#SPJ2

4 0
1 year ago
A special deck of cards consists of 5 red cards, 20 blue cards, and 25 green cards. Svetlana selects 1 card from the special dec
Ipatiy [6.2K]

Answer:The answer is 50

Step-by-step explanation:

The first step is to add up the numbers in order to get the outcome

5 red + 20 blue +25 green =5+20+25 =50

Step 2

Probability =no of events /no of outcome

We were asked to find the probability of red

Where red represent event

And the summation of red ,green and blue represents outcome .

So probability of red =5/50 = 1/10

Step 3

Recall in the question ,we were told that the card was selected 500 times ,so we multiply the probability of getting red by 500

1/10 *500 =50

Therefore the probability of drawing a red card from the special deck 500 times is 50 .

7 0
3 years ago
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