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babymother [125]
2 years ago
5

Reuben jogs 2.25 miles every weekday.Every Saturday and Sunday ,he jogs 1.8 times as far. To the nearest hundredth , how many mi

les does Reuben jog in 2 full calendar weeks?
Mathematics
1 answer:
lesya [120]2 years ago
4 0

Answer:

  38.70 miles

Step-by-step explanation:

Each week, Reuben jogs ...

  (2.25 mi)(1 +1 +1 +1 +1 +1.8 +1.8) = (2.25 mi)(8.6)

Then in 2 weeks, he jogs ...

  2(2.25)(8.6) mi = 38.70 mi

Reuben jogs 38.70 miles in 2 full weeks.

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this afternoon dan left school, rode the bus 11/12 of a mile, and then walked 1/3 of a mile to get home. how much farther did da
nika2105 [10]

Dan rode 7/12 miles farther than walk after school.

<h3>What is a fraction?</h3>

Any number of equal parts is represented by a fraction, which also represents a portion of a whole. A fraction, such as one-half, eight-fifths, or three-quarters, indicates how many components of a particular size there are when stated in ordinary English.

To compare both the fractions we will make the denominators similar and then subtract them to know the distance.

So the walking distance is 1/3 miles

This is also equal to 4/12 miles. (By multiplying both denominator and numerator with 4)

Now subtract 11/12 and 4/12

11/12-4/12 = 7/12 miles.

Therefore, Dan rode 7/12 miles farther than walk after school.

To know more about Fractions, Visit:

brainly.com/question/10354322

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6 0
1 year ago
Wee Ling had 5/7m of ribbon she used 1/10 of it to tie a persent what was the length of the ribbon used to tie the present? Give
Kitty [74]

Answer:

0.0714285metres, 0.07 metres

Step-by-step explanation:

100÷7 = 14.285...

5x14.285..=71.4285...

1/10 x 71.4285cm =7.142, 0.07metres

3 0
2 years ago
The distribution of head circumference for full term newborn female infants is approximately normal with a mean of 33.8 cm and a
enyata [817]

Using the normal distribution, it is found that 95.65% of full term newborn female infants with a head circumference between 31 cm and 36 cm.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 33.8, \sigma = 1.2

The proportion of full term newborn female infants with a head circumference between 31 cm and 36 cm is the <u>p-value of Z when X = 36 subtracted by the p-value of Z when X = 31</u>, hence:

X = 36:

Z = \frac{X - \mu}{\sigma}

Z = \frac{36 - 33.8}{1.2}

Z = 1.83

Z = 1.83 has a p-value of 0.9664.

X = 31:

Z = \frac{X - \mu}{\sigma}

Z = \frac{31 - 33.8}{1.2}

Z = -2.33

Z = -2.33 has a p-value of 0.0099.

0.9664 - 0.0099 = 0.9565.

0.9565 = 95.65% of full term newborn female infants with a head circumference between 31 cm and 36 cm.

More can be learned about the normal distribution at brainly.com/question/24537145

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4 0
2 years ago
ALGERBRA!!! Help!! 20 Branly!!!
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  A) intercepts: zero profit; maximum: maximum profit. increasing: x < 4; decreasing x > 4
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The government is the largest provider of public goods and services. give two examples of public goods and/or
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Law enforcement and public education
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