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2 years ago

Find the area of a rectangle.

Mathematics

2 answers:

Mrrafil [7]2 years ago

8 0

Answer:

507.84

Step-by-step explanation:

ratio 6:4

to use this ratio divide 92 by 2 --> 46

then 6+4 = 10, so 46/10 = 4.6

4.6 x 6 = 27.6

4.6 x 4 = 18.4

27.6 x 18.4 = 507.84

i think anyway

34kurt2 years ago

6 0

Think 118 is the answe

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in 1930 the average cost for a gallon of gasoline was $0.25. in 2007 the average cost for a gallon of gasoline is $2.60 what is

AlekseyPX

Hello! The first thing to do is to find the amount of change by subtracting both numbers. 2.60 - 0.25 is 2.35. Now, we set up a proportion by doing change/original = x/100. With the values plugged in, it would be written like this: 2.35/0.25 = x/100. Cross multiply the values in the proportion. When you do, you get 235 = 0.25x. Now, divide each side by 0.25 to isolate the "x". When you do that, x = 940. The price of gas has gone up 940% since 1930.

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2 years ago

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2 years ago

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8x^3+9x^7+5x^3+2+7x^7

posledela

Answer:

16x^7+13x^3+2

Step-by-step explanation:

8x^3+9x^7+5x^3+2+7x^7

Add 8x^3 and 5x^3 (don’t add the exponents together )

13x^3+9x^7+2+7x^7

Add 9x^7 and 7x^7

13x^3+16x^7+2

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2 years ago

Use the row of numbers shown below to generate 12 random numbers between 01 and 99. 11097, 51877, 41665, 78465, 79932, 54899, 72

Nikolay [14]

The suitable numbers are:

11 09 75 18 77 41 66 57 84 65 79 93

Step-by-step explanation:

The random number line is used to generate random numbers between the given range

As the numbers have to be chosen between 01 to 99, two digit pairs will be made.

Every time a pair is chosen, it is checked whether it falls in the range or not. If it falls in the range, it is selected otherwise the number is ignored.

So,

Given random number line is:

11097, 51877, 41665, 78465, 79932, 54899, 72970, 71789

The pairs will be:

11 09 75 18 77 41 66 57 84 65 79 93 25 48 99 72 97 07 17 89

Hence,

The suitable numbers are:

11 09 75 18 77 41 66 57 84 65 79 93

Keywords: Random number line, statistics

Learn more about random number line at:

#LearnwithBrainly

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2 years ago

Refer to the data set of body temperatures in degrees Fahrenheit given in the accompanying table and use software or a calculato

Mariulka [41]

The mean of the dataset is the average, while the median is the middle element.

The mean and the median of the given dataset is 98.2
The results support the common belief that the mean body temperature is 98.6F

The mean of the dataset is calculated using:

$\bar x = \frac{\sum x}{n}$

So, we have:

$\bar x = \frac{99.2+ 99.2 +98.2+............+97.7}{48}$

$\bar x = \frac{4715}{48}$

$\bar x = 98.2$

The median position is:

$Median = \frac{1}{2}(n + 1)$

$Median = \frac{1}{2}(48 + 1)$

$Median = \frac{1}{2}(49)$

$Median = 24.5$

This means that the median is the average of the 24th and 25th element

Using the sorted dataset, we have:

$Median = \frac{1}{2}(98.2 + 98.2)$

$Median = 98.2$

Because the calculated mean and the common belief (98.6) are close, then we can conclude that the results support the common belief that the mean body temperature is 98.6F