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2 years ago

Is 11.28 rational PLZ HURRY

Mathematics

2 answers:

hram777 [196]2 years ago

7 0

Answer:

Yes

Step-by-step explanation:

11.28 is a number which can be produced in the form of fraction, and a fraction is a rational number.

9966 [12]2 years ago

6 0

Answer:

Step-by-step explanation:

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Solve for X<br> 3x - 6 = 30

Aleksandr [31]

Answer:

The answer is x=12

Step-by-step explanation:

3x - 6 = 30

3x-6+6=30+6

3x=36

To find x divide both sides by 3.

3x/3=36/3

x=12

3 0

2 years ago

Listed below are prices in dollars for one night at different hotels in a certain region. Find the range, variance, and standar

Vanyuwa [196]

Answer:

Range = $115

Variance = $1915.2857

Standard deviation = $43.764

Step-by-step explanation:

Given the data:

234 160 119 131 218 207 146 141

Arranging in ascending order :

119, 131, 141, 146, 160, 207, 218, 234

The range = maximum - minimum

The range = 234 - 119 = 115

The variance :

Σ(x - mean)²/n-1

The mean = Σx / n

The mean = 1356 / 8 = 169.5

Variance :

Σ(x - mean)² = (119-169.5)² + (131-169.5)² + (141-169.5)² + (146-169.5)² + (160-169.5)² + (207-169.5)² + (218-169.5)² + (234-169.5)² = 13407

n - 1 = 8 - 1 = 7

Variance = 13407 / 7 = 1915.2857

Standard deviation = √variance

Standard deviation = √1915.2857

Standard deviation = $43.764

8 0

2 years ago

John spent $75 on a shopping trip for new clothes last week. He had expected to spend $100 on clothes. table How much was the ab

kolezko [41]

Answer:

$\$\ 25$

Step-by-step explanation:

By definition, the absolute error is defined as:

$\epsilon = |x_a - x_e|$

Where:

$\epsilon$ : is the error

$x_a$ : is the approximate value

$x_e$ : is the exact value

In this problem the approximate value was 100 and the exact value was 75. Then we substitute these values in the formula to find the error.

$\epsilon = |100 - 75|\\\epsilon = \$\ 25$

3 0

2 years ago

Read 2 more answers

A basketball is shot into a 10ft. Goal from a height of 6.5 feet. The function h= -0.875t2 + 3.5t + 6.5 represents the path of t

Galina-37 [17]

Answer: how do I graph this

Step-by-step explanation:

3 0

3 years ago

Please help me solve!

Elina [12.6K]

Answer:

Step-by-step explanation:

Comment

There are a number of ways of doing this problem. I don't know which method you are intended to use. One sure way in this case is graphing the equation, I have done this for you. See below. The maximum volume occurs where x = 2

The graph shows that there is a peak at x = 2. That is where the maximum volume is,

Answer

x = 2

6 0

1 year ago