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3 years ago

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Mathematics

1 answer:

lina2011 [118]3 years ago

5 0

To find the median, place the given numbers in order of their value and find the middle number.

Here we have:

57, 61, 58, 54, 68, 51, 49, 64, 50, 48, 65, 52, 56, 46, 47, 55, 42, 60, 62, 43, 69, and 70.

Arranging them in order from least to greatest, we have:

42, 43, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 64, 65, 68, 69, and 70.

There are 22 numbers total; the median will be the mean of the middle two numbers, which are 55 and 56.

To find the mean, add the numbers together and divide the sum by 2.

55 + 56 = 111

111 / 2 = 55.5

The median of the ages of the US Presidents at the time of their inauguration is 55.5 years.

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Can you please help me with this one please

son4ous [18]

The volume of this box is indeed 84 in^3. What were you looking for beyond that?

Base: (7 in)(3 in) = 21 in^2
Height: 4 in
volume = (21 in^2)(4 in) = 84 in^3 (answer)

5 0

4 years ago

Read 2 more answers

The volume of both of these trapezoidal prisms is 24 cubic units. Their heights are 6 and 8 units, as labeled. What is the area

Ne4ueva [31]

Answer:

area of a trapezoidal base of each prism with heights 6 and 8 units are 4 square units and 3 square units respectively

Step-by-step explanation:

Let us first be aware of formula of volume for any regular geometrical figure.

Fundamental formula for volume for any regular geometrical figure is.

volume = area of cross section of object* height of object (A)

In the problem stated area of cross section of object will be area of a trapezoidal base.

Given in the question is

Volume of both the trapezoidal prisms = 24 cubic units

*************************************************************************************

For prism with height 6 unit

Substituting the value of height and volume in formula for trapezoidal prisms

24 = 6 * area of a trapezoidal base

=> area of a trapezoidal base = 24/6 = 4 square units

*************************************************************************************

For prism with height 8 unit

Substituting the value of height and volume in formula for trapezoidal prisms

24 = 8 * area of a trapezoidal base

=> area of a trapezoidal base = 24/8 = 3 square units

*************************************************************************************

Therefore area of a trapezoidal base of each prism with heights 6 and 8 units are 4 square units and 3 square units respectively.

7 0

3 years ago

Read 2 more answers

Solve 4|x + 6| = 16

Galina-37 [17]

4 | x + 6 | = 16

Divide both sides by 4.

$\bf{\dfrac{4|x+6|}{4}=\dfrac{16}{4} }$

$\bf{|x+6|=4 }$

Absolute value is solved.

$\bf{|x+6|=4 }$

We know either x + 6 = 4 or x + 6 = -4.

x + 6 = 4 (Possibility 1)

x + 6 - 6 = 4 - 6 (Subtract 6 from both sides)

x=−2

x + 6 = -4 (Possibility 2)

x + 6 - 6 = -4 - 6 (Subtract 6 from both sides)

x=-10

Solution:

x=−2 or x=−10

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3 0

2 years ago

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The cost of y renting a car for X days is $10.99 for each half day what is the cost per day of renting a car?

Harrizon [31]

21.98 is the answer because 10.99 plus 10.99 equals 21.98

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4 years ago

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julsineya [31]

Answer:

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3 years ago