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3 years ago

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Mathematics

2 answers:

Digiron [165]3 years ago

7 0

Mean 49 median 48 is the answer

Anna [14]3 years ago

5 0

Answer:

Mean: 49

Median: 48

Step-by-step explanation:

The mean is the total of all the values by adding them all together, then divided by the number of values.

The median is the middle number in the order of lowest to highest.

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The radius of a circle is 9 inches. What is the circle's area? Use 3.14 for .

Anna007 [38]

Answer:

254.34 in²

Step-by-step explanation:

Area of a circle

A = πr²

r = radius of the circle

Solving

A = 3.14 x (9)²
A = 3.14 x 81
A = 254.34 in²

5 0

2 years ago

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Solve the inequality for x. Show each step of the solution.10x > 2(8x – 3) – 18

Luden [163]

Answer: x<4

Given the inequality:

$10x>2(8x-3)-18$

We want to solve the inequality for x.

First, distribute the bracket on the right side of the inequality.

$\begin{gathered} 10x>2(8x)-2(3)-18 \\ 10x>16x-6-18 \\ 10x>16x-24 \end{gathered}$

Next, subtract 10x from both sides of the inequality.

$\begin{gathered} 10x-10x>16x-10x-24 \\ 0>6x-24 \end{gathered}$

Add 24 to both sides of the inequality.

$\begin{gathered} 0+24>6x-24+24 \\ 24>6x \end{gathered}$

Divide both sides of the inequality by 6.

$\begin{gathered} \frac{24}{6}>\frac{6x}{6} \\ 4>x \\ \implies x$

The solution to the inequality is x<4.

6 0

1 year ago

Can someone help me with the question below. just number #1 please :)

Elenna [48]

Answer:

${ \bf{ \bar {MN}} \: means \: length \: between \: M \: and \: N}$

MN means line joining point M to point N.

7 0

3 years ago

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A pool measuring 8 meters by 28 meters is surrounded by a path of uniform width, as shown in the figure. If the area of the poo

Greeley [361]

28 because the wiishddbehehhe is wide enough

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3 years ago

The object below was made by placing a cone on top of a cylinder. The base of the cone is congruent to the base of the cylinder.

Ber [7]

Answer:

Part 1) The volume of the object is $32\pi\ cm^{3}$ or $100.48\ cm^{3}$

Part 2) see the procedure

Step-by-step explanation:

The picture of the question in the attached figure

Part 1) What is the volume, in cubic centimeters, of the object?

we know that

The volume of the object is equal to the volume of the cylinder plus the volume of the cone

Find the volume of the cone

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2} h$

we have

$r=4/2=2\ cm$ -----> the radius is half the diameter

$h=3\ cm$

substitute the values

$V=\frac{1}{3}\pi (2^{2})(3)=4\pi\ cm^{3}$

Find the volume of the cylinder

The volume of the cylinder is equal to

$V=\pi r^{2} h$

we have

$r=4/2=2\ cm$ -----> the radius is half the diameter

$h=(10-3)=7\ cm$

substitute the values

$V=\pi (2^{2})(7)=28\pi\ cm^{3}$

Part 2) Then explain how you found the volume of the total shape

The volume of the total shape is equal to the volume of the cylinder plus the volume of the cone

$4\pi\ cm^{3}+28\pi\ cm^{3}=32\pi\ cm^{3}$ ------> exact value

Find the approximate value of the volume

assume

$\pi=3.14$

$32(3.14)=100.48\ cm^{3}$

7 0

3 years ago

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