What is the EXACT volume of this composite figure? *
Captionless Image

A

B

C

Answer:

203.25 (1 = remainder)

Step-by-step explanation:

Answer:

15.4:8.2

59.29:31.57

31.57:16.81

Step-by-step explanation:

The first one is found by doubling both numbers.

The second one is found by multiplying both numbers by 7.7.

And the final ratio is found by multiplying both numbers by 4.1.

The perimeter of a nonagon is the sum of its side lengths

The perimeter of the regular nonagon is 840.7 units

The in-radius of the regular nonagon is given as:

r =17

The perimeter is then calculated as:

[tex]P = \frac{18r}{\tan(pi/9)}[/tex]

Substitute 17 for r

[tex]P = \frac{18 * 17}{\tan(pi/9)}[/tex]

Evaluate the product of 18 and 17

[tex]P = \frac{306}{\tan(pi/9)}[/tex]

Evaluate the quotient

[tex]P =840.7[/tex]

Hence, the perimeter of the regular nonagon is 840.7 units

Read more about perimeters at:

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Answer: 2.

Step-by-step explanation: Write the equation of the circle using h = 2, k = –1, and r = ... (x – 1). 2. + y. 2. = 4 is a circle with center (1, 0) and a radius of 2.

Answer:

16. 4 6/8 or 4 3/4

17. 3 chairs

18. 320 cars

19. 10 students

Step-by-step explanation:

15. Not enough Information. I need to know how many pencils she had in all

The Mean is simply the average of all the numbers. Meaning(see what I did there):
The answer is D) 49.3

To find the Mean all you have to do is find the average for all the numbers. That's what a Mean is. So put simply all you have to do is add all the numbers and divide by how many there are.
43+55+51+62+64+38+35+45+51 =
444 / 9 ≈
49.3 or 49.333333333333333333...
~Neo

Answer: [tex]x < -27.7142857[/tex]



Step-by-step explanation:

First, you move 11 to the right side, resulting in 14x > -338

Then you divide -388 by 14, which is 27.7142857, so the final statement is

[tex]x < -27.7142857[/tex]Could you give me the brainiest please if I am right?

Answer:

x > -17

Step-by-step explanation:

1. You would subtract 11 from both sides. Like this (14x + 11 - 11 > -227-11)

2. Simplify it (14x > -227 - 11)

3. Next, you would subtract -227 by 11 which will give you -238 (14x > -238)

Isolating the X:

1. Divided both sides by 14 (14x/14) and (-238/14)

2. Simplify the fraction (x > -238/14)

3. You would have to find the GCF of the numerator and the denominator (x > -17 · 14/1 · 14)

4. You factor out and cancel the GCF (x > -17)

Answer:

ratio's of their volume is 216 : 343

Explanation:

Let volume of one solid be x, another be y

given scale factor = 6 : 7

volume of solid = a³

solve:

[tex]\sf \frac{x}{y} = (\frac{6}{7} )^3}[/tex]

[tex]\sf \frac{x}{y} = \frac{216}{343} }[/tex]

║ Therefore volume of one solid is 216 and another 343 ║

In ratio form:

216 : 343

Answer:

Ratio's is 216 : 343

Step-by-step explanation:

Volume of one solid is x, and the other is y

Scale factor = 6 : 7

Volume of solid = a³

Solve:

[tex]\frac{x}{y}=(\frac{6}{7})^{3}[/tex]

[tex]\frac{x}{y}=\frac{216}{343}[/tex]

Hence, the volume of one solid is 216 and the other is 343

As a Ratio:

216 : 343

Answer:

2

Step-by-step explanation:

Because

2 hours=1 lawn

4 hours=2 lawns

6 hours=3 lawns

8 hours=4 lawns

10 hours=5 lawns

12 hours=6 lawns

14 hours=7 lawns

16 hours=8 lawns

18 hours=9 lawns

Another way to think of it is 18 hours by 9 lawns=2 so each 2 hours the lawns should be half like how 12 hours is 6 lawns or how 16 hour is 8 lawns.

Hope this helps have a great afternoon:)

The rate of mowing the lawn by Meena is 2 units per hour, at this rate she will mown 9 lawns in 18 hours.

Given, that Meena mowed 9 lawns in 18 hours.

The breakup of lawn mowing by Meena can be described as below.

She mowed 9 lawns in 18 hours.

So, the breakup :

2 hours = 1 lawn

4 hours = 2 lawns

6 hours = 3 lawns

8 hours = 4 lawns

10 hours = 5 lawns

12 hours = 6 lawns

14 hours = 7 lawns

16 hours = 8 lawns

18 hours = 9 lawns

In this way she mowed 9 lawns in 18 hours with a rate of 2 lawns per hour.

Know more about per unit rate system,

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Answer:

5/21

Step-by-step explanation:

10/7 is a fraction, and if you divide a fraction a/b by c (a/b)/c, then the answer is a/bc, which is 10/6*7, or 10/42, which reduces to 5/21.

Answer:

1. 5 hours

2. 4 hours

Reason:

Formula for speed is speed = [tex]\frac{distance}{time}[/tex] , if you want to find time, then take distance / speed, which will equal to 100 / 20 = 5 hours, and the same with 2.

[tex]\\ \rm\hookrightarrow Speed=\dfrac{Distance}{Time}[/tex]

[tex]\\ \rm\hookrightarrow Time=\dfrac{Distance}{Speed}[/tex]

So

#1

[tex]\\ \rm\hookrightarrow Time=\dfrac{100}{20}=5h[/tex]

#2

[tex]\\ \rm\hookrightarrow Time=\dfrac{180}{45}=4h[/tex]

Equation representing the number of points 'P' in 'n' games will be

[tex]P=25(3)^{n}[/tex]

Explicit formula of the Geometric sequence:

   a, ar, ar², ar³........arⁿ

      There is a common ratio of 'r' in each successive term to the

      previous term.

      Therefore, it's a geometric sequence.

   Explicit formula of a geometric sequence is given by,

       (For n ≥ 1)

      Here, First term

       Common ratio

       nth term

Given in the table,

   Common ratio (r) of any successive term to the previous term,

   First term of the sequence 'a' = 25

Explicit formula of the sequence will be,

[For n ≥ 0]

      Therefore, equation representing the number of points 'P' in 'n' games will be .

Learn more about the geometric sequence here,

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Answer:

7/9

Step-by-step explanation:

if you add the two numbers you will get 7/9

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Answer:

a^2b -a^3 +b^3 +ab^2 - 2a^2b

Step-by-step explanation:

(a+b)(a+b) = a^2 + ab + ab + b^2 which simplifies to a^2 + b^2 + 2ab

(a^2 + b^2 + 2ab)(b-a) = a^2b + -a^3 + b^3 -ab^2 + 2ab^2 -2a^2b which simplifies to a^2b -a^3 +b^3 +ab^2 - 2a^2b

Answer:

a is true

b is false

c is true

Answer: a=1 b=3

Step-by-step explanation: the x for each of the points are 1 and 3

A domain is the range of the assigned value (x), the domain of this piecewise-defined function are: a= 1 and b= 3

Based on the graph of the piecewise-defined function, we can deduce the following points;

When x < 1, we have:

f(x) = -x.

When 1 ≤ x < 3, we have:

f(x) = -1.

When x ≥ 3, we have:

f(x) = (x - 3)² - 1.

Since a domain is the range of the assigned value (x), we have:

a = 1.

b = 3.

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Answer:

x > 2

Step-by-step explanation:

2(x + 5) < 4 + 5x

expand brackets:

⇒ 2x + 10 < 4 + 5x

Subtract 2x from both sides:

⇒ 10 < 4 + 3x

Subtract 4 from both sides:

⇒ 6 < 3x

⇒ 3x > 6

Divide both sides by 3:

⇒ x > 2

Answer: x>2

Step-by-step explanation: Check the steps in these attached images your welcome.

Simplify the expression

Answer:

17/8

Step-by-step explanation:

2⅛ as an improper fraction.

2 x 8 = 16

16 + numerator (1) =17.

17/8 is 2⅛ as an improper fraction

Solution:

To convert the fraction into improper fraction, multiply the whole number with the denominator and add the numerator to the product. The denominator will remain the same.

2 1/8 in improper fraction is 17/8.

Answer:

-27.27 %

Step-by-step explanation:

((y2 - y1) / y1)*100 = your percentage change

(where y1=start value and y2=end value)

((12 - 16.5) / 16.5) * 100 = -27.27 %

27.3%

Find the different:

16.50-12=4.5

Find the percentage reduction:

4.5/16.50×100

=27.27272727

=27.3%(3 sig.fig)

Answer:

[tex]3x-6a=-27[/tex]

[tex]5z +3y=27[/tex]

Combined, these equations cancel out to equal zero.

Step-by-step explanation:

Given:

[tex]X = 3\\A = 6\\Y = 4\\Z = 3[/tex]

Find:

[tex]3x - 6a\\5z + 3y[/tex]

1. [tex]3x-6a[/tex]

To find the value of [tex]3x-6a[/tex], substitute 3 for [tex]x[/tex] and 6 for [tex]a[/tex]:

[tex]3x-6a\\3(3)-6(6)\\9-36\\-27[/tex]

2. [tex]5z +3y[/tex]

To find the value of [tex]5z +3y[/tex], substitute 3 for [tex]z[/tex] and 4 for [tex]y[/tex]:

[tex]5z+3y\\5(3)+3(4)\\15+12\\27[/tex]

Answer:

1/20

Step-by-step explanation:

Answer:

hope it will help you

Answer:

Computer = $2106

Printer = $1053

Step-by-step explanation:

Computer - Multiple by 2 = 2106

Printer - Divide by 2 = 1053

Hope this helped the wording was a little confusing, but I hope I got it right.

Answer: C

Step-by-step explanation:

We can test point A.

After the dilation, A has coordinates (0, 0).

After the reflection, A has coordinates (0, 0).

Since we know that after the translation, (0,0) has to map onto (2,-1), we know the translation is 2 units right and 1 unit down.