A dodecagonal pyramid has a surface area of 130 square inches. A similar dodecagonal pyramid has a surface area of 2080 square inches. If the larger pyramid has a height of 32, what is the height of the smaller dodecagonal pyramid?

Answers

Answer 1

Answer:

8 in.

Step-by-step explanation:

The ratio of the surface areas is equal to the square of the ratio of the heights

Let h = the height of the smaller dodecagonal pyramid

So,  [tex]\frac{2080}{130} = \frac{32^{2}}{h^{2} }[/tex]

[tex]h^{2} = \frac{32^{2} * 130 }{2080}[/tex]

[tex]h^{2} = 64[/tex]

h = 8 in.


Related Questions

HELP FOR BRAINLIST!!!!!!!!!

Answers

Answer:

literally none of these are correct i'm in college and none of these are right. bro talk to your teacher

Step-by-step explanation:

The above equation is equal to 6c x 3. NONE OF YOUR OPTIONS SIMPLIFY TO THAT???

Use the figure to complete the cross number puzzle

Answers

yes go here answers.com

A triangle has side length measurements of 7 ft., 2 ft., and 5
feet. Can this form a triangle? Explain why or why not.

Answers

Answer:

No

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side.

2 + 5 is only equal to 7

not greater than 7

Rewrite the radical expression using rational exponents and simplify

Answers

Answer:

[tex]a {b}^{3} \sqrt[4]{5} [/tex]

the measure of an angle is 83°

Answers

Is there a picture that goes along with this?

PLEASE HELP. Will give 70 points!!! Demonstrate In A Brief Paragraph How The Search To Explain Planetary Orbits Exemplifies The Scientific Method and the use of models.

Answers

People firstly believe that the planets move in a circular orbit until Newton came up with his hypothesis by inventing calculus so that we could understood and calculated planetary orbits and their accuracy.

Explanation:

Everyone assumed the planets were perfect circles until Newton came up with an idea. Slowly people would make maps of the orbits that added circles on circles, and they could never really explain about the movement of the planet. They simply say that planets move on circles but they lacked the math to explain or prove it. Then Newton came up with an idea of inventing calculus so that we could understood and calculated planetary orbits and their accuracy.

Firstly people used their observations and say that the orbits looked like circles, then they developed their models and did the math, and proposed their hypothesizes which were wrong, until Newton came along and tried to match a model that used elliptical orbits and invented the math that allowed him to make predictions with it. His model worked for most planets.

However he could not explain about the planet Mercury for instance since it was a very strange orbit. Then after the Einstein's theory of General Relativity he could also explain very deeply about it.

Scientists and Astronomers made hypothesizes that there was another planet orbiting too close to the sun to see with telescopes, called Vulcan, that explained mercury's orbit before Einstein's theory. Then long after we had telescopes which was good enough to see if there was a planet orbiting closer to the sun than mercury.  

please help tysm !!!!!!!

Answers

for concavity it’s concave up, x intercepts are x=1 and x=-3

I need help with this

Answers

Answer:

c

Step-by-step explanation:

it just is the answer have a nice day

Answer:

c

Step-by-step explanation:

c

The price of an ipad went from $450 to $360. What was the percent of decrease?

Answers

Answer:

90

Step-by-step explanation:

450-360 = 90

Simple subtraction.

Find the length of all segments in the triangle
Find LA, AE, SL

Answers

AE= 6.93 - 4.63 = 2.3 cm

LA: a2 + b2 = c2
(3.26)2 + (2.3)2 = LA2
10.63 + 5.29 = LA2
15.92 = LA2
sqrt 15.92 = LA
So, LA= 3.98 cm


LS: a2 + b2 = c2
(3.98)2 + (b)2 = (6.93)2
b = sqrt (6.93)2 - (3.98)2
So, LS = 5.67 cm

If i have 22 more questions to go out of 42 what question am i on?

Answers

Answer: 20

Step-by-step explanation:

If f(x) = x 2 + 1 and g(x) = 3x + 1, find f(2) + g(3).

Answers

f(2) = (2)² + 1
g(3) = 3(3) + 1
-
(2)² + 1 + 3(3) + 1
simplify
-
f(2) + g(3) = 15

The woods behind Adam's house were 12 miles wide and 25 miles long. What is the area and perimeter
of the woods?

Answers

Answer: Perimeter = 74

Step-by-step explanation:

here is the next one. sorry

Answers

Answer:

$5.30

Step-by-step explanation:

23.85/9=$2.65

2.65*2=$5.30

Answer:

I don't know if this is right but I got $5.30.

Step-by-step explanation:

I did 23.85/9 to get how much each pane is than I multiplied by 2 to get the cost of the 2 new panes.

23.85/9= 2.65

2.65*2 = 5.3

A water park keeps track of the number of times each visitor goes down water slides during their visit . The data shows the number of times 12 visitors went down a water slide.

4, 22, 16, 10, 11, 20, 20, 12, 6, 3, 11, 1



Create a histogram of this data.

To create a histogram, hover over each age range on the x-axis. Then click and drag up to plot the data.

Answers

Answer:

Refer to image

Step-by-step explanation:

When creating a histogram it is best to create a range for the different variables that are available.

So for the sake of covering all the possible ranges from 1 - 22, let's divide it into 5 categories.

0 - 5        

6 - 10  

11 - 15

16 - 20

21 - 25

Now that we have set ranges for the different variables, we then find the frequencies.

0 - 5  : 3      

6 - 10 : 2

11 - 15 : 3

16 - 20 : 1

21 - 25 : 3

Now that we have all the values we can then create our histogram

/

Isabelle rides her bike to school. The graph shows her speed at different point
times during her ride, explain what is going on in the graph using the words
increasing decreasing, constant

Answers

Answer:

0 to 2 minutes - Accelerating

3 to 4 minutes - Constant

6 to 8 minutes - Decelerating

9 to 11 minutes Accelerating

hope i have helped u

Step-by-step explanation:

Plz help I rlly need it!

Answers

It’s greater than 25% because both have the numbers 3 and 5.

Help please I need the steps for each problem. No websites will be allowed and if your just going to put a radon answer tire reported

Answers

Answer:

what are the problems

Step-by-step explanation:

theres no pictures, website nothing :/

Given P(A)=0.64P(A)=0.64, P(B)=0.4P(B)=0.4 and P(A\cap B)=0.356P(A∩B)=0.356, find the value of P(A\cup B)P(A∪B), rounding to the nearest thousandth, if necessary.

Answers

Answer:

Step-by-step explanation:

P(A U B) = P (A) + P (B) - P (A and B)

= 0.64 + 0.4 - 0.356

= 0.684

The value of P(A∪B) is 0.684

What is probability?

Probabilities are used to determine the chances of events

The given parameters are:

P(A)=0.64,

P(B)=0.4

P(A∩B)=0.356

To find the value of P(A∪B), we make use of the following formula

P(A∪B) = P(A) + P(B) - P(A∩B)

So, we have:

P(A∪B) = 0.64 + 0.4 - 0.356

Evaluate the expression

P(A∪B) = 0.684

Hence, the value of P(A∪B) is 0.684

Read more about probability at:

https://brainly.com/question/25870256

NO WEBSITES/ fake links or your getting reported! Help me with ALL the problems!

Answers

Answer:

5 divided by 8 is 0.625

1 divided by 2 is 0.5

3 divided by 5 is 0.6

7 divided by 4 is 1.75

4 divided by 6 is 0.666666666 or 0.6 with the underline if u print this paper out or 0.666

Step-by-step explanation:

u will have to do the model part but i hope i helped

what is (2x + 5) + 3 < 22 ?

Answers

Inequality Form : x < 7
Interval Notation: (-∞, 7)

Help me plsssssss????

Answers

Answer:

CBD is 120 degrees

Step-by-step explanation:

x=30

4x30+30+30=180

Answer: 120°

Step-by-step explanation:

x + 4x + x = 180° (Since the sum of a straight line is 180°)

6x = 180°

x = 30°

To find the angle of 4x, we need to multiply 4 x 30°

120°

your kitchen clock has a radius of 8 inches. you want to know how much it will cost to cover the outside edge of the clock in silver that costs $2.50 per inch.​

Answers

Answer:

31 cents

Step-by-step explanation:

do 2.50 divided by 8 which is 31 cents per inch

100 points
Choose the different ways that a graph can be misleading.

The y-axis starts at zero and uses consistent intervals.
Different bar heights are used on the same graph.
The y-axis doesn't start at zero.
The intervals on the y-axis are too large.
Different bar widths are used on the same graph.
The y-axis starts at zero but has different intervals.

Answers

Just a little note you put 50 points and not 100

The y-axis doesn't start at zero.

The intervals on the y-axis are too large.

Different bar widths are used on the same graph.

The y-axis starts at zero but has different intervals.

Answer:

The y-axis starts at zero and uses consistent intervals.

Step-by-step explanation:

does any one know 1/2x−7=1/3(x−12)

Answers

Answer:

18

Step-by-step explanation:

I did the math and that should be the answer!!

Marco is buying a new skateboard that is on sale for 25% off the regular price is 59.95 Marco knows there's a 7% sales tax what is the total amount he should pay including tax

Answers

Make sure to only tax the price he is paying...
25% is equal to .25 and 25/100 and 1/4
7% is equal to .07 and 7/100

59.95times.25=price

(59.95times.25)times.07= taxes

Then add price and taxes together
14.99price plus 1.05tax=$17.04
Good luck!

I need it fast please

Answers

I think the answer is C not 100% sure tho ...

A television originally cost
$
2660
. It goes on sale at
10
%
off the original price.

How much do you save when you buy the television now?
Saving = $

What does the television cost now?
Cost now = $
Submit Answer

Answers

Answer:

You save $266. The television costs $2394.

Step-by-step explanation:

10% off the original price is $266. The television is 10% off, meaning the new price is 90% of the original price. Therefore, you can subtract $2660 - $266 or multiply 90% × $2660.

help 5 3/5 x 1 8/32
no links or i will be reporting

Answers

Answer:

954/160

Step-by-step explanation:

multiply denominators and the top thing (forgot what its called)

I think numerator

954/160 I hope this helps

Also What do those links bring you to because they weird me out when someone answers with them so I always report it?

Help me please I don't understand

Answers

Answer:

Q1: E N W G Y U

Q2: R D S Q

Q3: X

Q4: B M F P L

1. N 3. L 5. Q 7. W

2. G 4. B 6. E 8. Y

9. S: (-5,+5) 11. D: (-4,+2) 13. M: (+1,-5) 15 X: (-7,-8)

10. R: (-1,+3) 12. U: (+1,+1) 14. P: (+8,-4) 16. F: (+7,-6)

I can't add the points on the graph tho sorry:(

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