The number of vertices in a prism is twice the number of vertices of one of the bases. How many vertices does one of the bases of a regular prism with 14 faces and 36 edges have? Euler’s formula: V + F = E + 2 12 13 17 24

Answers

Answer 1

The number of vertices will be 24. The correct option is D.

What is a prism?

A prism is a polyhedron in geometry that has n parallelogram faces that connect the n-sided polygon basis, the second base, which is a translated duplicate of the first base, and the n faces. The bases are translated into all cross-sections that are parallel to them.

It is given that the number of vertices in a prism is twice the number of vertices of one of the bases. The number of the vertices of a regular prism with 14 faces and 36 edges is calculated as below:-

Use Euler's formula:-

V + F = E + 2

V + 14 = 36 + 2

V + 14 = 38

V = 38 - 14

V = 24

Therefore, the number of vertices will be 24. The correct option is D.

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Answer 2

Using Euler's formula, V + F = E + 2, with the given values for the faces (F = 14) and edges (E = 36), we determine there are 24 vertices in the prism. Considering a prism has twice as many vertices as one of its bases, it follows that one base has 12 vertices.

The question asks about the number of vertices on one of the bases of a regular prism that has 14 faces and 36 edges.

First, we use Euler's formula, which is V + F = E + 2, where V, F, and E represent the number of vertices, faces, and edges, respectively.

In this case, we have F = 14 and E = 36, so plugging these into Euler's formula gives us V + 14 = 36 + 2, therefore V = 24 vertices in total for the prism.

Since the prism has two congruent bases and the remainder of the faces are parallelograms connecting the bases, we can say that the number of vertices of the prism is twice the number of vertices of one of its bases.

So if V is 24, the number of vertices for one base is V/2, which is 12. That means each base of the prism has 12 vertices.


Related Questions

An equilateral triangle and a square have the same perimeter of 12 inches. what is the ratio of the side length of the triangle to the side length of the square? express your answer as a common fraction.

Answers

1) Perimeter of the equilateral triangle: 12
Length of one side of the triangle = 12/3 = 4

2) Perimeter of the square: 12
Length of one side of the square = 12/4 = 3

Ratio of Triangle side to the square side = 4/3

Let x+3, 2x+1, and 5x+2 be consecutive terms of an arithmetic sequence. find the absolute value of the common difference of the terms.

Answers

If the numbers are in arithmetic sequence, this means that the difference between the consecutive terms is equal.

Difference between first and second terms,
D1 = (2x + 1) - (x + 3)
D1 = x - 2

Difference between second and third terms,
 D2 = (5x + 2) - (2x + 1) 
 D2 = 3x + 1

Equating the differences,
D1 = D2
x - 2 = 3x + 1

Transposing the variables and constants to each of the sides of the equation,
x - 3x = 1 + 2
-2x = 3

Dividing the equation by -2,
x = -3/2

Substituting this value to either of the difference,
D1 = x - 2 = (-3/2) - 2 = -7/2

The absolute value of the difference is 7/2. Thus, the answer is 7/2. 

A ball is thrown from an initial height of 7 feet with an initial upward velocity of 23/fts. The ball's height h (in feet) after t seconds is given by the following.

h=7+23t-16t^2

Find all values of t for which the ball's height is 15 feet.

Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.)

Answers

0.85 and 0.59:

You get the quadratic equation: [tex]-16t^2+23t-8[/tex]

You can solve it with the quadratic equation: [tex] \frac{-b+ \sqrt{b^2-4ac}}{2a} and \frac{-b- \sqrt{b^2-4ac}}{2a}[/tex]

From here you solve and get the given numbers as your answers!





As per quadratic equation, all values of 't' for which the ball's height is 15 feet are 33.25 and (- 31.813).

What is a quadratic equation?

"Quadratic equations are the polynomial equations of degree 2 in one variable of type f(x) = ax² + bx + c = 0 where a, b, c, ∈ R and a ≠ 0. It is the general form of a quadratic equation where 'a' is called the leading coefficient and 'c' is called the absolute term of f (x)."

Given, [tex]h = 15[/tex] feet.

Therefore, the quadratic equation for [tex]h = 15[/tex] will be:

A ball is thrown from an initial height of 7 feet with an initial upward velocity of 23 feet per second.

The ball's height h (in feet) after t seconds is:

[tex]h = 7+23t-16t^{2}[/tex]

[tex]15 = 7+23t-16t^{2}[/tex]

⇒ [tex]15-7-23t+16t^{2} = 0[/tex]

⇒ [tex]16t^{2} -23t - 8 = 0[/tex]

⇒ [tex]t = [- (-23)[/tex] ± [tex]\sqrt{(23)^{2} - 4(16)(- 8)}[/tex] ]/(2 × 16)

⇒ [tex]t =[/tex] [23 ± 1041]/32

⇒ [tex]t =[/tex] [23 + 1041]/32, [23 - 1041]/32

⇒ [tex]t =[/tex] 33.25, - 31.813

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Mike wants to make meatloaf. His recipe uses a total of 6 pounds of meat. If he uses a 3 to 1 ratio of beef to pork how much pork will he use? Enter your answer as a mixed number in simplest terms

Answers

3 + 1 = 4
5/4 = 1.25
3 * 1.25 = 3.75 of beef
1 * 1 .25 = 1.25 pounds of pork

Mike will use 1 1/2 pounds of pork for his meatloaf recipe, which calls for a 3 to 1 ratio of beef to pork and a total of 6 pounds of meat.

Mike's meatloaf recipe has a total of 6 pounds of meat and uses a 3 to 1 ratio of beef to pork. To find out how much pork he will use, we can express the total amount of meat as the sum of beef and pork parts.

First, we know that there are 3 + 1 = 4 parts in total because of the given ratio. Since the ratio is 3 to 1, for every 4 parts of meat, 1 part is pork. Therefore, we calculate the weight of each part by dividing the total weight by the number of parts:

6 pounds ÷ 4 parts = 1.5 pounds per part

Since one part is pork, Mike will use 1.5 pounds of pork for his meatloaf. Expressed as a mixed number, that's 1 1/2 pounds of pork in simplest terms.

The number of hours (H) that a candle will burn increases when the length of the candle (L) increases. Write the correct equation for this scenario, and solve for the number of hours when the length is 2. Length Hours 15 3 20 4

Answers

[tex]\bf \qquad \qquad \textit{direct proportional variation}\\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array}\\\\ -------------------------------\\\\ %. Length Hours 15 3 20 4 \begin{array}{ccllll} length&hours\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 15&3\\ 20&4 \end{array}\\\\ -------------------------------\\\\[/tex]

[tex]\bf \textit{H increases as L increases}\implies H=kL \\\\\\ \textit{from the table above, we also know that } \begin{cases} L=15\\ H=3 \end{cases} \\\\\\ 3=k15\implies \cfrac{3}{15}=k\implies \cfrac{1}{5}=k\quad thus\quad \boxed{H=\cfrac{1}{5}L} \\\\\\ \textit{now, what is H when L = 2}\qquad H=\cfrac{1}{5}\implies \cdot 2[/tex]

Answer:

H = .2L; H = .4

Step-by-step explanation:

The length l of a rectangle is 4 inches greater than its width w. The area of the rectangle is 252 square inches.Using the method of completing the square, what are the length and width of the rectangle? Show your work.

Answers

l=w+4  

lw=252, using l from above

(w+4)w=252

w^2+4w=252,  now halve the linear coefficient, square it, then add that to both sides, ie (4/2)^2=4

w^2+4w+4=256

(w+2)^2=256

w+2=±16

w=-2±16

w=14 or 18, but since w<l

w=14in and l=18in

Shyla used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are shown in the tables below:

16 blue
20 green
14 yellow

heads 18
tails 32

Using Shyla's simulation, what is the probability of pulling a blue marble and the coin landing tails up?

Answers

P(selecting a blue marble) = 16/50 = 8/25

P( getting a tail)  =  32/50 =  16/25

The 2 events are independent so you multiply the probabilities:-

Required probability = 8/25 * 16/25 =  108/625

Answer:

512/2500

Step-by-step explanation:

Which side has an equal measure to BC?

A.DE
B.AB
C.EF
D.DF

PLEASE HELP

Answers

C. EF, because there no the the shortest sides of the triangles which are assumed to be equal

In the given diagram, we are given two triangles, triangle ABC and triangle DEF.

And we are given a line or reflection l.

Triangle DEF is the mirror image of triangle ABC.

Therefore, all sides of the triangle ABC would be congruent to sides of triangle DEF.

AB = DF

AC = DE and

BC = EF.

We can see than BC is the smallest side of triangle ABC and EF is the smallest side of triangle DEF.

Therefore, correct option is C option.C.EF

Thank you very much for your help!

Answers

For a.
[tex]x^2+y^2=25[/tex]

For b.
[tex](x-4)^2+(y-3)^2=25[/tex]

For c.
[tex](x-5)^2+(y-4)^2=9[/tex]


Hope that helps

Solve 2x2 + 5x + 5 = 0. Round solutions to the nearest hundredth.

Answers

 do i need to solve for x
 

Rounded to the nearest hundredth, they are:

[tex]\[x_1 \approx -0.63 + 1.35i\][/tex]

[tex]\[x_2 \approx -0.63 - 1.35i\][/tex]

To solve the quadratic equation [tex]\(2x^2 + 5x + 5 = 0\)[/tex], we can use the quadratic formula:

[tex]\[x = \frac{{-b \pm \sqrt{{b^2 - 4ac}}}}{{2a}}\][/tex]

where [tex]\(a = 2\), \(b = 5\)[/tex], and [tex]\(c = 5\)[/tex].

Substituting the values into the quadratic formula:

[tex]\[x = \frac{{-5 \pm \sqrt{{5^2 - 4 \cdot 2 \cdot 5}}}}{{2 \cdot 2}}\][/tex]

[tex]\[x = \frac{{-5 \pm \sqrt{{25 - 40}}}}{{4}}\][/tex]

[tex]\[x = \frac{{-5 \pm \sqrt{{-15}}}}{{4}}\][/tex]

Since the discriminant [tex](\(b^2 - 4ac\))[/tex] is negative, the solutions will involve imaginary numbers.

Using the imaginary unit [tex]\(i\)[/tex], where [tex]\(i^2 = -1\),[/tex] we can rewrite [tex]\(\sqrt{{-15}}\)[/tex] as [tex]\(i\sqrt{{15}}\):[/tex]

[tex]\[x = \frac{{-5 \pm i\sqrt{{15}}}}{{4}}\][/tex]

So, the solutions to the equation [tex]\(2x^2 + 5x + 5 = 0\)[/tex] are complex numbers. Rounded to the nearest hundredth, they are:

[tex]\[x_1 \approx -0.63 + 1.35i\][/tex]

[tex]\[x_2 \approx -0.63 - 1.35i\][/tex]

These solutions represent the points where the graph of the quadratic equation intersects the x-axis. They lie on the complex plane.

Which of the following statements are true for the graph shown below

Answers

B is the correct answer

The statement that is true for the graph of function shown below is option (B) both graphs have exactly one asymptote is the correct answer.

What is graph of a function?

A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner. The graph of a function f is the set of all points in the plane of the form (x, f(x)).

For the given situation,

The diagram shows the graph that has 2 functions f(x) and g(x).

The function f(x) is increasing function and the function g(x) is decreasing function.

An asymptote of a curve y = f (x) that has an infinite branch is called a line such that the distance between the point (x, f (x)) lying on the curve and the line approaches zero as the point moves along the branch to infinity.

Here the two functions f(x) and g(x) approaches zero at asymptote of 1.

Hence we can conclude that the statement that is true for the graph of function shown below is option (B) both graphs have exactly one asymptote is the correct answer.

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If the length of side a is 6 centimeters, the length of side b is 4 centimeters, and the length of side c is 7 centimeters, what is the measure of ? Round your answer to two decimal places.

Answers

Answer:

34.77

Step-by-step explanation:

The area of a triangle with sides of length 6 cm, 4 cm, and 7 cm is approximately 11.95 cm² when calculated using Heron's formula and rounded to two decimal places.

The original question appears to be incomplete as there's no clear indication of which measure is being sought for the triangle with sides of length 6 cm, 4 cm, and 7 cm. However, if the goal is to use these sides to determine the area of a triangle, we can use Heron's formula, since the lengths given do not form a right triangle.

First, calculate the semiperimeter (s):

(s) = (a + b + c) / 2

(s) = (6 + 4 + 7) / 2

(s) = 17 / 2

(s) = 8.5 cm

Now, apply Heron's formula which is Area [tex](A) = \sqrt{[ (s)((s)-a)((s)-b)((s)-c) ][/tex]:

[tex]A = \sqrt{[8.5(8.5-6)(8.5-4)(8.5-7)]}\\A = \sqrt{[8.5(2.5)(4.5)(1.5)]}\\A = \sqrt{[8.5 \times 2.5 \times 4.5 \times 1.5]}\\A \approx 11.95 cm^2 after\ calculating\ the\ square\ root[/tex]

Thus the area of the triangle is approximately [tex]11.95 cm^2[/tex] (rounded to two decimal places). Note that the question's original instructions to round to two significant figures would result in an answer of [tex]12 cm^2[/tex].

. The total cost of gasoline varies directly with the number of gallons purchased. Gas costs $1.77 per gallon. Write a direct variation to model the total cost c for g gallons of gas.
A . c=g/1.77

B. c=1.77g

C. g=1.77c

D. c=g+1.77

Answers

The best answer is B.
The cost equals $1.77 times the number of gallons purchased.

can someone please help?

Answers

5x²(x - 1) - 7(x-1)
(x-1)(5x² - 7)

Answer is C.
I believe it will be answer C.

Given that the two triangles are similar, solve for x if AU = 20x + 108, UB = 273, BC = 703, UV = 444, AV = 372 and AC = 589.

Answers

AB = AU + UB = 20x + 108 + 273 = 20x + 381

[tex] \cfrac{AU}{AB} =\cfrac{UV}{BC} \\ \\ \cfrac{20x+108}{20x+381} =\cfrac{444}{703} \\ \\ 703(20x+108)=444(20x+381)\\\\14060x+75924=8880x+169164 \\ \\ 14060x-8880x = 169164 - 75924 \\ \\ 5180x = 93240 \\ \\ x=93240/5180 \\ \\ x=18[/tex]

PLEASE HELP ASAP ILL GIVE BRAINLIEST IF YOURE RIGHT!!

Find the greatest possible error for each measurement.

9 g

a.
1/2 g
b.
1/4 g
c.
1/6 g
d.
1/8 g

Answers

the geatest possible error should be answer A 1/2

gpe = 1/2 of the unit measures

 since 9 is a whole number the gpe would be 1/2 g

Which of the following are the coordinates of the vertex of y=3x^2+3?

Answers

Your answer would be -3/2 you take the formula -b/2a to find the vertex and which in this case would be 3 ,-3/2(1)

The Jonas school district gives awards to its schools based on overall student attendance. The data for attendance are shown in the table, where Low represents the fewest days attended and High represents the most days attended for a single student.
School High School M High School N High School P
Low - 128 131 140
High - 180 180 180
Range- 52 49 40
Mean- 141 159 153
Median- 160 154 165
IQR- 55.5 48.5 32.5
σ- 41.5 36.5 31.5
Part A: If the school district wants to award the school that has the most consistent attendance among its students, which high school should it choose and why? Justify your answer mathematically. (5 points) Part B: If the school district wants to award the school with the highest average attendance, which school should it choose and why? Justify your answer mathematically. (5 points)

Answers

The most consistent attendance is the one that has less variability (it's more regular). Not necessarily the one with more students. So, the case with less variability is the one with less IQ, sigma or range (all three measure the dispersion of a distribution. IQ is more robust than sigma, and sigma more than the range, although in practice everyone uses sigma).

So, the answer to A) is the third High School: HS P

B) Here one looks at the central measurement: mean, median. This example is not super easy. HS N has the highest mean value, but HS P has the highest median. The median is more robust than the mean, since it is less affected by outliers. So HS P is a good candidate.

Finally, looking at the Low/High values, one can see that the high is the same: some day(s) when all students went and all HS have a maximum number of 180 students. However, the highest low is HS P.

So, I think HS P should also be awarded for the highest rate, since its median
is the highest and the lower number of students is the highest.

Median means 50% of the cases have values less than the median. Mean is an average.

I need help learning how to do these problems some how whenever I do them I always get it wrong please help I have a test Wednesday!

Answers

Alright, the way to do this is to subtract one letter with each equation. For 3, we can multiply the first equation by 3 and add it on to the next to get -4x+5y=6 (we eliminated the z). Next, we can also eliminate the z in the third equation by multiplying the first one by -8 and adding on to that, getting -6x-12y=-14

After that, we have -4x+5y=6 and -6x-12y=-14. You can multiply the second equation by -2/3 and add on to get -3y=(-28/3)+6 and y=-((-28/3)+6)/3. Solve from there by plugging it in for variables as shown, then with z after x. The next two are similar, but feel free to ask if you have any issues with those!

There are 10 runners in race. in how many ways can the first, second and third place finishes occur

Answers

there's 10 people in the race all together, they'll all have the chance to finish first. now, one person is 1st therefore there's 9 left. 9 will be able to be in 2nd place. then that leaves third place, there will be 8 people still trying to finish third.

10*9*8 = 720 ways

Which has a greater area, a square with sides that are x - 1 units long or a rectangle with a length of x units and a width of x - 2 units?

Answers

Area of square = a^2...where a is the length of 1 side
A = (x - 1)^2
A = (x - 1)(x - 1)
A = x^2 - 2x + 1

Area of rectangle = L * W
A = x(x - 2) = x^2 - 2x

The greater area would be the square <==


Find the value of two numbers if their sum is 12 and the difference is 4

Answers

x+y=12

x-y=4

x=y-4

y-4+y=12

2y-4=12

2y=16

y=8

x=8-4=8

8+4=12

 the 2 numbers are 8 & 4


The image shown has two triangles sharing a vertex:
What is the measure of ∠WZX, and why?

A. y over 2, because Triangle UVW is congruent to triangle WXZ
B. y, because Triangle UVW is similar to triangle ZXW
C. y + 50 degrees, because Triangle UVW is similar to triangle ZXW
D. 130 degrees − y, because Triangle UVW is congruent to triangle WXZ

Answers

The answer is B. Angles UVW ad ZXW are congruent, and because of the vertical angle theorem, angles UWV and XWZ are congruent. So if 2 angles in each triangle are congruent to each other, then the triangle angle sum theorem tells us that the third angle also has to be congruent in each.  BUT congruent angles do not make the triangles congruent because the length of the sides can change and the measures of the angles remain unchanged. Therefore, the triangles can only be said to be similar (if the lengths of the sides were given we could determine whether they were actually congruent, but they're not so we don't know for sure if they are congruent, only that they are similar). So B.

The measure of ∠WZX is B; y, because Triangle UVW is similar to triangle ZXW.

What is vertically opposite angles?

The vertically opposite angles are those angles that are opposite one another at a specific vertex and are created by two straight intersecting lines.

We can see that Angles UVW ad ZXW are congruent,

Then because of the vertical angle theorem; angles UWV and XWZ are congruent.

So if there are 2 angles in each triangle which are congruent to each other, then the triangle angle sum theorem state that the third angle also has to be congruent in each.

BUT congruent angles do not make the triangles congruent due to the length of the sides can change and the measures of the angles remain unchanged.

Hence, The measure of ∠WZX is B; y, because Triangle UVW is similar to triangle ZXW.

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Find the radius of a circle with an area of 615.75 sq kilometers?

Answers

area = pi x r^2

615.75 = 3.14 x r^2

r^2 = 615.75/3.14 =196.0987 round to 196.1

r = sqrt(196.1) = 14.00357 round to 14

radius = 14 kilometers

PLEASE HELP
graph and completely describe the function f (x)= 4^x

I already graphed this on desmos

Answers

So you already have the graphing part down?

Basically, whenever you have a function where there's an "x" as your exponent (f(x) = b^x), we'll categorize them as "exponential functions".
Exponential functions modify your graph in two different ways, they can either make it increase exponentially or decrease exponentially.
If you see that your graph is gradually increasing across the x-axis, then you can say that the function is making your graph exponentially increase by a factor of "4".

What's the slope of the line that passes through (2,14) and (-1,-1)?

Answers

To find slope, you can take the rise value and place it over the run value. In this case, that would be 15/3. This can be reduced to 5. Therefore, the slope of this line is 5.

how many solutions does this system have -3x+6y=10 -3x+6y= -4

Answers

0 because if u subtract the equations you get 0x + 0y = 14 which is not possible
-3x+6y=-4
-3x+6y=10

0x+0y=14

Which symbol creates a true sentence when x equals 6? 42 + (x – 3)2 __ 28

Answers

The symbol that would accurately feel this blank is ">" because when x=6, the equation on the left is equal to 48. An easy way to remember which sign to use is that the arrow points to the smaller number. Since the equation on the left equals 48, we know that 28 is the smaller number. Therefore, the arrow points to 28.
it's ">",Hope It Helps!

Which expression is equivalent to (2x^4y)^3

Answers

The answer is D. 2^3 is 8. (x^4)^3 is x^12 and y^3 is simply y^3. Put them together to get the final answer.

The equivalent expression to the given expression is [tex]8x^12y^3[/tex].

We have given that,

The  expression (2x^4y)^3

We have to determine the,

Which expression is equivalent to (2x^4y)^3

What is the equivalent expression?

Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value(s) for the variable(s).

The answer is D.

2^3 is 8.

(x^4)^3 is x^12 and y^3 is simply y^3.

Put them together to get the final answer.

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A photo that is 3 inches wide by 5 inches long is being enlarged so that it is 12 inches long. How wide will the enlarged photo be

Answers

12/5 = 2.4 times larger

3 x 2.4 = 7.2 inches wide

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