The lateral surface area of cone A is exactly 1/2 the lateral surface area of
cylinder B.

OA. True
OB. False

The Lateral Surface Area Of Cone A Is Exactly 1/2 The Lateral Surface Area Ofcylinder B.OA. TrueOB. False

Answers

Answer 1

Answer:

  B.  False

Step-by-step explanation:

You want to compare the lateral surface areas of a cone and cylinder, where the slant height of the cone is twice the height of the cylinder. Your proposition is that the cone's lateral area is half that of the cylinder.

Cone lateral area

Effectively, the lateral area of a cone is the area of a triangle whose base is the circumference of the cone, and whose height is the cone's slant height. The formula for the lateral area of a cone of radius r and slant-height s is ...

  A = πrs

For the given dimensions (s=2h), the lateral area is ...

  A = πr(2h) = 2πrh

Cylinder lateral area

The lateral area of a cylinder is the area of a rectangle whose base is the circumference of the cylinder, and whose height is the cylinder's height. The formula for the lateral area of a cylinder of radius r and height h is ...

  A = 2πrh

Comparison

The lateral areas of the given figures are both 2πrh, so one is not half the other.

The proposition is False.


Related Questions

Write a linear cost function for the situation. Identify all variables used.
A parking garage charges 3 dollars plus 45 cents per half-hour.
Identify all variables used. Choose the correct answer below.
Part 2 of 2
O A. C(x) represents the number of hours the parking garage was used after paying x dollars.
B. C(x) represents the number of half-hours the parking garage was used after paying x dollars.
C. C(x) represents the cost for using the parking garage for x half-hours.
OD. C(x) represents the cost for parking x cars in the parking garage.
A linear cost function for the situation is C(x) =
(Use integers or decimals for any numbers in the expression.)

Answers

Option (C) is the correct answer.


What is the linear system?
It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Given

A parking garage charges 3 dollars plus 45 cents per half-hour.

Let C(x) be the linear cost.

The fixed charge is 3 dollars

The variable charge per half-hour is 0.45 dollars.

Suppose the men leave for x half-hours for one hour the x will be 2x.

Then the equation will be
c(x) =0.45×2x+3
C(x) =0.9x+3

Thus, the equation is . 0.9x+3

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Tina Charlie and Amber have Matchbox cars each car has 4 wheels . how many wheels do their cars have altogether .

Answers

Answer:

I think its 12

Step-by-step explanation:

I think its 12 bc 4+4+4=12 Sorry if its wrong!  ):)

Given the recursive formula shown, what are the first 4 terms of the sequence?
f(n)=
f(1) = 3
(f(n)=f(n-1)+4 if n>1
OA) 3, 7, 11, 15
B) 4, 7, 10, 13
C) 3, 9, 11, 13
D) 3, 8, 10, 12

Answers

Answer:

Option A: 3, 7, 11, 15

Step-by-step explanation:

f(2) = f(1) + 4 = 3 + 4 = 7

f(3) = f(2) + 4 = 7 + 4 = 11

f(4) = f(3) + 4 = 11 + 4 = 15

f(5) = f(4) + 4 = 15 + 4 = 19

Please help on the middle!!

Answers

Answer: I just points so rate this a 10

Step-by-step explanation:

Answer:

owi4w85e963696w95witote5iw47e

In Fairbanks the temperature went down 20 degrees in 6 hours

Answers

Answer: 3.3 hours

Step-by-step explanation:

Estimate the quotient of
68)6080
Express any remainder beginning with an R.

Answers

The answer in decimals is 89.4117647059

Your final estimated answer is 89 R 28
(aka 89, 28 Remainder)
89 R 28 is the answer to your question

whats the meaning of literature

Answers

Answer:

literature most commonly refers to works of the creative imagination, including poetry, drama, fiction, nonfiction, and in some instances, journalism, and song.

Liturgies means creative imagination

Solve the problem please.

Answers

∑ Hey, shadowwolf9764 ⊃

Answer:

x = - 7.5

Step-by-step explanation:

Given:

[tex]\frac{1}{5}x+\frac{1}{4}=\frac{1}{2}\left(x+5\right)[/tex]

Solution~:

[tex]\frac{1}{5}x+\frac{1}{4}=\frac{1}{2}\left(x+5\right)[/tex]

Distribute:

[tex]\frac{1}{5}x+\frac{1}{4}=\frac{1}{2}x+\frac{5}{2}[/tex]

Subtract 1/4 from both sides:

[tex]\frac{1}{5}x+\frac{1}{4}-\frac{1}{4}=\frac{1}{2}x+\frac{5}{2}-\frac{1}{4}[/tex]

[tex]\frac{1}{5}x=\frac{9}{4}+\frac{1}{2}x[/tex]

Subtract 1/2x from both sides:

[tex]\frac{1}{5}x-\frac{1}{2}x=\frac{9}{4}+\frac{1}{2}x-\frac{1}{2}x[/tex]

[tex]-\frac{3}{10}x=\frac{9}{4}[/tex]

Multiply both sides by 10:

[tex]10\left(-\frac{3}{10}x\right)=\frac{9\cdot \:10}{4}[/tex]

[tex]-3x=\frac{45}{2}[/tex]

Divide both sides by -3:

[tex]\frac{-3x}{-3}=\frac{\frac{45}{2}}{-3}[/tex]

x = -15/2

x = -7.5

xcookiex12

9/4/2022

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If y’all can’t se it just zoom in because that’s the best I can get it please help me thank u please don’t comment on my stuff just for points I really need help with this

Answers

Answer:

the answer is 42

Step-by-step explanation:

you add 217+153+88=458

500-458=42

132891 rounded to the nearest thousand is?

Answers

Answer:

132, 900.

Step-by-step explanation:

The 9 is in the tens, so it tells the hundreds to go up by 1 to 9 & add 2 zero's beside. The answer would be 132, 900.

Find the square root of: 2 + sqrt5

Answers

Answer:

3.65

Step-by-step explanation:

The square root of 2 is 1.4 and the square root of 5 is 2.2 adding that together you get 3.6

A spinning disk with radius 10 cm rotates at 120 rpm.
1. Find the angular speed:
2. Find the linear speed of a point on the edge of the disk:

Answers

1) The angular speed is approximately 12.566 radians per second.  

2) The linear speed of a point on the edge of the disk is 1.257 meters per second.

What are the angular speed and the linear speed of a spinning disk?

1) Herein we have a disk that spins at constant angular speed (ω), in radians per second, whose magnitude is found dimensional analysis and unit conversions:

ω = 120 rev / min × (2π rad / 1 rev) × (1 min / 60 s)

ω ≈ 12.566 rad / s

The angular speed is approximately 12.566 radians per second.  

2) The linear speed (v), in meters per second, on the edge of the disk is described by the following formula:

v = R · ω  

Where R is the radius of the spinning disk, in meters.

If we know that R = 0.1 m and ω ≈ 12.566 rad / s, then the linear speed is:

v = (0.1 m) · (12.566 rad / s)

v = 1.257 m / s

The linear speed of a point on the edge of the disk is 1.257 meters per second.

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What is the number of combinations on a lock. (for a 40-number lock, no successive repeating numbers)

(permutations or combinations).

Answers

64,000 different combinations
The lock in the challenge requires that you choose from 40 different numbers, three different times. Therefore, there are 40 × 40 × 40, or 64,000 different combinations.
The lock in the challenge requires that you choose from 40 different numbers, three different times. So then there would be 40 × 40 x 40, or 64,000 different combinations.

Josie has a 1,364-page book to read over summer vacation. She wants to read the
same number of pages each day for 62 days. What is the total number of pages
Josie will need to read each day?
A. 28
B. 27
C. 22
D. 17

Answers

1. Describe two ways that the preserved remains of foraminiferans have been used to track climate change over Earth's geologic history.

2. Forams have been on Earth for at least half a billion years, and they have been incredibly abundant and well preserved in the fossil record. How does this longevity affect their value as bioindicators?

11. Descartes
has $9. He works 5 hours
and earns $8 each hour. Write an
expression
to represent the situation

Answers

Answer: y = 8x + 9

Step-by-step explanation: Descartes begins with only $9.00, so 9 is the y-intercept. He makes $8.00 every hour, so that is the slope.

y = mx + b

m is the slope, and b is the y-intercept.

y=8x + 9

The expression that represents the given situation is y = $49.

What is an expression?

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now it isgiven that,

Descartes has Money = $9

Each hour earning = $8

Total time of work = 5 hours

So, total money earned in 5 hours = 8*5 = $40

Let y be the total money Descartes has.

So total money Descartes has = Money + total money earned in 5 hours

⇒ y = $9 + $40

⇒ y = $49

This is the required expression for the present situation.

Thus, The expression that represents the given situation is y = $49.

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Divide. Please help 10 points.

Answers

Answer:

The answer to the question is the third answer

Solve for x can you help set up the problem for me to solve for x I have tried everything

Answers

As per the alternate angle property, alternate angles are equal hence, is x = 7.

What is the alternate angle property?

The alternate angle theorem states that when two resemblant lines are cut by a transversal, also the performing alternate interior angles or alternate surface angles are harmonious. To prove If two resemblant lines are cut by a transversal, also the alternate innards angles are equal. The Alternate Exterior Angles Theorem states that, when two resemblant lines are cut by a transversal, the performing alternate surface angles are harmonious. Then, the two angles of c and d are outside of the resemblant lines and so these are two exemplifications of alternate surface angles.

Equating the alternate angles,

11x-2=10x+5,

11x - 10x = 5 + 2

x = 7

Since, as per the alternate angle property, alternate angles are equal.

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I do not remember how to solve this

Answers

Answer:

Your answer is correct

Step-by-step explanation:

Use the rules of exponents to simplify the expression.

(q⁶)²

To raise a power to another power, multiply the exponents.

q⁶ˣ²

Multiply 6 by 2.

q¹²

The correct option is the third.

Skandar

8. A fever is generally considered to be a body temperature greater than
100°F. Your friend has a temperature of 37°C. Does your friend have a
fever when the temperature increases by 1°F? 1°C?

Answers

The friend doesn't have a fever when the temperature increases by 1°C.

How to convert the temperature?

To convert Celcius to Fahrenheit,we have to multiply by 1.8 and add 32°.

This will be:

37°C = (37 × 1.8) + 32

= 98.6

When we add 1°, we will get 99.6.

Therefore, the friend doesn't have a fever when the temperature increases by 1°C.

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10.
An airplane has economy and first class seating.
There are s seats in each row in economy.
There are t seats in each row in first class.
There are 9 rows in first class and 24 rows in economy.
Write down an expression, in terms of s and t, for the number of seats on the
airplane.

Answers

The expression, in terms of s and t, for the number of seats on the airplane is given by 24 s + 9 t.

We are given that there are 2 types of seating in an airplane which are economy and first class seating.

Also,

We are given that:

There are s seats in economy in each row and there are t seats in first class in each row.

Now, there are 24 rows in economy class seating.

So, number of seats in economy class = 24 × s = 24 s

And, there are 9 rows in first class seating.

So, number of seats in first class = 9 × t = 9 t

The total number of seats then will be = 24 s + 9 t

Therefore the expression, in terms of s and t, for the number of seats on the airplane is given by 24 s + 9 t.

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What ia the answer for 4.5 gl to dl

Answers

Answer: 45,000,000,000 dl

Step-by-step explanation:

10,000,000,000 dl=1 gl

4.5 gl * 10,000,000,000 dl/1 gl =

4.5 * 10,000,000,000 dl = 45,000,000,000 dl


7. Kiara baked 12 oatmeal cookies and 16 chocolate chip cookies to package in plastic containers for her
friends at school. She wants to divide the cookies into identical containers so that each container has the same
number of each kind of cookie. If she wants to have the greatest number of containers possible, how many
containers does she need? How many oatmeal and chocolate chip cookies will be in each container?

Answers

The greatest possible containers required by Kiara is 4.

The number of oatmeal and chocolate chip cookies in each container is 3 and 4 respectively.

What is defined as the highest common factor?The highest common factor, or HCF, is the greatest number that divides each of two or more numbers.HCF is also recognised as the Greatest Common Measure (GCM) and the Greatest Common Divisor (GCD) .

For the given question;

The total number of oatmeal cookies = 12.

The total number of chocolate chip cookies = 16.

Taking the HCF of 12 and 16 (the largest multiple pf 12 and 16).

HCF = 4.

Thus, the number of boxes requires is 4.

The oat place in one box is 3. In 4 boxes it will be 12.

Similarly, the chocolate chip cookies placed in one box is 4. In 4 boxes it will be 16.

Thus, the oat placed in each box is 3 and the chocolate chip cookies placed is 4.

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What is the slope or pitch of this roof? 12 feet run rise 3 feet

Math 1332

Answers

Answer:

3/12 or 1/4 in simplest fraction form

Step-by-step explanation:

Slope is given by the formula rise/run

Here rise = 3, run = 12  

So slope = 3/12 = 1/4

4
Albert made $54.25 bagging groceries for 5 hours last week. What was Albert's hourly wage? '

Answers

The answer is 10.85 per hour.

Answer:

$10.85

Step-by-step explanation:

Divide 54.25 by 5 and you get 10.85.

Pls help show work pamdas

Answers

Answer:

Answer is -4

Step-by-step explanation:

To solve this, you want to substitute the values of x and y. So, 2(-3)^2-5(-3)(-2)-(-2)^3 which will give you -4.

evaluate |3-5+7|
a-15
b-5
c- -15
d- -5

Answers

|3-5+7| = |3+2| = |5| = -5
Correct option = d

the peremiter of a parallelogram is 56 meters The width of the parallelogram is 4 meters less than its length find the length and the width of the parallelogram

Answers

The length of the parallelogram is 16 m and the width of the parallelogram is 12 m.

We are given that the perimeter of a parallelogram is 56 m.

Let the length of the parallelogram be x meter.

So, we get that the width of the parallelogram will be = x - 4 meter.

We also know that:

Perimeter of parallelogram = 2 ( l + b )

Substituting the values in this, we get that:

56 = 2 ( x + x - 4 )

56 = 2 ( 2 x - 4 )

28 = 2 x - 4

2 x - 4 = 28

2 x = 28 + 4

2 x = 32

x = 16

Length = 16 m

Width = 16 - 4 = 12 m

Therefore, the length of the parallelogram is 16 m and the width of the parallelogram is 12 m.

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|2w + 12| = |4x|
Hvghvvhvgbvgh

Answers

Answer:

No solutions.

Step-by-step explanation:

[tex]\left|2w\left(x\right)+12\right|=\left|4x\right|[/tex]
[tex]x < 0,\:\:x\ge \:0 = No Solutions[/tex]

can someone help me with this

Answers

Step-by-step explanation:

so it starts with

182 = 182 × 3 / p

as the price is inversely related to D.

(a)

so, in general

D = 182 × 3/p = 546/p

(b)

D = 546/3.25 = 168 bags

if the price increases to $3.25, then they will sell only 168 bags.

I am sure, the function will not stay linear for every value of p. for example, if they increase the price to $546 per bag, they would still sell 1 bag. but I am certain, they would fall to 0 sold bags much, much earlier than that ...

Please type the answers please help

Answers

Answer:

Step-by-step explanation:

哇,我喜歡吃很多食物,因為我喜歡並喜歡它。

Wa, wǒ xǐhuān chī hěnduō shíwù, yīnwèi wǒ xǐhuān bìng xǐhuān tā.

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