Mathematics High School

Find the surface area of a cylinder with a base radius of 4 cm and a height of 7 cm.
Use the value 3.14 for a, and do not do any rounding.
Be sure to include the correct unit.

Find The Surface Area Of A Cylinder With A Base Radius Of 4 Cm And A Height Of 7 Cm.Use The Value 3.14

Answers

Answer 1

Answer: 276.32cm³

Step-by-step explanation:

Surface area, A, of a cylinder is given by the formula:

A = 2*pi*r*h + 2*pi*r²

r = radius

h = height

Substituting pi for 3.14 gives:

A = (2 * 3.14 * 4 * 7) + (2 * 3.14 * 4²)

A = 276.32cm³

I've put them in brackets, but this is not necessary.

Related Questions

A sample of 400 observations will be taken from an infinite population. The population proportion equals 0.8. The probability that the sample proportion will be greater than 0.83 is___

Answers

ANSWER:

401.63

____________

hope it helps you

can you brainlest me

I need help with this!!​

Answers

Answer:

i think c

Step-by-step explanation:

hope it helps :)

The question is really asking what the slope (m) of the line is. Here’s the answer:

Slope= the variable m

m=rise/run; m=change in y/change in x

We need to find the rate of how much the taxi driver charges per minute.

Therefore:

We need to pick a precise point on the line ( a precise point is a point with whole number x and y coordinates; no decimals or fractions).

We see that the point (6, 9) is precise.

A rate is a ratio in the form of a fraction that shows the relationship of change between two quantities: a/b.

So, the taxi costs 9 dollars / 6 minutes.

9/6 simplifies 2/3.

And thus, the taxi charges 2 dollars per 3 minutes

So, the answer is 9/6, which can be simplified to the furthest possibility, making it a unit rate.

Answer: 9/6



turn 1.5(5 is repeating) into a mixed fraction

Answers

Answer:

14/9 or 1 5/9

Step-by-step explanation:

Answer:

1 [tex]\frac{5}{9}[/tex]

Step-by-step explanation:

We require 2 equations with the repeating digit placed after the decimal point

let x = 1.555... (2) Multiply both sides by 10

10x = 15.555.... (2)

Subtract (1) from (2) thus eliminating the repeating digits

9x = 14 ( divide both sides by 9 )

x = [tex]\frac{14}{9}[/tex] = 1 [tex]\frac{5}{9}[/tex]

Line m passes through the points (2, -7) and (4, -9) line m is parallel to which line

Answers

Answer:

D............... y= -1

Answer:

Option A. y= -x + 2

Step-by-step explanation:

RATE BRAINLIEST

we first have to find m which is the slope. The equation are parallel when they have the same slope

(2,-7) and (4,-9)

m = 4-2/ -9-(-7)

=2/-2

m = -1

Option A. y=-x + 2

FRACTIONAL INDICIES HELP IS APPRECIATED A LOT

Answers

Answer:

1. 625/3

2. 5/8

3. 4/9

4. 1/3

5. 2

if f(x) = 11x + 8 find f(0)

Answers

Answer:

f(0) = 8

Step-by-step explanation:

x = 0

11(0) + 8 =

0 + 8 =

8

Answer:

[tex]\large\boxed{\mathtt{f(0)=8}}[/tex]

Step-by-step Explanation:

[tex]\textsf{We are asked to simplify the function.}[/tex]

[tex]\textsf{We are given f(0). 0 is substituted inside as the x.}[/tex]

[tex]\textsf{Let's substitute 0 into x.}[/tex]

[tex]\large\underline{\textsf{Substitute;}}[/tex]

[tex]\mathtt{f(0)=11(0)+8}[/tex]

[tex]\large\underline{\textsf{Multiply;}}[/tex]

[tex]\mathtt{f(0)=8}[/tex]

[tex]\large\underline{\textsf{Note that;}}[/tex]

[tex]\textsf{When you are asked to simplify a function, they're mainly asking you to substitute.}[/tex]

[tex]\textsf{The Order of Operations (PEMDAS) \underline{still} applies here.}[/tex]


Solve for m angle HIJ if m angle HIK=50^ and m angle KIJ=53^ .

Answers

m<HIJ is 103°

Step-by-step explanation:

hik= 50 and kij = 53

50+53=103°

What is the value of
22+3−5 when x=-2?

Answers

Answer:

There is no x in the equation, bu the equation you posted equals 20.

Step-by-step explanation:

22+3−5

25-5=20

Jethro used dimensional analysis to convert one rate of speed to another. Two of the conversion factors he used are 5280 ft/1 mi and 1 hr/60 min. What could be the units of the initial rate of speed and the final rate of speed? Justify your answer.

Answers

The units of the initial and final rates of speed are;

Initial rate of Speed = ft/hr

Final rate of speed = mi/min

We are told that the conversion factors he used are;

5280 ft/1 mi and 1 hr/60 min

Now, the meaning of 5280 ft/1 mi denotes that;

5280 ft mile is equivalent to 1 mile

This means that the initial distance unit used was ft while the final one was mile

Also, 1 hr/60 min denotes that;

1 hour is equivalent to 60 minutes.

This means that the initial time units used was hour while the final one was minute.

In conclusion, since we know the initial time and distance units used, we can say that the initial rate of speed ft/hr while final speed rate was miles/minutes.

Read more at; https://brainly.com/question/17734333


Writing lan's car can go 296 miles on 8 gallons of gas. During a drive last weekend, lan used
7 gallons of gas. How far did he drive? Use pencil and paper. Explain how the problem changes if
you were given the distance lan drove last weekend instead of how much gas he used

Answers

Answer:

259 miles

Step-by-step explanation:

296 miles on 8 gallons of gas.

Find the miles on 1 gallon of gas:

296/8 = 37 miles

Find the distance on 7 gallons of gas:

7*37 = 259 miles

Given :

Writing lan's car can go 296 miles on 8 gallons of gas. During a drive last weekend, lan used7 gallons of gas.

To find :-

How far did he drive?

Solution :-

According to Question ,

Car can go 296 mi on 8 gallons of gas.

Using Unitary Method ,

On 1 gallon of gas it will go 296/8 miOn 7 , it will go 296/8*7 = 259 miles

Hence the required answer is 259 miles

640 divided by 2/5 how do I solve this

Answers

Answer:

Step-by-step explanation:

1600

Answer:

1,600

Step-by-step explanation:

When dividing with fractions, remember this rule!!!!

KEEP SWITCH FLIP

- Keep the first fraction

- Switch the sign from division to multiplication

- Flip the second fraction so it becomes its reciprocal (the numerator becomes the denominator and the denominator becomes the numerator)

Let's begin!

640 ÷ 2/5

We know that every number divided by 1 is itself, thus every numerator has an invisible 1 as its denominator. Now we can rewrite it as:

640/1  ÷ 2/5

First, keep 640/1. Then change the ÷ into a ×

640/1 × 2/5

Next, flip the 2/5 so the 5 is on top and 2 is on the bottom

640/1 × 5/2

And multiply across!

640 × 5 = 3,200

1 × 2 = 2

3,200/2 = 1,600

Your answer is 1,600!!

Hope this helps clear things up for you. Let me know if you any other questions :D

Phương trình lượng giác

Answers

Answer:

Phương trình lượng giác là phương trình liên quan đến một hoặc nhiều tỉ số lượng giác của các góc chưa biết. Nó được biểu thị dưới dạng tỷ số của các góc sin (sin), cosin (cos), tiếp tuyến (tan), cotang (cot), secant (giây), cosecant (cosec). Ví dụ, cos2 x + 5 sin x = 0 là một phương trình lượng giác.

Step-by-step explanation:

Two quantities can only be added when they are ________​

Answers

This question has been answered in a secondary question post by the OP.

Choose the system of inequalities that best matches the graph below

Answers

Step-by-step explanation:

the correct answer is :

C. y ≥ 2x-1

y ≤ ⅓x + 1

What is the scale factor of point E (original point) to point F (new point) with P as the center of dilation.

Answers

Answer:

Answer is last alternative

scale factor (2)

please answer my question

Answers

Answer:  

Graph C

Step-by-step explanation:  

They are "opposites" for each other, and aside from 0, are functions.

(answered this on your other question, but I will put it here too!)

Son "opuestos" entre sí y, a excepción de 0, son funciones.

(respondí esto en tu otra pregunta, ¡pero también lo pondré aquí!)

LOOK AT SCREENSHOT WILL MARK BRAINLIEST WORTH 15 POINTS

Answers

[tex]m=7, (-5,1)[/tex]

In standard form it is [tex]y=7x+36[/tex] and in point-slope form it is [tex]y-43=7(x-1)[/tex].

help plshelp plshelp plshelp plshelp pls

Answers

Answer:

90 grams of paint

Step-by-step explanation:

Easy, if you check this is a 3 x 3 x 2 cube which totals 18

So if each small cube is 5 grams

18 * 5 = 90

90 grams of paint cuhhh

Help please asap give an explanation too.

A tarp is used to keep the infield of a baseball field from getting wet. The infield is a square. The corners of the square tarp are anchored at each base. The tarp is 8,100 square feet.
A. What is the distance between the first and second base?
B. Is 8,100 a perfect square? Explain.

Answers

I’ll do my best, but...

A. Since the area is 8100 sq ft and the shape is a square (area of a square = length x width) you take the square root of 8100 and get 90 ft as one of the sides. (90 ft x 90 ft = 8100 sq ft)

B. Yes, 8100 is a perfect square. A perfect square is a number made by squaring a whole number. It’s also the product of 2 equal integers. In this case, it’s 90.

Hope this helped, math isn’t my strong suit!

What is the total price of a $45.79 item when a 7% taxe is added

Answers

Answer:

$42.58

Step-by-step explanation:

You would multiply the price of the item (45.79) by the percentage as a decimal (0.07) and subtract the product.

in this case:

45.79x0.07 = 3.205 (rounded 3.21)

45.79-3.21 = 42.58

What's the slope of (1, 4) and (0, 11) ?​

Answers

Answer: Slope = -7

Concept:

Here, we need to know the formula that helps to find the slope by two points.

The slope of a line is a number that describes both the direction and the steepness of the line.

Slope = Δy / Δx = (y₂ - y₁) / (x₂ - x₁)

Solve:

Given information

(x₁, y₁) = (1, 4)

(x₂, y₂) = (0, 11)

Given expression

Slope = (y₂ - y₁) / (x₂ - x₁)

Substitute values into the expression

Slope = (11 - 4) / (0 - 1)

Simplify the values in the parentheses by subtraction

Slope = (7) / (-1)

Simplify by division

[tex]\boxed{Slope=-7}[/tex]

Hope this helps!! :)

Please let me know if you have any questions

What are the vertical and horizontal asymptotes for the function?


I already know the answer i just need an explanation on why D is correct

Answers

Answer:

What is the function, please?

Step-by-step explanation:

The difference between a number x and 12 is 19

Answers

Answer:

x-12=19

x=19+12

X=31........

Answer:31

Step-by-step explanation:

X-12=19. Add 12 to both sides x=31

plssss heeeeeeeeeeeeeeelp​

Answers

Answer:

-25

Step-by-step explanation:

brainliest?

what is the value of 5 in 3590​

Answers

Answer:

500

Step-by-step explanation:

The 5 means 500. The whole number is read three thousand-five hundred-ninety

Double a number, minus the sum of the number and six

Answers

Answer:

2x - (x+6)

Step-by-step explanation:

Solve each compound inequality

10m > 84

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

let's solve :

[tex]10m > 84[/tex]

[tex]m > \dfrac{84}{10} [/tex]

[tex]m > 8.4[/tex]

Diamond's monthly income is $3,200. She spends $1,280 a month on rent and groceries. What percentage of Diamond's income is used to pay for her rent and groceries?

Answers

Answer:

40% of her income

Please solve this problem... I will mark you brainliest

Answers

Answer:

y)(x 2) salamat po sana maka tulong

If 15% of 4x is 20 less than x, what is the value of x?

Answers

The sentence "15% of 4x is 20 less than x"

translates to    0.15 • (4x)  = x – 20

Solving that…

    0.15(4x) = x - 20           multiplipy 0.15•4

          0.6x = x - 20           subtract x from both sides

         -0.4x = - 20              divide both sides by -0.4

                x = 50

Other Questions
PLSSSSS HELPPP P PP P P P WUICKKKKLYLLYLYLYLYYYYY PLSSSSSTammy made $177 for 9 hours of work.At the same rate, how many hours would she have to work to make $133? THIS SHOULD BE EASY!!!!! please answer the question above! You have $500,000 saved for retirement. Your account earns 4% interest. How much will you be able to pull out each month, if you want to be able to take withdrawals for 15 years? 3. Which of the following describes a way that a speech is different from a written text?O A. Speeches are more difficult in delivering layers of ernotion to a subject matter.O B. Speeches give audiences lots of time to process the information.O C. Speeches make use of a speaker's voice, volume, timing, and tone.D. Speeches don't allow for much interaction between the author and the audience. Michelle is planting flowers in her garden. She wants the ratio of daisies to carnations to be 3 to 2. Michelle wants to plant a total of 40 flowers. How many daisies should she plant? A. 21 daisies B. 8 daisies C. 24 daisies D. 38 daisies When you toss a die while playing a game, you can get 1, 2, 3, 4, 5, or 6 on the top face. How many possible combinations of the top faces for the dice are there if:a) you must toss 4 diceb) you must toss n dice How might the story be different if it were told from Teresa's point of view? What is one benefit local economies have over globalized economies?A. They result in lower prices and a wider variety of goods forconsumersB. They make products available that are not usually produced in aregion.O C. They do not harm the environment by shipping products longdistancesD. They allow communities to build closer relationships withinternational banks. INQUIRY LABHOW DO You Breathe?Use and manipulate an improvised breathing apparatus similar to theone shown at the right in answering the following questions:Pull down the string attached to the center Of the large balloon.1.What happened to the two small balloons attached to the capillary tube?2.When the large balloon is not yet stretched or pulled down, how do the two small ballooappear?3.How does the improvised breathing apparatus simulate the breathing process?plss can u help me with thiss its realy a lot of help THANK YOU SO MUCHH in the late nineteenth century, who experimented on dogs to evaluate their "conditioned" responses, like salivation? Who in the central government has the power to provide patents? Why is this significant to the economy? The human intestines cannot break down or absorb fructans which leads to? Summarizing a Text by Jackie RobinsonQuiz Active Summarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz ActiveSummarizing a Text by Jackie RobinsonQuiz Active Summarizing a Text by Jackie RobinsonQuiz Active not be allowed in the major league. This is the way to frighten the fans and make them afraid to attend the games."What is the authors purpose for including these paragraphs?to inform readers about the history of race riots at American ballparksto inform readers about the challenges Rickey and Robinson expect to faceto persuade readers that all races should be treated equally in American sportsto entertain readers with a story about a fight between Ricky and Robinson Identify the Place Value of a Digit in the following exercises, find the place value of the given digits. 1. 579,601 (a) 9 (b) 6 (c) 0 (d) 7 (e) 52. .56,804,379 (a) 8 (b) 6 (c) 4 (d) 7 (e) 0 Which person would have been MOST likely to visit a US public hospital before 1915? Under the Alien and Sedition Acts of 1798, what restrictions were put on the press? How important are the credentials of the author to you when youre evaluating a claim? In what ways are Laura's mother in the story "Laura'sKey" and the mother in the poem "Mother to Son" similar? Howare they different? The area of land that supplies water to an aquifer is called__ x2y=1y=5x3Choose the correct answer below.A.The two lines are perpendicular.B.The two lines are neither parallel nor perpendicular.C.The two lines are parallel.D.More information is needed.