A. 113 cm²
B. 133 cm²
C. 133.14 cm²
D. 113.13 cm²​

A. 113 CmB. 133 CmC. 133.14 CmD. 113.13 Cm

Answers

Answer 1

Step-by-step explanation:

Surface area of cone = πr ( l + r)

= 22/7 × 4 (5+4

= 88/7 × 9

= 792/7

= 113.14 cm²

Answer 2

Answer:

D.  113.13 cm^2.

Step-by-step explanation:

I am assumming you want the surface area of this cone.

This = area of base + area of the curved side

= π r^2 + π r L

=  4^2 π + 4*5 π

= 113.13 cm^2.


Related Questions

Which equation can be used to find the nth term of the sequence, an? 5, 20, 80, 320, 1280, ...
an=4⋅5n−1

an=1.25⋅4n−1

an=5⋅4n−1

an=4⋅1.25n−1

Answers

Answer:

C.) 5 * 4^n-1

Step-by-step explanation:

Use the given method you use for finding the sequence with the terms.

Also K12 moment.

If it's wrong, please forgive me, I'm in the middle of the test as well.
I checked and I'm 99% sure this is the answer

Hope this helped despite being a little late!

Find the arc length of a central angle of 36° in a circle whose radius is 2 inches.

Answers

Answer:

y

Step-by-step explanation:

bc I told u to ..............

each row in the table below shows one possible set of angle measurements for this drawing

find the missing angle measurements​

Answers

Applying the definitions of angles on a straight line and vertical angles, the missing angle measurementts are given in the table atached below.

What are Angles on a Straight Line?

Angles found on a straight line equals 180 degrees.

What area Vertcial Angles?

Vertical angles are congruent angles that lie directly opposite each other.

Second Row:

m∠LGK = 45° (given in the diagram)

m∠IGH = 35° (given in the table)

m∠KGJ = m∠IGH (vertical angles)

m∠KGJ = 35°

m∠JGI = 180 - m∠KGJ (angles on a straight line)

m∠JGI = 180 - 35 = 145°

m∠HGL = 180 - m∠LGK - m∠IGH (angles on a straight line)

m∠HGL = 180 - 45 - 35 = 100°

Third Row:

m∠LGK = 45° (given in the diagram)

m∠HGL = 97° (given in the table)

m∠KGJ = 180 - m∠HGL - m∠LGK (angles on a straight line)

m∠KGL= 180 - 97 - 45 = 38°

m∠JGI = 180 - m∠KGJ (angles on a straight line)

m∠JGI = 180 - 38 = 142°

m∠IGH = m∠KGL (vertical angles)

m∠IGH = 38°

Thus, applying the definitions of angles on a straight line and vertical angles, the missing angle measurementts are given in the table atached below.

Learn more about straight line and vertical angles on:

https://brainly.com/question/14362353

Help me please. What is (2a+8) + (4a +5)

Answers

Answer:

6a + 13

Step-by-step explanation:

2a + 4a = 6a

8 + 5 = 13

6a + 13

Answer: 6a+13

Step-by-step explanation:

2a+8+4a+5

2a+13+4a

now combine like terms:

2a+13+4a=

6a+13

NEED ANSWERS TO THESE PAGES!!!!!

Answers

1. B
2. C
3. B
4. 0.045p +p
5. A
6. B

Given the function f(x)=3-2x^2, find k such that f(k)=-3

Answers

Answer:

k = ±√3

Step-by-step explanation:

Given :

f(x) = 3 - 2x²f(k) = -3

To find the value of k, we need to equate both the functions to find the value of x such that it is equal to the value of k.

⇒ 3 - 2x² = -3⇒-2x² = -6⇒ x² = 3⇒ x = ±√3

We already set a relation before, which is :

x = kTherefore, k = ±√3

WHOEVER ANSWERS THE QUESTION FIRST WILL GET 15 POINTS!!!!!

Answers

Answer:

b

Step-by-step explanation:

the answer is b

in the problem you can put the expression into a calculator and you will get the answer 3

in option b, y+2=3 bc a variable is always equal to one so your basically adding 1+2 which is equal to 3

I HOPE I HELPED A BIT<3

Explain the error and solve with correct step.

-5x + 9 - 9x < 21

-4x + 9 < 21

-4x < 12

x > -3

Answers

i don’t know i have a feeling it has to do something with the -4

PLS HELP ME ASAP I WILL MARK THE BRAINLIEST

Answers

Answer:

1:3, 24/8=3/1

What is the equation of the line passing through (0,2), with a slope of 5?

Answers

Answer:

y=mx+c

Finding the y-intercept by substituting the given points into the equation.

y=mx+c

2=5(0)+c

2-5=c

-3=c

Now, the equation is:

y=5x-3

What is the measure of \angle D∠Dangle, D?

Answers

Answer:

135⁰

Step-by-step explanation:

As in cyclic quadrilateral sum if opposite angles is equal to 180⁰

what are the numbers for pie I need to know

Answers

Answer:

Pi is exactly [tex]3.1415926535897932384626433832795[/tex]

Pi is often used in mathematical expressions, calculating measurements, and finding circumference as well as volume.

Hi I just need quick answers !

Answers

Question 1: Perimeter of baseDefinition of Perimeter: is the of the side lengths

         ⇒ Perimeter = 10 + 10 + 10 + 10 = 40 ft

Question 2: Find the slant height Definition of Slant Height:  is the distance measured along a lateral face from the base to the center along the "center" of the face

        To understand the slant height, look at the diagram I attached

       Slant height: 13 ft

Question 3:  Find the Lateral AreaDefinition of Lateral Area: Area of the non-base faces only

         ⇒ Lateral Area = 4 * (Area of Triangle)

                                    = [tex]4*(\frac{1}{2} *10 * 13) = 4 * 5* 13 = 260ft^2[/tex]

                                    = 260 ft^2

Question 4: Area of Base

       Area of Base = 10 * 10 = 100ft^2

Question 5: Surface AreaDefinition of Surface Area: sum of the areas of surfaces of the figure

        Surface Area = Area of Base + Lateral Area

                               = 100 + 260 = 360 ft^2

Hope that helps!

Evaluate each algebraic expression.

3w + 4 ; w = 1/4, 7, -2

Answers

Check my attached work for answer
Hope it helps, let me know if you have questions!:

Help Needed. Please.....!

Answers

Answer:

1  7/8

Step-by-step explanation:

You just have to subtract 2 from 1/8.

1) 3x + 6 - 2 + 5x
2) a bicycle is originally priced at 80$. The store owner gives a discount and the bicycle is now 60$. What percent discount was taken off?

Answers

Answer: ✨4(2+1)✨

Step-by-step explanation: ✨3+6−2+53x+6−2+5x3+4+53✨

Answer:

4(2x + 1)

---->

Step-by-step explanation:

1:    3x + 6 - 2 + 5x = 4(2x + 1)

2:    Orignal Cost=80

Discounted Cost=60

Discount=80-60=20

Discount%=(20/80)*100=25%

A grain silo has a cylindrical shape. Its radius is 8ft, and its height is 36ft. What is the volume of the silo?

Use the value 3.14 for[tex]\pi[/tex], and round your answer to the nearest whole number.
Be sure to include the correct unit in your answer.

Answers

The volume of a silo cylinder with radius of 8 feet and height of 36 feet is 7235 feet cube.

Volume of a cylinder

The volume of a cylinder can be calculated as follows;

Volume = πr²h

where

r = radiush = height

Therefore,

r = 8 ft

h = 36 ft

volume = 3.14 × 8² × 36

volume = 3.14 × 64 × 36

volume of the silo = 7234.56

Therefore, the volume of the cylindrical silo is 7235 ft³

learn more on volume here: https://brainly.com/question/27270919

Express the trig ratios as fractions in simplest terms.

Answers

Answer:

See below

Step-by-step explanation:

[tex]\cos M=\frac{adjacent}{hypotenuse}=\frac{56}{70}=\frac{4}{5}\\\\\sin L=\frac{opposite}{hypotenuse}=\frac{56}{70}=\frac{4}{5}[/tex]

Hence, both ratios are equal to each other

Does the graph represent a function? Why or why not?

Answers

Yes, because there are no x repeats (passed vertical line test).

i need help with this i don't know how to do it.​

Answers

Answer:

1935 were supporting the home team

Step-by-step explanation:

Since there are 4,500 people attending the game, we must find 43% of that. Doing this, we need to multiply 43% or .43 by 4,500.

After solving, you should get 1,935. There were 1,935 people supporting the home team.

The angle \theta_1θ 1 ​ theta, start subscript, 1, end subscript is located in Quadrant \text{III}IIIstart text, I, I, I, end text, and \sin(\theta_1)=-\dfrac{\sqrt{3}}{2}sin(θ 1 ​ )=− 2 3 ​ ​ sine, left parenthesis, theta, start subscript, 1, end subscript, right parenthesis, equals, minus, start fraction, square root of, 3, end square root, divided by, 2, end fraction .

Answers

So the answer is 4 I’m right u wrong ok I’m tell the truth trust me I got 5 hearts this morning

help me solve please show steps

Answers

There can be several possibilities and causes

y>2x-1

Then line will be dashed and solution region to be shaded.

y<2x-1

Same like before

y≤2x-1

Solid line should be done and shading the solution region

y≥2x-1

Same like before

y=2x-1

A straight line and no shading

Credit: Mister Brainly

There can be several possibilities and causes:

y>2x-1

Then line will be dashed and solution region to be shaded.

y<2x-1

Same like before

y≤2x-1

Solid line should be done and shading the solution region

y≥2x-1

Same like before

y=2x-1

A straight line and no shading

Which of the following equations would describe the graph shown below?

Answers

Answer:

2

Step-by-step explanation:

HEL PLS ITS MY HOMEWORK AND I REALLY NEED HELP

Answers

Answer and explanation:

Take the area formula:

A = L * W

Then manipulate it to fit the context of which unknown you are finding:

Problem 1

[tex]\dfrac{36 = 4 * W}{4}[/tex]

[tex]9 = W[/tex]

So, the length of side c is 9 mm.

Problem 2

[tex]\dfrac{21 = W * 21}{21}[/tex]

[tex]1 = W[/tex]

So, the length of side a is 1 m.

Problem 3

[tex]\dfrac{49 = 7 * W}{7}[/tex]

[tex]7=W[/tex]

So, the length of side t is 7 cm.

Last one, I promise!!! ._.

19x+28=20x-53

Answers

Answer:

x = 81

Step-by-step explanation:

Given:

[tex]\displaystyle \large{19x+28=20x-53}[/tex]

Subtract both sides by 28:

[tex]\displaystyle \large{19x+28-28=20x-53-28}\\\displaystyle \large{19x=20x-81}[/tex]

Subtract both sides by 19x:

[tex]\displaystyle \large{19x-19x=20x-81-19x}\\\displaystyle \large{0=x-81}[/tex]

Add both sides by 81:

[tex]\displaystyle \large{0+81=x-81+81}\\\displaystyle \large{81=x}\\\displaystyle \large{\therefore x=81}[/tex]

Therefore, the solution is x = 81

Let me know if you have any questions!

[tex]{\boxed{\mathfrak{✿ฺSolution :}}} [/tex]

[tex] \bold{ 19x+28 = 20 x - 53 }[/tex]

[tex] \bold{ 19x+28 - 28 =20x - 53 - 28}[/tex]

[tex]\bold{ 19x = 20x - 81 }[/tex]

[tex]\bold{ 19x - 20x = 20x - 81 - 20x }[/tex]

[tex]\bold{ -x = - 81 }[/tex]

[tex]\bold{ \frac{ - x}{ - 1} = \frac{ - 81}{ - 1} }[/tex]

[tex] \bold{ x = 81 }[/tex]

What is the scale factor of this dilation?

Answers

Answer:

I am not sure but I thing it is -2.

Step-by-step explanation:

Hope it helps! (Please mark brainliest if it does!)

1.6667

Step-by-step explanation:

the lengths are the same on both sides which makes the triangles equilateral

therefore the scale=5/3

=1.6667

Tell whether each number is rational or irrational.0.121121112....

Answers

A rational number is any whole number or fraction that ends or repeats. An irrational number is a number that cannot be turned into a fraction.


It’s kind of hard to read the numbers because they’re to close but I hope that that helped you a little

2x(5x-2)+(3x-0.5)*2=2x+3+10x-5+2x+3
Find X
(give step by step)

Answers

Answer:

x = 1.348331477 and 0.148331477

Step-by-step explanation:

TEPS USING THE QUADRATIC FORMULA2x(5x−2)+(3x−0.5)2=2x+3+10x−5+2x+3Use the distributive property to multiply 2x by 5x−2.10x2−4x+(3x−0.5)×2=2x+3+10x−5+2x+3Use the distributive property to multiply 3x−0.5 by 2.10x2−4x+6x−1=2x+3+10x−5+2x+3Combine −4x and 6x to get 2x.10x2+2x−1=2x+3+10x−5+2x+3Combine 2x and 10x to get 12x.10x2+2x−1=12x+3−5+2x+3 Subtract 5 from 3 to get −2.10x2+2x−1=12x−2+2x+3Combine 12x and 2x to get 14x.10x2+2x−1=14x−2+3Add −2 and 3 to get 1.10x2+2x−1=14x+1Subtract 14x from both sides.10x2+2x−1−14x=1Combine 2x and −14x to get −12x.10x2−12x−1=1Subtract 1 from both sides.10x2−12x−1−1=0Subtract 1 from −1 to get −2.10x2−12x−2=0This equation is in standard form: ax2+bx+c=0. Substitute 10 for a, −12 for b, and −2 for c in the quadratic formula, 2a−b±b2−4ac​​.x=2×10−(−12)±(−12)2−4×10(−2)​​Square −12.x=2×10−(−12)±144−4×10(−2)​​Multiply −4 times 10.x=2×10−(−12)±144−40(−2)​​Multiply −40 times −2.x=2×10−(−12)±144+80​​Add 144 to 80.x=2×10−(−12)±224​​Take the square root of 224.x=2×10−(−12)±414​​The opposite of −12 is 12.x=2×1012±414​​Multiply 2 times 10.x=2012±414​​Now solve the equation x=2012±414​​ when ± is plus. Add 12 to 414​.x=20414​+12​Divide 12+414​ by 20.x=514​+3​Now solve the equation x=2012±414​​ when ± is minus. Subtract 414​from 12.x=2012−414​​Divide 12−414​ by 20.x=53−14​​The equation is now solved.

x=514​+3​x=53−14​​

need it ASAP If a graph shows intersecting lines that represent a system of equations, how many solutions does that system of equations have?
Infinite solutions
No solution
Two solutions
One solution

Answers

Answer: Well, the answer really depends. But here are a few ways you can figure this out.

Step-by-step explanation:

If the two lines intersect once, then they have one solution.

If they intersect twice there are two solutions

If the lines never intersect, there are no solutions

And if the lines are identical, meaning that their equation is exactly the same. There are infinite solutions.

A solution with systems of equations is determined by the point of intersection. Your answer is the point of intersection

I hope this is helpful! : )

Answer:

no s

Step-by-step explanation:

A group of coins is shown below. What is the probability and it's compliment of randomly selecting a nickel?

Answers

Answer:

Please post the full question.

Step-by-step explanation:

I am trying to help, but the question is missing some key info.

Please dont delete, as when he posts the full thing, I will reply to this answer with the answer and explanation.

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