the cylinder has a height of 30cm and radius 11cm. work out the total surface area of cylinder

Answers

Answer 1

Answer:

total surface area=2832.66 cm^2

Step-by-step explanation:

11^2(3.14)x2=area of ends=760.26 cm^2

11x2x3.14=circumference=69.08 cm

69.08x30=area of side=2072.4 cm^2

2072.4+760.26=2832.66 cm^2


Related Questions

9
2. What value of x makes the equation
3
113
=
true?

Answers

No the answer is false

Answer:

i don't understand what your asking, but i hope this helps

Step-by-step explanation:

the process of ascertaining the variable value that makes the equation true is called 'solving' the equation. An equation is a verbalization that two quantities are equipollent. For exp/example:. x + 1 = 4 betoken that when we integrate 1 to the unknown value, 'x', the answer is equipollent to 4

Log(x+4)=8

Please help I don’t understand it I will give brainliest

Answers

The answer should be 2

Express the fraction 1/15^7 using a negative exponent

Answers

Answer:

I think its 15^-7

Step-by-step explanation:

you can forget about the one and just look at the 15 and 7 which you get 15^-7

The fraction (1/15)⁷ can be written as 15⁻⁷ after using the properties of the integer exponent.

What is an integer exponent?

In mathematics, integer exponents are exponents that should be integers. It may be a positive or negative number. In this situation, the positive integer exponents determine the number of times the base number should be multiplied by itself.

It is given that:

The number expression is:

= (1/15)⁷

As we know, from the definition of the integer exponent;  integer exponents are exponents that should be integers. It may be a positive or negative number.

After using the properties of the integer exponent:

= (15⁻¹)⁷

= 15⁻⁷

Thus, the fraction (1/15)⁷ can be written as 15⁻⁷ after using the properties of the integer exponent.

Learn more about the integer exponent here:

brainly.com/question/4533599

#SPJ2

How many triangles can be constructed with angles measuring 50º, 90º, and 40º?

Answers

Answer:

Infinite

Step-by-step explanation:

We know that in a triangle the sum of all the interior angles must be 180°.

The given angles 50º, 90º and 40º

The sum of the angles 50º+ 90º + 40º= 180°

Thus, a triangle is possible with the given measurement.,

Let there is another triangle with the given angles, then by AAA similarity criteria they are similar.

Similarly, all the triangles with the same measurements of the angles must be similar.

Therefore, there are infinite number of triangles can be possible with angles measuring 50º, 90º, and 40º.

1.
Last year, the ratio of literate and illiterate people of Rashkundu Village was
4:1. If the population of the village is 6550, let's find the numbers of literate
and illiterate people.​

Answers

Step-by-step explanation:

Let the literate and illiterate people of Rashkundu Village be 4x and x respectively then 4x + x = 65505x = 6550x = 6550 / 5x = 1310Therefore no. of literate people = 4 * 1310 = 5240no. of illiterate people = 1310 Hope it will help :)

Answer:

5,240 literate

1310 illiterate

Step-by-step explanation:

-ratio of literate : illiterate is 1:4

-add the numbers in the ratio (4+1=5)

-divide total population by 5 (6,550/5= 1,310)

-multiply the outcome by 4 to find the number of literate people (1,310*4=5,240 people)

-subtract the number of literate people from total population to find number of illiterate people (6,550-5,240= 1,310 people).

Jackie is buying crackers and wants to know how many crackers are in the box. The box is 8 cm long, 2.4 cm wide, and 60 cm high. The dimensions of the crackers are 3cm long, 4 cm wide, and 5 cm high. How many crackers are in the box? Round to the nearest whole number. Geometry

Answers

Answer:

19

Step-by-step explanation:

Number of crackers that can be fit into the box = volume of the box / volume of crackers

Volume = length x width x height

volume of the box = 8 cm x 2.4 cm x 60 cm = 1152 cm^3

Volume of the crackers = 3cm x 4 cm x 5cm = 60cm^3

1152/60 = 19.2

Rounding 19.2 to the nearest whole number gives 19

what is the lcm of 3y and 6x?

Answers

Step-by-step explanation:

First expression = 3y

second expression = 3 * 2 x

LCM = 3 * 2x * y = 6xy

what is the distance between points M(-3, 1)and N(7, -3)​

Answers

Answer:

d = 2√29 units

Step-by-step explanation:

M(-3, 1)and N(7, -3)​

To find the distance between these two points, we want to use the distance formula: d = √[(x₂ - x₁)² + (y₂ - y₁)²]

Plug in the values.

d = √[(7 - (-3))² + (-3 - 1)²]

Simplify the parentheses.

d = √[(7 + 3)² + (-4)²]

d = √[(10)² + (-4)²]

Simplify the exponents

d = √[(100 + 16)]

Simplify the parentheses by adding.

d = √[116]

Simplify the brackets with the square root.

Since 116 is not a perfect square, we need to find two numbers that multiply to 116. One number must be a perfect square. The other must be a prime number.4 • 29 = 116. Therefore √4 • √29 = √116√4 = 2. Therefore 2√29 = √116

d = 2√29 units

Hope this helps!

Pamela's age is two times Jiri's age. The sum of their ages is 84. What is Jiri's age?

Answers

Answer:

28

Step-by-step explanation:

28 times 2 = 56

28 times 1 = 28

56 + 28 = 84

If the expression 2xy^{-2}{4xy^2} is written in the form ax^by^c, then what is the product of a b and c?

Answers

Answer: The product of a b and c is 0.

Step-by-step explanation:

The given expression : [tex]2xy^{-2}{4xy^2}[/tex]

[tex]=2\times4x^{1+1}y^{-2+2}\ \ \ \ [\text{Property of exponents: } a^m\times a^n=a^{m+n}][/tex]

[tex]=8x^2y^0[/tex]

When we compare this to [tex]ax^by^c[/tex], we get a=8, x=2, y=0

The product of a, b and c = [tex]a\times b \times c[/tex]

[tex]=8\times2\times0\\\\=0[/tex]

The product of a b and c is 0.

1/5 ÷ 7 = ______________________________

Answers

0.02857 hope this helps

Answer:

1/35

Step-by-step explanation:

1/5*7 = 1/35

can someone help me with this?

Answers

He can buy 4
$30-$12=18
18 divided by 4= 4.5 so he can only buy 4

Let n = number of gum packs he buys.

After he starts with 30, spends 12, then spends 4n, he must have at least 0 remaining. So:

[tex]30-12-4n\geq 0[/tex]

Simplify by subtracting 30-12:

[tex]18-4n\geq 0[/tex]

Subtract 18 from both sides:

[tex]-4n\geq -18[/tex]

Divide both sides by -4 (flip the sign when you multiply or divide by a negative):

[tex]n\leq 4.5[/tex]

You can only buy a whole number of gum packs, so:

[tex]n\leq 4[/tex]

Preston can buy up to 4 gum packs, assuming his money isn't stollen my monke

What is the area of the trapezoid?
9 cm
8 cm
17 cm

Answers

It would be a= 136cm squared

Which surveys would a sample be appropriate for? Mark all that apply.

A. Helen wants to know the favorite sport of adults in her town.

B. Caleb wants to know the type of music his current teachers like.

C. Jaclyn wants to know the average weight of her sisters' backpacks.

D. Kevin wants to know the most common way students get to school.

E. Roberto wants to know the average height of the people sitting at his table.​

Answers

Answer:

a d

Step-by-step explanation:

Answer:

..............................

Step-by-step explanation:

if g(x)=f(1/3x), which statement is true?

A the graph of function f is Stretched vertically by a scale factor of 3 to create the graph of function g

B The graph of function F stretched horizontally by a scale factor of 3 to create the graph of function g

C The graph of the function F is compressed horizontally by a scale factor of 1/3 to create the graph of function G

D The graph of function F is compressed vertically by a scale Factor of 1/3 to create the graph function G​

Answers

The answer to this question is C

Answer:

Step-by-step explanation:

Hope this Helps ;)

A bicycle Rocco wants to buy is $282. If the sales tax rate is 4% of the total price how much sales tax will Rocco pay?

Answers

Answer:

he will pay 11.28 dollars. I hope it helps!

Answer:

Your answer would be $11.28

Step-by-step explanation:

if you find 4% of 282 you would get 11.28 so therefore it is your answer.

Find the missing length. If needed, round to the nearest tenth.
B
7
E
3
G
The value of x is 2

Answers

Answer:

Step-by-step explanation:

AB = BG

10 = 7+x

x = 3

Given the function f(x)=4^x+3

Answers

Answer:

f(x)=4^x+3

Step-by-step explanation:

ok annnnnd

Which is the equation of a line perpendicular to y = 5x – 3?

Answers

M perpendicular =-1/5
To find the slope and y intercept the answer is
Slope :5
Y - intercept: (0,-3)

a building in the shape of a rectangle is 120 feet long and 90 feet wide. if a fence is to be constructed along te diagonal of the lot, find the length of the fence in feet

Answers

Answer: The length of the fence will be 150 feet

Step-by-step explanation:

The question is asking you to find the hypotenuse of a rectangle with a length of 120 feet and a width of 90 feet. To find the hypotenuse we will need to use the formula   a^2 + b^2 = c^2

120 feet will be a

90 feet will be for b  

this is because a and b are the two legs of the rectangle.

120^2 + 90^2 = c^2

14400 + 8100 = c^2

22500 = c^2

   c =√22500

 c= 150

what is y^6 times y ^5

Answers

Answer:

Y^11

Step-by-step explanation:

since their the same base “y” add the exponents

6 + 5 = 11

X Y
15 3
25 5
35 7
45 9
50 10


y =

Answers

Answer:

12,14,15

Step-by-step explanation:

Y= 5x3 because the first one is 15 for x and y is 3

Determine the relationship between the two triangles and whether or not they can be proven to be congruent.

The two triangles are related by
, so the triangles
.

Answers

9514 1404 393

Answer:

  yes, the triangles are congruent -- by the SAS congruence postulate

Step-by-step explanation:

Two sides and the angle between them are marked congruent, so the Side-Angle-Side (SAS) congruence postulate applies.

The two triangles are SAS congruent.

|0-(-1/2)| evaluate​

Answers

Answer:

21/2

Step-by-step explanation:

step 1: remove parentheses

10+1/2

step 2: calculate

21/2

(alternative forms: 10 1/2, 10.5)

surface area - multi step

Answers

Answer:

£208

Step-by-step explanation:

Given:

Height of solid box (h) = 20 cm

Width (w) = 80 cm

Length (l) = 10 cm

Cost of paint = £0.04 per cm²

Required:

Cost of painting the box

Solution:

✔️First, find the surface area of the box

Surface area = 2(l*w + l*h + w*h)

S.A = 2(10*80 + 10*20 + 80*20)

S.A = 2(800 + 200 + 1,600)

S.A = 2(2,600)

S.A = 5,200 cm²

✔️Find the cost of painting 5,200 cm² surface area of the box.

Cost of pianting 1 cm² = £0.04

Cost of painting 5,200 cm² = 5,200 × 0.04

Cost of painting the box = £208

6. Which graph matches the inequality ?
K > -7

Answers

Answer:

Option 4

Step-by-step explanation:

Since k is greater than or equal to -7, the number line should be going in the right direction, along with the starting point being shaded.

Write
22
3
as a mixed number.
Give your answer in its simplest form.

Answers

[tex]\frac{22}{3}[/tex]  = 7[tex]\frac{1}{3}[/tex]

Hope this helps :-)

1 Write an equation where a number is added to a variable, and a solution is -8.

Answers

Answer:

n+v= -8

Step-by-step explanation:

number=n; variable=v

n+v=-8

WILL MARK BRAINLIEST


Can someone please check my answer, if it’s wrong please correct me

Answers

Answer:

Yes

Step-by-step explanation:

It is symmetrical on the y-axis so must be.

Answer:

correct

Step-by-step explanation:

A rectangle Is (2x-3) cm long and (x+7) cm wide. What Is It's area?​

Answers

Answer:

Step-by-step explanation:

Length (L)= 2x - 3 cm

Breadth (b) = x + 7 cm

Area of the rectangle

= L * b

= ( 2x - 3)(x+ 7)

= 2x(x + 7) - 3(x + 7)

= 2x² + 14x  - 3x - 21

=( 2x² + 11x - 21) cm²

hope it helps

Answer:

[tex]2x^{2}[/tex] + 11x -21 [tex]cm^{2}[/tex]

Step-by-step explanation:

Area of a rectangle = Length × Width

= (2x-3)(x+7)

Multiply 2x with x, 2x with +7, -3 with x and -3 with +7

= [tex]2x^{2}[/tex] + 14x - 3x - 21

= [tex]2x^{2}[/tex] + 11x -21 [tex]cm^{2}[/tex]

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