You make a cylindrical glass with an open top in industrial technology class. What is the surface area of the outside of the glass? Round your answer to the nearest hundredth, if necessary.

You Make A Cylindrical Glass With An Open Top In Industrial Technology Class. What Is The Surface Area

Answers

Answer 1

Answer:

4247.4 cm^2 after rounding to the nearest tenth
or 4247.43 cm^2 after rounding to the nearest hundredth

Step-by-step explanation:

the surface area can be split into 3 parts, the top, bottom, and side
the top and bottom areas are pretty easy, it's just the area of a circle
A = pi*13^2, which is 169pi for one circle, or 338pi for two
now, imagine the middle being unwrapped into a rectangle. the height of this rectangle is 39cm, and the length is just the circumference of the top/bottom circle, which is 2*pi*13, or 26pi cm
area is base*height, so 1014pi
add the two parts up (1014pi+338pi) to get 1352 pi, or about 4247.433
round to the nearest tenth to get 4247.4 cm^2
round to the nearest hundreth to get 4247.43 cm^2


Related Questions

HELPPP! Lin selects one type of lettuce and one dressing to make a salad.

Answers

Answer:

The answer is 6

Step-by-step explanation:

There are 2 types of lettuce and 3 types of  dressing and 2*3 =6

best answer is 6 top person correct

A rectangle is 4.5 centimeters wide and 6 centimeters long. Calculate the perimeter of the rectangle, in millimeters.
270 millimeters
1.05 millimeters
210 millimeters
105 millimeters

Answers

Answer:

210 millimeters

Step-by-step explanation:

There are 10 millimeters in every centimeter.

Width of 4.5cm x 10 = 45 millimeters

Length of 6cm x 10 = 60 millimeters

To figure perimeter, you add all 4 sides.

60 + 60 + 45 + 45 = 210

Perimeter of rectangle = 210 millimeters

The correct option is C.

What is rectangle?

A rectangle is a type of quadrilateral that has its parallel sides equal to each other and all the four vertices are equal to 90 degrees. Hence, it is also called an equiangular quadrilateral.

Since, the opposite sides are equal and parallel, in rectangle, therefore, it can also be termed as a parallelogram.

Given,

Length of rectangle = 6 cm

Width of rectangle = 4.5 cm

Perimeter of rectangle = 2(length + width)

                                      = 2(6 + 4.5)

                                      = 2(10.5)

                                      = 21 cm

1 cm = 10 mm

Perimeter of rectangle = 210mm

Hence, 210 millimeters is the perimeter of the rectangle.

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The probability of rolling two number cubes whose numbers match is 6/36
Where does the number 36 come from?
Explain your thinking.

Answers

Answer:

The 36 is the total number of choices possible. Two cubes are rolled. If a 1 is rolled on one cube, there are 6 possible choices on the other cube (1, 2, 3, 4, 5, 6). If a 2 is rolled on one cube, there are 6 possible choices on the other cube (1, 2, 3, 4, 5, 6). After doing this for all 6 numbers on the first cube, you find that there are 6+6+6+6+6+6 or 6*6 possible choices. 6*6 is 36, so that is where the 36 is from. You can also use the Fundamental Counting Principle.

It comes from the number cubes

Please help, will give brainliest!!

Answers

Answer:

C. 45.6 and 135.6

Step-by-step explanation:

Complementary angles add up to 90 supplementary angles add up to 180

Just subtract 90-44.4

and

180-44.4

Oh you got it just ask for help when you ned it.

What is the Lowest Value? 0, 1, 6, 7, 1
What is the Lower Quartile?
3, 1 , 1.5, 2
What is the Median?
4, 4.5, 3.5, 6,
What is the Upper Quartile?
6.5, 6, 7, 4.5,
What is the Highest Value? 3, 6.5, 6, 7​

Answers

Answer:

Step-by-step explanation:

First Quartile Q1 = 1.75

Second Quartile Q2 = 2.5

Third Quartile Q3 = 3

Interquartile Range IQR = 1.25

Median = Q2 x˜ = 2.5

Minimum Min = 1.5

Maximum Max = 3

Range R = 1.5

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

First Quartile Q1 = 4.5

Second Quartile Q2 = 6.25

Third Quartile Q3 = 6.75

Interquartile Range IQR = 2.25

Median = Q2 x˜ = 6.25

Minimum Min = 3

Maximum Max = 7

Range R = 4

Answer:

First Quartile Q1 = 1.75

Second Quartile Q2 = 2.5

Third Quartile Q3 = 3

Interquartile Range IQR = 1.25

Median = Q2 x˜ = 2.5

Minimum Min = 1.5

Maximum Max = 3

Range R = 1.5

Step-by-step explanation:

Find the area of the figure. Round your answer to the nearest hundredth, if necessary.

Answers

Answer:

127.23

Step-by-step explanation:

Since it is a semicircle, it means that it is half a circleUse the formula [tex]A=\frac{\pi r^{2}}{2}[/tex], where A is the area and r is the radiusRadius is half diameter, so it would be 9Substitute in values[tex]\frac{81\pi}{2}[/tex]=127.23

Find the surface area of the pyramid. The side lengths of the base are equal.
11.4 yd
6 yd
The surface area is
square yards.

Please help !:)

Answers

Answer:

A = 177.46

Step-by-step explanation:

[tex]A = lw + l\sqrt{(\frac{w}{2})^{2} + h^{2}} + w \sqrt{(\frac{l}{2})^{2} + h^{2}[/tex]

A = 6*6+6root((6/2)^2+11.4^2)+6root((6/2)^2+11.4^2)

A = 177.46

Surface area is 177.46

Which statement is true?

Answers

Answer:

1/3 = 4/12

Step-by-step explanation:

4/12 can be reduced to 1/3 since 4 goes into 12 three times and into 4 once.

1/3 = 4/12 is the correct answer choice

You basically need to convert the fractions to the same denominator

1 4 4
- * - = -
3 4 12

a living room ia 12 feet long if a 2ft 4in shelf is centered on the wall, how far uis it from the edge of the wall to the edge of the shelf?

Answers

Answer:

4 feet 10 inches

Step-by-step explanation:

12 feet -2 feet = 10 feet

10 feet - 4 inches = 9 feet 8 inches

half of 9 feet is 4 feet 6 inches

half of 8 inches is 4 inches

4 feet 6 inches + 4 inches = 4 feet 10 inches

It is 4 feet and 10 inches

Answer the question below

Answers

Answer:

The answer is, B / 93.75 square feet

Step-by-step explanation:

Base on of trapezoid = 12.5 ft

Base two iss 0.5 times the length of base one.

Base two = (12.5 x 0.5) ft = 6.25 ft

height = 10 ft

Area of trapezoid ground = 1/2 (sum of the kengths of the parallel sides) x height

= 1/2 (12.5 + 6.25) x 10

= 1/2 x 18.75 x 10

= 93.75 square feet

Hope this help!

Insert the appropriate number in the following sentences so that they describe the combination of opposite quantities that result in 0.

A. Joe borrowed $6 from a friend. To get the money to pay back his friend, he can charge his neighbor $ ( ) to walk her dog on Saturday.

B. After 9 holes, a golfer is 3 over par. To finish this round at par, she will have to complete the last 9 holes at ( ) under par.

C. In March 2012, James Cameron, the director of Titanic, dove 11,034 meters into the Mariana Trench inside the Deepsea Challenger. To return to the surface, the Deepsea Challenger had to ascend ( )
meters.

D. A bathtub that is half full has sprung a leak. It is losing 70 mL of water per second. Therefore, the faucet must run at ( )
mL per second in order for the tub to remain half full.

Answers

Answer:

the answer is: 6, 3, 11,034, and 70

Step-by-step explanation:

i've done that problem already.

Answer:

the answer is 6 3 11,034 and 70

Step-by-step explanation:

have a nice day.

Can anyone solve this?

Answers

Answer:

[tex]88cm^{2}[/tex]

Step-by-step explanation:

The area of 2 sides of the triangle altogether is 48[tex]cm^{2}[/tex];

The other 2 sides of the triangle has an area of 40[tex]cm^{2}[/tex];

add them together and you have your answer; 88[tex]cm^{2}[/tex].

Hope This Helps! :) Please Give Brainliest if you can!

I am pretty confident in my answer, but if this is wrong, please tell me and I will fix my mistakes!

pls help quick. A teacher surveys a random group of students about their preference for doing classwork online or on paper. The results are shown in the table below. Based on the results, how many students out of 350 will most likely have a preference to do their class work online?

Results:

Online: 17
Paper: 8

Answers

238 students would most likely have a preference to do class work online.

The number of students those who will most likely have their preference  to do their classwork online is 238 out of 350

What is the probability?

The Probability in mathematics is the possibility of an event in time. In simple words, how many times that incident is happening in any given time interval.

According to the question statement:

A teacher surveys a random group of students about their preference for doing classwork online or on paper.

17 preferred online and 8 preferred on paper.

To find the number of students who will most likely have their preference to do their classwork online:

We will apply the concept of probability.

Probability(Event) = Favorable Outcomes/Total Outcomes

For the survey,

probability of students preferring online mode of classwork is = 17 /(17+8)

= 17/25

= 0.68

Now if we consider a group of 350 students and probability of students preferring online mode of classwork as 0.68

Let m be the number of students preferring online mode of classwork.

m / 350 = 17/25

m / 350 = 0.68

m = 350 x 0.68

m = 238

Therefore, the number of students are 238.

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A box of spaghetti is 3 in. wide, 10 in. tall, and 2/3 in. thick. What is the volume of the box of spaghetti?

options:

10 in cubed


15 in cubed


20 in cubed


30 in cubed

Answers

Answer:

The spaghetti box is 20 in cubed

Step-by-step explanation:

To get volume, we multiply the length times width times the height. But, to make this easier, we can make 2/3 into a decimal. The decimal form is 0.666666667. Now, we can put the numbers into a calculator.

3 * 10 * 0.666666667 = 20

The spaghetti box is 20 in cubed

The correct answer is 20 in cubed. Hope this helps :)

Find the volume of the prism.

Answers

Answer:

238m

Step-by-step explanation:

volume=length,width,height

Answer:

238

Step-by-step explanation:

Multiply 4 and 7 to get 28

[tex]20( \frac{8 x 2 +1}{2})[/tex]

Multiply 8 and 2 to get 16

[tex]28(\frac{16+1}{2} )[/tex]

Add  16 and 1 to get 17

[tex]28(\frac{17}{2} )[/tex]

Express 28 and [tex]\frac{17}{2}[/tex] as a single fraction

[tex]\frac{28x17}{2}[/tex]

Multiply 28 and 17 to get 476

[tex]\frac{476}{2}[/tex]

Divide 476 by 2 to get 238

math problem please help me

Answers

Answer- 400 i think

A=2(wl+hl+hw)

Over the past fifteen years, a business owner has made at most $4,000 in profits each week.

Which graph represents the business owner’s possible profits each week?

Answers

Answer: 3,120,000

Step-by-step explanation: there are 52 weeks in a year:

52 x 15 = 780

Now multiply the salary to it:

780 x 4,000 = 3,120,000

When soccer games are tied at the end of overtime, they are decided by penalty kicks. Each team gets `5` kicks. A coach knows that her team typically makes a penalty kick about `60\%` of the time. She decides to run a simulation of this situation.

Based on these results, estimate the probability that the team makes `2` or fewer penalty kicks.

Answers

Answer:

40%

Step-by-step explanation:

if the percent made is 60% then it would be 100%-60%=40% and also the denominater was 100 so it is very easy to do

Formula: x divided by y *100 = the percentage also

0.5x-y≥3
x+y<3
pls show your work

Answers

Answer:

x ≥ 4

y ≤ -1

Step-by-step explanation:

x = 4 and y = -1 are the first set of values that can satisfy both conditions.

A car rented for $29 per day plus $.08. Julia paid $46.12 for a one day rental. How far did she drive?

Answers

Answer:214

Step-by-step explanation:$46.12-$29 = $17.12

The daily rate is $29. Maria paid an additional $17.12 for the miles that she drove, at a cost of $.08 per mile.

$17.12 divided by $.08 = 214, therefore, Maria drove 214 miles.

What is the fraction and decimal of 86%?

Answers

The decimal is 0.86 and the fraction is 43/50
Fraction form: 43/50
Decimal form: 0.86
I hope this helps!!

Please answer both questions right answers get ✨brainlest!✨

Answers

Answer...to finding the volume of the rectangular prism.....27 3/8 because volume=Length multiplied by Height multiplied by width on cubes and rectangular prism

Hii :)

First, what is volume?

Volume is a scalar quantity expressing the amount of three-dimensional space enclosed by a closed surface. For example, the space that a substance (solid, liquid, gas, or plasma) or 3D shape occupies or contain

FIRST ONE IS UNDERLINED

Now, lets answer.

Volume = lwh

Surface Area = 2(lw + lh + wh)

So, whats the answer?

Area of the floor is 693 sq ft

--------------Steps--------------

The formula for the area of a rectangle is:

A=l×w

The formula for the volume for a rectangular cube is:

V=l×w×h

We can substitute:

2079ft  3 for V

3ft for h

A for  l×w

And then solve for A  to find the area of the floor: v=l×w×h becomes:

2079ft 3=A×3ft

Therefore,Area of the floor is 693 sq ft

The second question:

8 1/2 is 8.5. 3 1/4 is 3.25

3*8.5*3.25 = 82.875

~NatLikesAnime~

#LearningWithBrainly

What is the distance between (-2,3) and (6,1)?
A. Sq Root of 10 units
B. Sq Root of 68 units
C. 10 units
D. 68 units​

Answers

Answer:

The answer is B.

Step-by-step explanation:

[tex]2^{2} + 8^{2} =68[/tex]

We cannot simplify [tex]\sqrt{68}[/tex] any further, so that is our answer.

sq root of 68 units

i took the test

This chart shows the top five salaries for the Los Angeles Dodgers in 2015. Find the mean and mean absolute value of this set of data. Then, explain what the mean absolute value means within this situation.
Chart⇣
Top Five Salaries
(In millions of dollars)
28
21.8
21.1
19
15.5

IF YOU DONT KNOW DONT PUT AN ANSWER!

Answers

Answer:

21.08

Step-by-step explanation:

Mean = {Sum of the terms} ÷ {the number of terms}

5 terms 28, 21.8,21.1,19, and 15.5.

Add those which is your sum.

28+21.8+21.1+19+15.5=105.4

So what you do is what i said above which is {Sum of the terms} ÷ {the number of terms}

So.....

105.4 ÷ 5 = 21.08 and that is the answer.

Nicole has the cards shown below. All cards are the same size and shape. She put the cards into a bag. Nicole will pull one card out of the bag without looking.

Nicole will perform this experiment a total of 96 times, replacing the card after each pull. What is the total number of times she should expect to pull out a card with an odd number on it?


A.
24 times

B.
32 times

C.
48 times

D.
64 times

Answers

D because 2/3 of the cards are odd and 64 is 2/3 of 94

Using a Ratio to solve

If we have a ratio of 7/12 odd cards to total cards she can expect to pull out 7 odds in her 12 cards. Now we will use this ratio out of 96 cards. If we have 96 cards with a 7/12 ratio we will divide 96 by 12 which is 8. Now we use our 8 and will multiply it by 7 which is our odd cards. Our total number of odds pulled out of 96 cards will be 56 out of 96.

Help..

Beth filled 56 jars with paint.

If each jar holds 1 pint of paint, how many gallons of paint did Beth use?

Beth used ?
gallons of paint.

Answers

Answer:

7 gallons

Step-by-step explanation:

8 pints = 1 gallon

56 ÷ 8 = 7

Answer:

7 Gallons

Step-by-step explanation:

Divide the number of pints by 8

56 jars filled each jar holds 1 pint

56 x 1=56

56/8=7

Answer:7 gallons

Beth used 7 gallons of paint

Please help me with this thank you!

Answers

Answer:

476

Step-by-step explanation:

For one side of the pyramid:

Since there are two symmetrical triangles on one side of the pyramid, calculate both together as a rectangle.

7x10 = 70cm

There are four equal sides to the pyramid, so multiply the area of one side by 4.

70x4 = 280cm

Finally, calculate the area of the base and add it to the total.

14x14 = 196cm

196+280 = 476cm

PLEASE HELP ME I WILL LITERALLY GIVE YOU A KISS ON THE CHEEK
Use the function f(x) to answer the questions:

f(x) = 5x2 + 2x − 3

Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points)

Part B: Is the vertex of the graph of f(x) going to be a maximum or a minimum? What are the coordinates of the vertex? Justify your answers and show your work. (3 points)

Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph. (5 points)

Answers

Answer:

A)  x-intercepts are (0.6, 0) and (-1, 0)

B)  vertex is (-0.2, -3.2)

C)  see attached

Step-by-step explanation:

Part A

Given function:  [tex]f(x)=5x^2+2x-3[/tex]

The x-intercepts are when f(x) = 0

[tex]\implies 5x^2+2x-3=0[/tex]

To factor, find two numbers that multiply to -15 and sum to 2: 5 and -3

Rewrite the middle term of the quadratic as the sum of these number:

[tex]\implies 5x^2+5x-3x-3=0[/tex]

Factorize the first two terms and the last two terms separately:

[tex]\implies 5x(x+1)-3(x+1)=0[/tex]

Factor out the common term [tex](x+1)[/tex]:

[tex]\implies (5x-3)(x+1)=0[/tex]

[tex]\implies (5x-3)=0\implies x=\dfrac35=0.6[/tex]

[tex]\implies (x+1)=0 \implies x=-1[/tex]

Therefore, the x-intercepts are (0.6, 0) and (-1, 0)

Part B

As the leading coefficient of the quadratic is positive, the parabola will open upwards.  This means that the vertex will be a minimum point.

The x-coordinate of the vertex is the midpoint of the zeros.

[tex]\sf midpoint=\dfrac{-1+0.6}{2}=-0.2[/tex]

To find the y-coordinate of the vertex, substitute the found value of x into the given equation:

[tex]f(-0.2)=5(-0.2)^2+2(-0.2)-3=-3.2[/tex]

Therefore, the vertex is (-0.2, -3.2)

Part C

Plot the zeros and the vertex.

The axis of symmetry is the x value of the vertex, so ensure that the graph is symmetrical about x = -0.2.

Please help needed its due soon

Answers

take the total surface area = 2πr(r+h)

2×22×3(3+10)

7

=1716

7

= 245.15cm² but i put 245.04 and got it right

Brainliest please!

Light from the sun travels to Earth at a speed of 1.86 × 105 miles/second. How much time will the light take to cover a distance of 9.2 × 107 miles? Write your answer in scientific notation, and round so the first factor goes to the hundredths place.

A. 4.95 × 10-2 seconds
B. 4.95 × 102 seconds
C. 49.5 × 102 seconds
D. 49.5 × 103 seconds
E. 495 × 102 seconds

Answers

E I think it is E but not sure

Answer:

B, I took the test

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