1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kodGreya [7K]
3 years ago
9

The paper cup is 9 cm tall and the circular opening has a radius of 2.5 cm.

Mathematics
1 answer:
Tema [17]3 years ago
4 0

Answer:

181cm^2

Step-by-step explanation:

The minimum amount of paper needed to make the cup to the nearest whole number will be = to the surface area of the cylinder = A=2πrh+2πr2.

Where π= 22/7, r = 2.5cm, h = 9cm

A = 2×22/7×2.5×9+2×22/7×2.5×2.5

A= 141.428+39.285

A= 180.713

A = 181cm^2

You might be interested in
HELP GIVING 20 POINTS
Olenka [21]

Answer:

The total cost as $96

Step-by-step explanation:

To find the total amount find the tax amount and the tip amount

75 * 8% = 6

75 * 20% = 15

add 6 and 15 to 75 to get 96

5 0
3 years ago
Read 2 more answers
Please help! 7/20, will give brainliest. I do not tolerate spam answers!
PtichkaEL [24]
(X+2)(3x+1) !!!!!!!!!!!!!!!!!!
3 0
3 years ago
Lyra and Donna are testing the two-way radios they built for their high school science project. Lyra goes to the top of a buildi
Strike441 [17]
The range of communication is about 55 meters.
6 0
3 years ago
On Sunday, a local hamburger shop sold a combined total of 428 hamburgers and cheeseburgers. The number of cheese burgers sold w
melisa1 [442]
The equation you can use is x + 3x = 428 with x as the number of cheeseburgers and 3x the number of hamburgers 
you solve for x and get 4x= 428 and x=107

so 321 hamburgers were sold that day.
5 0
3 years ago
Mr. Wilson wants a new version of Animal Crossing for Christmas. Mrs. Tilson-Wilson finds it for $64.50. If she waits until Cybe
Anarel [89]
The answer is $51.60
8 0
3 years ago
Other questions:
  • Does a triangle equal to 180° or 360°?
    14·2 answers
  • Plz someone help help me just someone plz<br><br><br><br><br>​
    13·1 answer
  • Curtis runs 1 mph slower than Marsy. After 2 hours of running in opposite directions, they are 30 miles apart. How fast had Curt
    13·1 answer
  • Plot the approximate value of square root of 10 on the number line
    14·2 answers
  • Anyone wanna join my arsenal server we have giveaways (nitro and robuxs and etc) and tournaments. In tournaments the winner will
    6·1 answer
  • If the velocity of a car is 45 km/h west, how far can it travel in 0.5 hours? <br> PLEASE SHOW WORK!
    13·2 answers
  • Write your own equation that is parallel to the line y= 2x -7
    9·2 answers
  • A triangle is shown below what is the measure of the missing angle of the triangle note the triangle is not drawn to scale?
    8·1 answer
  • Gabby has 20 coins in her pocket that are quarters, dimes, and nickels. The total value of the coins is $2.70. The number of nic
    9·2 answers
  • Simplify the exponential expression.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!