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
Lana71 [14]
4 years ago
15

I got 2136cm2 but my answer key says different... please help and show all work

Mathematics
2 answers:
patriot [66]4 years ago
7 0

Answer:

<h2>2137.14 cm²</h2>

Step-by-step explanation:

<h2>surface area = 2πr²+2πrh</h2><h2>2×22÷7×10²+2×22÷7×10×24</h2><h2>=2137.14</h2>
Lena [83]4 years ago
6 0

It all depends what value they use for pi 3.14 or 22/7 or just pi on the calculator.

I used 3.14 and got 2.135.2

2(3.24)(10)^2+2(3.14)(10)(24)

Step-by-step explanation:

You might be interested in
At what points does the helix r = left angle bracketsin(t), cos(t), tright angle bracket intersect the sphere x 2 + y 2 + z 2 =
r-ruslan [8.4K]

Answer:

the points are = (0.1045, 0.9945, 6) and ( -0.1045, 0.9945, -6)

Step-by-step explanation:

The detailed steps and appropriate substitution is as shown in the attached file.

4 0
4 years ago
Which equation or inequality shows the relationship between the values |7| and |-7|?
Sunny_sXe [5.5K]

Answer: C.)

| 7 | = | -7|

6 0
3 years ago
Read 2 more answers
Solve 1-12 or any of them please.
ladessa [460]
1. y = 4x - 3
2. y = -x + 4
3. y = 1/3x +1
4. y = ----
5. y = 1/7x + 2
6. y = -4x + 2.75
7. y = 3x + 5
8.
9.
10.
11.
12.

3 0
3 years ago
Read 2 more answers
Before dividing, decompose 420 to make it easier to divide by 4.
den301095 [7]

Answer:

4/420=105

Step-by-step explanation:

decompose 42 and divide by 4 is 10 and is 20 divided by 4 is 5

3 0
3 years ago
A rectangle has a perimeter of 100 kilometers and a base of 47 kilometers. What is the height?
klio [65]
The answer to this is 3 bc 47*2=94
100-94=6
6/2=3
3 0
3 years ago
Other questions:
  • Samir bought 3 pounds of cement to repair the cracks in his sidewalk.
    8·2 answers
  • Evaluate A 2 - B 2 for A = 4 and B = -5.
    15·1 answer
  • if you subtract 18 from my number and multipy the difference by -3 the result is -51 what is the number
    8·1 answer
  • An earthquake was felt throughout a circular area of 1,808.64 square miles. What was the radius of the circular area?
    8·1 answer
  • A high school sponsored a badminton tournament. After each round one-half of the players were eliminated.If there were 64 player
    8·1 answer
  • Dani put 36 of her t shirts in her dresser if she has 90 t shirt what percent of all her t shirts did Dani put in the dresser
    5·1 answer
  • What is yeet+yeet=<br> Please answer
    5·2 answers
  • I need help asap someone please help me asap
    10·1 answer
  • Can you help meh pls:)
    15·1 answer
  • Margaret drove to a business appointment at 30 mph. Her average speed on the return trip was 20 mph. The return trip took
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!