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
lys-0071 [83]
2 years ago
12

What is the surface area of a cube that has edges 3 cm long

Mathematics
2 answers:
Bezzdna [24]2 years ago
4 0

Answer:

54

Step-by-step explanation:

multiply 3 by 3 to get the surface area of one of the squares that make up a cube. then since a cube has 6 sides multiply the result (9) by 6 in order to get 54

dimulka [17.4K]2 years ago
3 0

Answer:

9cm^2

Step-by-step explanation:

You might be interested in
4) The area of a piece of pie in the shape of a sector is 7.1 in. The angle of the sector is 40°. Find the diameter of
elixir [45]

Answer:

Step-by-step explanation:

Area of sector = angle/360 * pi * r^2

7.1 = 40/360 * 22/7 * r^2

7.1 = 1/9 * 22/7 * r^2

63.9 = 22r^2/7

r^2 = (7 * 63.9)/22

r^2 = 20.331818181818

r = square root of 20.331818181818

r = 4.51

d = r * 2 = 4.51 * 2 = 9.02

4 0
3 years ago
Expand and simplify 9w(3x-4y)-5w(x+y)
Llana [10]
\textbf{The~Answer~~of~~Question~} \\  \\ 
9w(3x-4y)-5w(x+y) \\  \\  27wx-36wy-5wx-5wy \\  \\ \boxed{22wx-41wy}  \\  \\ \textbf{Sancak1907}
4 0
3 years ago
Read 2 more answers
Number 6 plz plz plz help
vagabundo [1.1K]

you could tell if it is even or odd by how many number are odd and how many are even...majority wins...

13 odd

45 odd

24 even

17 odd

hope i can help,and have a nice day!! :)

7 0
2 years ago
Read 2 more answers
Identify whether each phrase is an expression, equation, or inequality.
Andreyy89

Answer:

Step-by-step explanation: 4y+8=9 is an equation. 3-2 is an expression. 7y<6 is an inequality!

7 0
3 years ago
Evaluate: 11 + sqrt(-4 + 6×4÷3)
Murrr4er [49]

Answer:

11+\frac{2\sqrt{15}}{3}

Step-by-step explanation:

11 + \sqrt{(-4 + 6\times4\div3)} \\\\11+\sqrt{\frac{-4+6\times \:4}{3}}\\\\\sqrt{\frac{-4+6\times \:4}{3}}=\frac{2\sqrt{5}}{\sqrt{3}}\\\\=11+\frac{2\sqrt{5}}{\sqrt{3}}\\\\\frac{2\sqrt{5}}{\sqrt{3}}=\frac{2\sqrt{15}}{3}\\\\=11+\frac{2\sqrt{15}}{3}

3 0
2 years ago
Other questions:
  • Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32
    9·1 answer
  • Which is equal to x^3-8
    9·1 answer
  • What is the slope of the line through (1, -1)and (5,-7)<br> Choose 1 answer:
    11·2 answers
  • Verbal expression to algebraic expression ​
    9·1 answer
  • 71 to the nearest tenth
    15·2 answers
  • I do not understand one through four please help?????
    8·2 answers
  • Right now I have a selected but I’m not sure if that’s right please help
    5·2 answers
  • My social is christianmunoz_cuhh &lt; snap chrism8448
    13·2 answers
  • Graph the line with slope 2 passing through the point (-5, 2)
    9·1 answer
  • Find the slope between points (1,1) and (0,6)
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!