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Salsk061 [2.6K]
3 years ago
5

Is 81 both a perfect square and a perfect cube?

Mathematics
2 answers:
amm18123 years ago
6 0
81 is not a perfect square nor a perfect cube, because 81 is an odd number so no matter how you stacked 81 cubes up you would still be missing one cube.
DiKsa [7]3 years ago
3 0
81 is only a perfect square
hope i helped
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There are 6 1/3 cups of juice left. How many 1/3 cups of juice would there be in the juice that is left
SSSSS [86.1K]

6 1/3 divided by 1/3 is 19

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3 years ago
The domain for f(x) and g(x) is the set of all real numbers.
bija089 [108]
I am currently dong the same thing, if you go to symbolab.com then im pretty sure you'll be helped. ;)
3 0
3 years ago
Read 2 more answers
Simplify<br> 21x^6 y^5<br> 14x^2y^9
PIT_PIT [208]

Answer:

\frac{3x^{4} }{2y^{4} }

Step-by-step explanation:

Factor out 7 from top and bottom :

\frac{7(3x^6y^5)}{7(2x^2y^9)}

Divide top and bottom by 7 :

\frac{3x^6y^5}{2x^2y^9}

Simplify :  

\frac{x^6}{x^4}=x^{2}

Simplify :

\frac{y^5}{y^9} = y^{-4}  = \frac{1}{y^{4} }

Collect everything together :

\frac{3x^{4} }{2y^{4} }

Hope this helped and have a good day

5 0
2 years ago
Find the value of x​
soldier1979 [14.2K]

Answer:

x = -14

Step-by-step explanation:

Look at the image attatched. I have labeled the angles for better explanation.

We know that angle 1 is 54 degrees as is rests on a straight line with its adjacent angle at 126 degrees. This means that angle 1 would be 180 - 126 degrees, or 54 degrees. We also know that angle 1 and 3 must be congruent as the sides of the triangle opposite those angles are congruent as well. This means that both those angles are 54 degrees. Since the sum of all angles in a triangle must equal 180 degrees, we can get that angle 4 is 180 - (2*54) degrees, or 72. Since angle two and angle 4 both lie on a straight line, they must add up to 180 degrees. This means that the value of angle 2 would be 180 - 72, or 108 degrees. Since angle 2 is also equal to x+122, we get the equation:

108 = x + 122.

We then solve this by getting:

x = 108 - 122

which gives us the answer of

x = -14

3 0
3 years ago
Read 2 more answers
Help!!
tatiyna
Hello,



I dont care for points, Just glad to help! :D

And A slope iis only x*y=z. This mean's 
That you will basically be dividing top from side (NOY BOTTOM)
and be multiplying those 2.


Hope this helps


3 0
3 years ago
Read 2 more answers
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