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insens350 [35]
3 years ago
7

How can you tell there is no solution of a system of equations by looking at the equations or the graph? Explain.​

Mathematics
1 answer:
sashaice [31]3 years ago
5 0
Each shows two lines that make up a system of equations. If the graphs of the equations intersect, then there is one solution that is true for both equations. If the graphs of the equations do not intersect (for example, if they are parallel), then there are no solutions that are true for both equations.
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The volume of a cone is 3rx? cubic units and its height is x units. Which expression represents the radius of the cone's base, i
Marianna [84]

Answer:

It is given that the volume of a cone = 3\pi x^3 cubic units

Volume of cone with radius 'r' and height 'h' = \frac{1}{3}\pi r^2h

Equating the given volumes, we get

3\pi x^3=\frac{1}{3}\pi r^2h

r^2h=3 × 3x^3

r^2h=9 x^3

It is given that the height is 'x' units.

Therefore, r^2x=9x^3

r^2=9x^2

Therefore, r=3 x

So, the expression '3 x' represents the radius of the cone's base in units.

3 0
2 years ago
-5(x+7)<10. What does x equal?
gulaghasi [49]

Answer:

X>-9

Step-by-step explanation:

Distribute

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add 35 on both sides

-5x<45

Divide -5 on both sides and flip the sign since your dividing by a NEGATIVE number

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4 0
3 years ago
Read 2 more answers
5u+5(1-u)=u+8<br> I need help finding the answer
vfiekz [6]

I hope this helps you

5u+5-5u=u+8

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3 years ago
1 = -3(x + 4)<br> What’s the answer
irina [24]
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Brainliest please? Thanks!
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Anyone knows the ans it is in the photo question​
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It is 66 times three
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