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Elena L [17]
3 years ago
9

How many solutions does the equation have?

Mathematics
2 answers:
Georgia [21]3 years ago
8 0
3(4x-3)-7x=5x-9\\
12x-9-7x=5x-9\\
5x-9=5x-9\\
x\in \mathbb{R} \Rightarrow B
Dovator [93]3 years ago
7 0
3(4x-3)-7x=5x-9\\\\3(4x)+3(-3)-7x=5x-9\\\\12x-9-7x=5x-9\\\\\boxed{5x-9=5x-9}\\\\conclusion:\boxed{B.\ infinite\ solutions}
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valkas [14]

Step-by-step explanation:

easy union means all the element from small to big

8 0
2 years ago
Find the GCF for the list.<br> - 6x^2, 21x^3
wolverine [178]

Answer:

3x^2

Step-by-step explanation:

3x^2 can be factored out of each

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21x^3 = 3x^2(7x)

6 0
2 years ago
What is the surface area of a conical (cone) grain storage tank that has a height of 24 meters and a diameter of 16 meters?
nirvana33 [79]
Surface area of cone is a sum of surface of its base and surface of its mantle.

Surface of its base is a circle which surface we will calculate like this:
Sb = pi*r^2     where r is d/2
Sb = 201m^2

Surface of mantle we calculate by:
Sm = pi*l*r    where l is length of side of cone.

l = \sqrt{r^2 + H^2} = 25.3
Sm = 635.8m^2

Total suface is:
Sb + Sm = 836.8m^2
3 0
2 years ago
Solve for b .<br><br> + b = -1<br> b =
Alik [6]

Answer:

b = -1

Step-by-step explanation:

Solve for b means, write in the form of b =...

Given

+ b = - 1 and this is the same as b = - 1.

That is because the plus sign has no real meaning here, so you can ignore it as if it was not there at all.

It so turns out you now have the answer!

7 0
3 years ago
−2−(−4)−2 i need help pls
schepotkina [342]

Answer:

0

Step-by-step explanation:

−2−(−4)−2

=2−2

=0

7 0
3 years ago
Read 2 more answers
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