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a_sh-v [17]
3 years ago
14

What is 3(x-3)+5=3x+1+4

Mathematics
1 answer:
sergeinik [125]3 years ago
4 0

Answer:

No solution

Step-by-step explanation:

3(x-3)+5=3x+1+4

3(x-3)+5=3x+5

3x-9+5=3x+5

3x-4=3x+5

   +4      +4

3x=3x+9

-3x   -3x

0≠9

Hope this helps!

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What is the equation in point-slope form that represents the line going through (1,3) and (4,6)
Darya [45]
We have the slope m = (6-3)/(4-1) = 3/3 = 1;
Then, y - 3 = 1·( x - 1);
finally, y = x + 2.
3 0
3 years ago
What composition forms the equation p(x) when given the functions for h(x), f(x), k(x), and g(x)? PLEASE HELP!!!!! thank you!!!!
Flura [38]

Answer:  Choice B.  k(h(g(f(x))))

For choice B, the functions are k, h, g, f going from left to right.

===========================================================

Explanation:

We have 4x involved, so we'll need f(x)

This 4x term is inside a cubic, so we'll need g(x) as well.

So far we have

g(x) = x^3

g( f(x) ) = ( f(x) )^3

g( f(x) ) = ( 4x )^3

Then note how we are dividing that result by 2. That's the same as applying the h(x) function

h(x) = \frac{x}{2}\\\\h(g(f(x))) = \frac{g(f(x))}{2}\\\\h(g(f(x))) = \frac{(4x)^3}{2}\\\\

And finally, we subtract 1 from this, but that's the same as using k(x)

k(x) = x-1\\\\k(h(g(f(x)))) = h(g(f(x)))-1\\\\k(h(g(f(x)))) = \frac{(4x)^3}{2}-1\\\\

This leads to the answer choice B.

To be honest, this notation is a mess considering how many function compositions are going on. It's very easy to get lost. I recommend carefully stepping through the problem and building it up in the way I've done above, or in a similar fashion. The idea is to start from the inside and work your way out. Keep in mind that PEMDAS plays a role.

6 0
3 years ago
What is the height of 840mm³.
Rus_ich [418]

Answer:

What?

Step-by-step explanation:

Possible answers could be

the factors of 840

IF the 840 is your area.

Factors of 840 which are your answers:

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420.

7 0
2 years ago
Can someone please help me with my calc homework? Anyone who is good at Radical Expressions pls help.
Lesechka [4]
1. x
2. x
3. -x^2
4.
5. x
6. x^3
7. x
8. |x|
9. x-2
10. x/3
11. x/2
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3 0
3 years ago
Please answer & explain how the answer was found
pshichka [43]

Answer: GEF = 30 DEF = 40

Step-by-step explanation: By angle summation we know the entire angle

GED = 70, so the smaller angles that make up GED (GEF and DEF) will have to sum up to equal GED. Using this we get:

2x + 10 + 5x - 10 = 70

From here we can combine like terms:

7x = 70

and solve for x

x = 10

Then we can plug the value of x back into the equations given to solve for GEF and DEF

GEF:

2x+10 == 2(10)+10 = 30

DEF:

5x-10 == 5(10)-10 = 40

3 0
2 years ago
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