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garri49 [273]
3 years ago
15

6x+18=h(3x+9) what value the constant h in the equation shown below will result in a infinite number of solutions

Mathematics
2 answers:
pav-90 [236]3 years ago
4 0
For there to be an infinite number of solutions, the quantity on the left side of the equation must be the same as on the right.
First, distribute the equation to get 
6x + 18 = 3xh + 9h
If h = 2, the equation on the right would also be 6x + 18 which would yield the same equation and hence an infinite number of solutions
So the answer is h = 2
creativ13 [48]3 years ago
3 0

Answer:

h = 2

Step-by-step explanation:

6x  + 18  =  h (3x + 9)

To get the value of h, we simply need to make h subject of the formula;

To make h subject of the formula, we simply divide both-side of the equation by (3x + 9)

\frac{6x + 18}{3x + 9}       =     \frac{h(3x + 9)}{(3x + 9)}

(On the right hand side of the equation (3x+2) will cancel out (3x+2) leaving us with h)

\frac{6x + 18}{3x + 9}       =      h

h  =   \frac{6x + 18}{3x + 9}   ----------------(1)

We want to make the numerator and denominator look the same so that  we can cancel out, at the numerator, we can factor out 2 from 6x + 18

i.e 6x + 18 = 2 ( 3x + 9)

So we can  replace 6x + 18    by  2(3x + 9)  in equation (1)

h = \frac{2 (3x + 9)}{(3x +9)}

( on the right hand side of the equation, (3x + 9) will cancel out (3x + 9) leaving us with just 2)

<em>h = 2</em>

We can plug in our h =2 in the initial equation

6x +  18   =  2(3x + 9)

6x + 18 = 6x + 18

This equation has an infinite number of solutions.

Therefore the value of constant h in the equation that can make the equation have an infinite number of solutions is 2

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Use the quadratic formula to complete the table. To verify your solutions, graph the equations.
Anna007 [38]

Answer:

1) Value of Discriminant: -32

Solution Value(s):

x = -2/3 + 2√2i/3

x = -2/3 - 2√2i/3

2) Value of Discriminant: -44

Solution Value(s):

x = -1/3 + √11i/3

x = -1/3 - √11i/3

Step-by-step explanation:

The Discriminant is the part of the Quadratic Formula that is under the square root symbol.

If the Discriminant > 0 there are 2 real solutions.

If the Discriminant = 0 there is 1 real solution.

If the Discriminant < 0 there are 2 imaginary solutions.

Equation 1:

3x² + 4x + 4 = 0

Plug this into the Quadratic Formula and solve:

x = -4 ± √-32 all over 6

Value of Discriminant: -32

Obviously, this can be simplified more, but for now, all you need is what is under the square root. Since it is less than 0, there are going to be 2 imaginary solutions.

Continue simplifying to get to the Solution Values. You will end up here:

x = -2/3 ± 2√2i/3

Your two imaginary solutions are:

x = -2/3 + 2√2i/3

x = -2/3 - 2√2i/3

*Note: 2√2i is ALL over 3, not just the √2i*

You can convert this to decimal if you need (but I don’t suggest it):

x = -0.66666 + 0.942809i

x = -0.66666 - 0.942809i

Equation 2:

3x² + 2x + 4 = 0

Plug this into the Quadratic Formula and solve:

x = -2 ± √-44 all over 6

Value of Discriminant: -44

Obviously, this can be simplified more, but for now, all you need is what is under the square root. Since it is less than 0, there are going to be 2 imaginary solutions again.

Continue simplifying to get to the Solution Values. You will end up here:

x = -1/3 ± √11i/3

Your two imaginary solutions are:

x = -1/3 + √11i/3

x = -1/3 - √11i/3

You can convert this to decimal if you need (but I don’t suggest it):

x = -0.33333 + 1.10554i

x = -0.33333 - 1.10554i

Hope this helps!

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stealth61 [152]

Answer:

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Step-by-step explanation:

givens: x=4

now try your options:

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12+3=15

15=15

The first option is correct, therefore the answer is 3x

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Answer:

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Step-by-step explanation:

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balandron [24]

Answer:

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Step-by-step explanation:

Given that 10%  of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped).

Each shaft is independent of the other and probability for non conforming is the same for each trial.

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