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igor_vitrenko [27]
3 years ago
13

Which set of equations would have infinite solutions?

Mathematics
2 answers:
vaieri [72.5K]3 years ago
4 0
The answer is b the two equations are equal to each other
abruzzese [7]3 years ago
4 0
The answer to this question will be b
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Angle DEF and angle FEG are supplementary. The measure of angle DEF = (9x +1) and the measure of angle FEG = (8x + 9). What is t
RUDIKE [14]
Supplementary angles are angles that are adjacent to each other and when summed to get a total of 180 degrees. In this case, DEF and FEG are supplementary. Thus the equation is <span>9x +1 + 8x + 9 = 180 = 17 x + 10; x then is equal to 10 so 
<</span>DEF = <span>9*10 +1 =91 degrees
</span><FEG = <span>8*10 + 9 = 89 degrees</span>
3 0
3 years ago
1. 3x + y = 11<br> 5x - y = 21
sergeinik [125]

Answer:

[4, -1]

Step-by-step explanation:

Using the Elimination Method:

3x + y = 11

5x - y = 21

__________

8x = 32

__ ___

8 8

x = 4 [Plug this back into both equations to get the y-coordinate of -1]; -1 = y

The <em>y</em>'s are already <em>additive</em><em> </em><em>inverses</em><em> </em>[result in 0], canceling each other out.

I am joyous to assist you anytime.

4 0
3 years ago
Given: f(x) = 1/x (&lt;- that’s division sign btw)
Jlenok [28]

To evaluate (g \circ f)(0), you'd start by rewriting this as (g \circ f)(0) = g\big(f(0)\big) and your first step of evaluation is to evaluate f(0).

When you evaluate f(0), you have the following:

    f(0) = \dfrac{1}{0}

and this is undefined.  Since you cannot perform the first step of the evaluation, you cannot evaluate (g\circ f)(0).

6 0
3 years ago
A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as ed
Mamont248 [21]

9514 1404 393

Answer:

   2440

Step-by-step explanation:

The difference in fixed costs is ...

  37815 -16465 = 21350

The difference in variable costs is ...

  20.50 -11.75 = 8.75 . . . . per book

Then the number of books that must be produced for the difference in variable costs to be equal to the difference in fixed costs is ...

  21350/8.75 = 2440

For production of 2440 books, the costs of the two methods will be the same.

_____

<em>Additional comment</em>

You can write expressions for total cost of each production method. When you set them equal and solve for the number of books, you find the math you end up doing is the same as that shown above.

4 0
3 years ago
What is (3x+2y)^2 ?mmmmmmmmmmmmmmmnnnnnnnmmmmm​
Vikki [24]

(3x + 2y)^2

Use the FOIL method (first, outside, inside, last)

(3x + 2y) (3x +2y)

9x^2 +6xy +6xy +4y

9x^2 + 12xy + 4y is your answer.

3 0
3 years ago
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