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larisa [96]
3 years ago
6

How do I find the domain for a function

Mathematics
1 answer:
KatRina [158]3 years ago
7 0
The domain is all of the x values
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11) The difference of two numbers is 3. Their sum is 23. What are the numbers?
Artyom0805 [142]

Answer:

Step-by-step explanation:

ill try this one in a few minutes for you.

7 0
3 years ago
15=-6 you solve the left side, 7+6 which is 15
Nimfa-mama [501]

Answer:

15=13

Step-by-step explanation:

15=-6 you solve the left side, 7+6 which is 15?

15=-6 =

7+6 = 13

15=13

i'm not sure...

7 0
3 years ago
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the length of a rectangle is 2 in more than it's w i d t h the area of a rectangle is equal to 1 inch less than three times a pe
Marizza181 [45]
If we let x and y represent length and width, respectively, then we can write equations according to the problem statement.
.. x = y +2
.. xy = 3(2(x +y)) -1

This can be solved a variety of ways. I find a graphing calculator provides an easy solution: (x, y) = (13, 11).

The length of the rectangle is 13 inches.
The width of the rectangle is 11 inches.

______
Just so you're aware, the problem statement is nonsensical. You cannot compare perimeter (inches) to area (square inches). You can compare their numerical values, but the units are different, so there is no direct comparison.

6 0
3 years ago
Solve 2x2 – 3x = 12 using the quadratic formula.
icang [17]

Quadratic Formula: (-b +/- sqrt(b^2 - 4ac)) / 2a

2x^2 - 3x = 12

2x^2 - 3x - 12 = 0

a = 2

b = -3

c = -12

(--3 +/- sqrt( (-3)^2 - 4(2)(-12) )) / 2(2)

3 +/- sqrt( 9 + 96 ) / 4

3 +/- sqrt(105) / 4

Answers: \frac{3 + \sqrt{105} }{4}, \frac{3 - \sqrt{105} }{4}

Hope this helps!

8 0
3 years ago
What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?
Sholpan [36]

Answer:

the first step is to distribute the -4 to (3-5x)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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