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damaskus [11]
4 years ago
15

Can someone pleeeeeasssse help with 3x-2/x^2-2x-3 divided by 1/x-3

Mathematics
1 answer:
VARVARA [1.3K]4 years ago
8 0
If im correct your final answer should be 2x-3/(x+1)(x-3). <span>#TeamAlvaxic</span>
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Pls tell me what the correct answer would be ❤️
mrs_skeptik [129]

Answer:

Step-by-step explanation:

The error is in the second step. For some unknown reason, the x was dropped and the 3 was subtracted from the 7.

It should be

9x +3x + 12 =  7

12x + 12 = 7                  Subtract 12 from both sides.

12x + 12 - 12 = 7 - 12    Combine

12x = -5                        Divide by 12

12x/12 = -5/12              

x = -5/12 or x = - 0.4167

4 0
3 years ago
If the area of a circle is 121π square units, what is its diameter?
Marina86 [1]
1 )  A = 121 π 
A = r² π 
r² π = 121 π
r = √ 121 = 11
The diameter: d = 2 r = 2 * 11 = 22 units
2 ) C = 20 π
C = 2 r π
2 r π = 20 π
r = 20 : 2 = 10 units
A = r² π = 10² π = 100 π square units.
5 0
3 years ago
Read 2 more answers
In a polynomials equation do you add the exponents if they are different
Alexus [3.1K]
You can only add exponents if you are multiplying two of the same variable together. For example,
x^{12} \times x^4 = x^{16}

You take them away if you are dividing.
<span>x^{12} \div x^4 = x^{8}

In a polynomial equation, you can add together two of the same variable if they have the same exponent
</span>3x^4 + 7x^4 = 10x^4

Or you can take them away in a similar fashion,
<span>3x^4 - 7x^4 = -4x^4

But you cannot add two (or more) different exponents,
</span>6+4x+7x^2 = 6+4x+7x^2 (it does not get any simpler)

I hope this has answered your question, if not, leave a comment and I'll update the answer.
4 0
4 years ago
Write an equation of the line passing through the points (3,5) and (-2,-20)
SVETLANKA909090 [29]

your answer would be y=-3x+14

4 0
3 years ago
Determine the quadrant(s) in which (x, y) could be located. (Select all that apply.)
djyliett [7]

Answer: D. Quadrant IV

Step-by-step explanation: Numbers with a positive or negative sign are referred to be directed numbers. These numerals are easily found on the number line. 2, 5, -1, -3, -7, 9, and so on are some examples.

As a result: x > 0 and y 0 are both true.

Consider the case of specific directed numbers for x and y. Assume x = 5 and y = -2, and the following is true: (5, -2). In a Cartesian plane, this point can be found in the fourth quadrant.

As a result, in a Cartesian plane, the quadrant in which (x, y) might be found is Quadrant IV.

7 0
3 years ago
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