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USPshnik [31]
3 years ago
13

Which of the following is the product of the rational expressions shown below?

Mathematics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

D

Step-by-step explanation:

\frac{3x}{x+2}*\frac{x}{x-1}=\frac{3x^2}{x^{2}+(2-1)x+(2)*(-1)}\\\\=\frac{3x^{2}}{x^{2}+x-2}

Use the formula: (x+a)(x+b)= x^2+(a+b)x+ab

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Do the sides 4, 5, and 6 form a Pythagorean Triple?
NemiM [27]

Answer:

They do not form a Pythagorean Triple.

If it was a Triple,  4^2+5^2 should equal 6^2.

4^2+5^2=16+25=41

6^2=36

41≠26

It doesn't work, therefore it is not a Pythagorean Triple.

3 0
2 years ago
Read 2 more answers
Marcus states that the polynomial expression 3x3 – 4x2y + y2 + 2 is in standard form. Ariel states that it should be y2 – 4x2y +
lubasha [3.4K]
The degree of a polynomial is the highest power of its terms.
The power of a term is the sum of the powers of all the variables in a term.
A polynomial is written starting with the greatest power in standard form.
In the first case, the power of the first term is 3, the power of the second is 3 (2 from x + 1 from y) but the power of x has decreased so it is the second term, and then so on. 
In the second case, the power is starting form 2 and then increasing to 3. This is incorrect.
Therefore, Marcus' suggestion is correct.
4 0
3 years ago
Read 2 more answers
In a recent survey, three out of every five teenagers said they listen to music while studying.
Virty [35]

Answer:

225

Step-by-step explanation:

3 out of 5 is .6 is u multiply .6 by 375 you get 225

7 0
2 years ago
Graph a line with a slope of 3/4 that contains the point (2,-3).
arsen [322]

Answer:

Step-by-step explanation:

First, plot the point (2, -3) on the graph.  Then, use the slope to pick another point.  The slope is rise over run.  For your slope, the line will go 3 places up and then 4 places to the right.  Using a straight-edge, follow the points and you will get the graph of the line.

6 0
3 years ago
When a sunfloweris 2 weeks old it is 38 centimeters tall when it is 6 weeks old it is 114 cm tall how tall is it when it is 3 ½
Anna11 [10]
2 wk --- 38 cm
3.5 wk --- x cm
x =  3.5 wk x 38 cm
       ---------------------
       2 wk
x= 66.5 cm
5 0
3 years ago
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