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tester [92]
3 years ago
11

20%5Csqrt%7Bx%20%2B%204%7D%20%20%7D%20" id="TexFormula1" title=" \frac{ {x}^{2} + 4x + 5 }{ {x}^{2} + 3 \sqrt{x + 4} } " alt=" \frac{ {x}^{2} + 4x + 5 }{ {x}^{2} + 3 \sqrt{x + 4} } " align="absmiddle" class="latex-formula">
Hi
is this a rational expression or not pls reply asap​
Mathematics
1 answer:
Katena32 [7]3 years ago
8 0

Answer:

NOT a rational expression.

Step-by-step explanation:

A rational expression is a fraction of two polynomials.

Since the denominator contains a square-root radical, it is not considered a polynomial.

Therefore the given exprssion is NOT a rational expression.

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Are the following two expressions equivalent? 7+7x ; 7 (x+ 1/7 )
love history [14]

Answer:

no 7(x+1/7) is not equivalent to 7+7x

Step-by-step explanation:

6 0
3 years ago
Find the value of x. The figures are not drawn to scale. Pis the center of the circle.
cricket20 [7]

Answer:

6.7 feet i think...

Step-by-step explanation:

the middle line is 12 feet and the dot is about in the middle of the line

6 0
3 years ago
Read 2 more answers
Which of the following points solves the system shown below?
IrinaVladis [17]

Answer:

(3,6)

Step-by-step explanation:

Collect like terms

y -5x = -9

y + 2x = 12

Using elimination method

Subtract equation 2 from equation 1

y - 5x = -9

y + 2x = 12

---------------

0. -7x = -21

Divide both sides by -7

-7x = -21

---- -----

-7 -7

x = 3

Substitute x=3 into equation 1

y = 5(3) - 9

y = 15 - 9

y = 6

Solution is (x,y) = (3,6)

6 0
3 years ago
I don't quite understand the LCD and the unlike denominators properly. May someone explain it, please.
Whitepunk [10]

Hey!

----------------------------------------------------------------------

LCD stands for Lowest Common Denominator.

----------------------------------------------------------------------

Explanation:

So let's say we have the equation 1/9 * 16/27

We want to find the LCD of both fractions. To find the LCD of both fractions find a the lowest common denominator in both fractions.

In this equation the lowest common denominator is 27 because 9 can go in 27 and 27 can go into itself. Se basically 27 is the lowest possibly common denominator both fractions can get to.

----------------------------------------------------------------------

Hope This Helped! Good Luck ;)

5 0
4 years ago
14. The equation of the line that passes through the
KIM [24]

Answer:

5.   y = -x

Step-by-step explanation:

First, you need to find the slope of the line.

m = \frac{2 - (-3)}{-2 - 3}  = \frac{5}{-5}  = -1

Now, using either point substitute into the point-slope form for a line:

y - y_{1}  =  m(x - x_{1} )

Using (-2,2) for (x_{1} , y_{1} ) we get y - 2 = -1(x +2)

y - 2 = -x - 2

y = -x

Answer 5 is the correct answer

3 0
3 years ago
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