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KIM [24]
3 years ago
15

Rationalize the expression and simplify.

id="TexFormula1" title="\frac{\sqrt{4+h}-2 }{h}" alt="\frac{\sqrt{4+h}-2 }{h}" align="absmiddle" class="latex-formula">

Mathematics
1 answer:
MAXImum [283]3 years ago
5 0
You multiply by the conjugate to both the denominator and numerator.
After that you can simplify by canceling the 4 and then you are able to simplify the (h) as well.

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<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D" id="TexFormula1" title="\sqrt{x}" alt="\sqrt{x}" align="absmiddle" class="late
LiRa [457]

4x - 7x - 4x + 7 \sqrt{x}  +  \sqrt{x}

- 7x + 8 \sqrt{x}

5 0
2 years ago
Complete the factored form.<br>3x4 + 16x + 21 = (3x + 7)( )​
jekas [21]

Answer:

x+3

Step-by-step explanation:

21=7x3. Hence answer is 3

8 0
3 years ago
With a line 7 cm long. Use a set square and a ruler and draw perpendicular lines at both ends
Setler79 [48]

Answer:

See Explanation

Step-by-step explanation:

According to the Question,

Steps of construction:

  • Step I - Draw a line segment AB = 7 cm with the help ruler.
  • Step II - with vertex A, by using compass take more than half of AB and draw arcs, one on each side of AB.
  • Step III - with vertex B, by using a compass with the same length, cut the previous arcs at X and Y respectively.
  • Step IV - with help of the ruler join the points X and Y Thus XY is the perpendicular bisector of line AB.

(For Diagram please find in attachment)

5 0
2 years ago
8 is what percent of 24?
Irina18 [472]

Answer:

1, 33.3

2, 81.9

3, 240

4, the farmer sold 33.3 of his crops

5, 750 students are enrolled.

5 0
3 years ago
Read 2 more answers
What makes b in the equation true 3/8 X 8/b
Gala2k [10]

\frac{3}{8} *  \frac{8}{b} =  \frac{3}{1} *  \frac{1}{b}  (I crossed simplify)

Next cross multiply;

3b = 1

b = 1/3

To check if the statement is true just substitute the value of b in the equation;

3b = 1

3(1/3) = 1

1 = 1

8 0
3 years ago
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