2 years ago

Simplify by using radical. Rationalize denominators. 2a^-1/2

Mathematics

1 answer:

ra1l [238]2 years ago

4 0

Answer:

$\dfrac{2\sqrt{a}}{a}$

Step-by-step explanation:

$2a^{-\frac{1}{2}} =$

$= 2 \times \dfrac{1}{\sqrt{a}}$

$= 2 \times \dfrac{1}{\sqrt{a}} \times \dfrac{\sqrt{a}}{\sqrt{a}}$

$= \dfrac{2\sqrt{a}}{a}$

You might be interested in

Evaluate abc² if a= -3, b= 6, and c= -8

Andreas93 [3]

Answer:

-1152

Step-by-step explanation:

abc² the expression can be rewritten using the given values for each letter

(-3)*6*(-8)^2 now we find the second power of (-8) by multiplying it with itself

(-8)*(-8) = 64

(-3)*6*64 = -1152

8 0

2 years ago

Kasey needs 1.5 cups of milk and 4 cups of sugar to make 12 muffins. She plans to make 36 muffins . How many fl oz of sugar does

Masja [62]

Answer:

12 cups of milk

Step-by-step explanation:

36/12= 3

4 x 3= 12

So the Answer is 12 cups of milk

4 0

3 years ago

What is the value of x in the equation 4 and StartFraction 3 Over 10 EndFraction minus (2 and two-fifths x + 5 and one-half) = o

musickatia [10]

Answer:

Step-by-step explanation:

Edge i think dont quote me on this plz

3 0

3 years ago

A rectangle or prism has a volume of 60 cm³ a height of 3 cm the length of 5 cm what is the width of the prism

igomit [66]

Answer:

Step-by-step explanation:

6 0

2 years ago

What is Gama rays? ‎ ‎

Arte-miy333 [17]

Answer:

Step-by-step explanation:

penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.

4 0

2 years ago

Read 2 more answers