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ValentinkaMS [17]
3 years ago
6

hello like almost everyone else on here, I'm probably gonna fail so uh help, please? In your own words explain how to multiply/d

ivide radical expressions? How do you know if you can or cannot simplify them?
Mathematics
1 answer:
babymother [125]3 years ago
3 0

Answer: It does not matter whether you multiply the radicands or simplify each radical first. You multiply radical expressions that contain variables in the same manner. As long as the roots of the radical expressions are the same, you can use the Product Raised to a Power Rule to multiply and simplify.

Step-by-step explanation:

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HELP ASAP PLEASE (25 POINTS) Solve and reduce if possible. 5/12 − 7/8 = ?
Anestetic [448]

Answer:

-11/24

Step-by-step explanation:

5/12 - 7/8

We need to get a common denominator of 24

5/12 *2/2  - 7/8 *3/3

10/24 - 21/24

-11/24

5 0
3 years ago
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Give an example of two 2×2 matrices A and B, neither of which is the zero matrix or the identity matrix, such that AB=BA.
Katena32 [7]

Let

A=B=\begin{bmatrix}0&1\\1&0\end{bmatrix}

Then

AB=BA=\begin{bmatrix}0&1\\1&0\end{bmatrix}^2=\begin{bmatrix}1&0\\0&1\end{bmatrix}

6 0
3 years ago
Find the sum of the arithmetic series<br> 3+8+13+..+438
irina [24]

Answer:

19404

Step-by-step explanation:

sum of arithmetic series is

Sn = n/2 (2a + (n-1)d)

or

Sn = n/2 (a + an)

a = 1st unit

an = last unit

d = difference

8-3 or 13-8 so d = 5

then first step is to find the value of n

an = a + (n-1)d

438 = 3 + (n-1)5

438 - 3 = 5n - 5

435 = 5n - 5

435 + 5 = 5n

440 = 5n

n = 440/5

n = 88

then we can find the sum

Sn = 88/2 (3 + 438)

S88 = 19404

7 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is x +y= 2.
pogonyaev

Answer:

x + y =2

-x         -x

y = -1x + 2

Perpendicular is y= 1x + 2

Step-by-step explanation:

8 0
3 years ago
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IceJOKER [234]

Answer:

14 I believe

Step-by-step explanation:

3 0
3 years ago
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