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Nataly [62]
3 years ago
10

Simplify x^0yz^-3. Please explain

Mathematics
1 answer:
Alina [70]3 years ago
8 0

Answer: \frac{y}{z^3}

Step-by-step explanation:

To simplify the expression given in the problem, you must apply the proccedure shown below:

1- According the Exponents Rules, you know the following:

a^0=1\\\\a^{-n}=\frac{1}{a^n}

2- Therefore, keeping the above on mind, you can simplify the expression given in the problem as you can see below:

x^0yz^{-3}=(1)yz^{-3}\\\\=yz^{-3}\\\\=y\frac{1}{z^3}\\\\=\frac{y}{z^3}

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3) solve for x. −1/2(x 2) 11/2 x=3
Travka [436]
-1/2(x + 2) + 11/2 + x = 3
-1/2x - 1 + 11/2 + x = 3
1/2x + 9/2 = 3
1/2x = 3 - 9/2 = -3/2
x = -3/2 * 2 = -3
x = -3
3 0
3 years ago
The diagram shows a right-angled triangle.
crimeas [40]

Answer:

Maybe try 23-9. Or maybe the answer is 23, hopefully this helped.

Step-by-step explanation:

8 0
3 years ago
The equation x2 - 12x - 60 = -y2 - 4y describes a circle in the coordinate plane. find the radius of the circle and the coordina
34kurt

Answer:

r = 10 , centre = (6, - 2 )

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r is the radius

given

x² - 12x - 60 = - y² - 4y ( add y² + 4y to both sides )

x² - 12x + y² + 4y - 60 = 0 ( add 60 to both sides )

x² - 12x + y² + 4y = 60

using the method of completing the square

add ( half the coefficient of the x and y terms )² to both sides

x² + 2(- 6)x + 36 + y² + 2(2)y + 4 = 60 + 36 + 4

(x - 6)² + (y + 2)² = 100 ← in standard form

with centre = (6, - 2 ) and r = \sqrt{100} = 10

8 0
1 year ago
Can someone show me an example of long division?
Nastasia [14]

Answer:

When you have large numbers to divide,

draw a tableau for long division on the side.

Write the steps that will be your guide,

D, M, S, B and R – Abide by to long divide!

Step-by-step explanation:


5 0
2 years ago
Read 2 more answers
Movie theater charges $11.00 for an adult ticket and $8.00 for a child's ticket. The ticket sells 124 tickets and brings in $118
Romashka-Z-Leto [24]

Answer:the number of adult tickets that the movie theatre sold is 63.

the number of child's tickets that the movie theatre sold is 61

Step-by-step explanation:

Let x represent the number of adult tickets that the movie theatre sold.

Let y represent the number of child's tickets that the movie theatre sold.

The total number of tickets sold is 124. It means that

x + y = 124

Movie theater charges $11.00 for an adult ticket and $8.00 for a child's ticket. The total cost of the tickets sold is 1181. It means that

11x + 8y = 1181 - - - - - - - - - - - -1

Substituting x = 124 - y into equation 1, it becomes

11(124 - y) + 8y = 1181

1364 - 11y + 8y = 1181

- 11y + 8y = 1181 - 1364

- 3y = - 183

y = - 183/ - 3

y = 61

x = 124 - y = 124 - 61

x = 63

6 0
3 years ago
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