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Zarrin [17]
1 year ago
13

Which expression is equivalent to ( 7^-2 x 3^5 ) ^-2

Mathematics
1 answer:
finlep [7]1 year ago
8 0

The answer is 7^4 / 3^10.

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A water tank in the shape of a rectangular prism has a length of 525 feet, width of 423 feet, and height of 449 feet.
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84 cubic feet

Step-by-step explanation:

First, multiply the numbers to get the volume.

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Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.
Flura [38]

The solutions to the given system of equations are x = 6 and y = -5

<h3>Simultaneous linear equations</h3>

From the question, we are to solve the given system of equations

The given system of equation is

4x+5y=-1

-5x-8y=10

Multiply the <u>first equation</u> by 5 and the <u>second equation</u> by 4

5× (4x+5y=-1)

4× (-5x-8y=10)

20x + 25y = -5

-20x - 32y = 40

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0x + (-7y) = 35

-7y = 35

y = 35/-7

y = -5

Substitute the value of y into the first equation to find x

4x + 5y = -1

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4x = -1 +25

4x = 24

x = 24/4

x = 6

Hence, the solutions to the given system of equations are x = 6 and y = -5

Learn more on Simultaneous linear equation here: brainly.com/question/12647791

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When an equation is written in the form Ax + By = C [picture attached] help pls
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B. Standard Form

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