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yulyashka [42]
2 years ago
9

Which expression is equivalent to

Mathematics
1 answer:
Kruka [31]2 years ago
5 0

Answer:

B) 1/x^2

Step-by-step explanation:

Simplify the following:

x^9/x^11

Hint: | For all exponents, a^n/a^m = a^(n - m). Apply this to x^9/x^11.

Combine powers. x^9/x^11 = x^(9 - 11):

x^(9 - 11)

Hint: | Evaluate 9 - 11.

9 - 11 = -2:

Answer:  x^(-2) = 1/(x^2)

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Musya8 [376]

Answer:

x = 3

Step-by-step explanation:

Since the triangles are congruent then corresponding sides are equal, thus

x - y = x + 2 ( subtract x from both sides )

- y = 2 ( multiply both sides by - 1 )

y = - 2

and

4x + 2y = 2x - y

substitute y = - 2

4x - 4 = 2x + 2 ( subtract 2x from both sides )

2x - 4 = 2 ( add 4 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

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3 years ago
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OleMash [197]
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3 years ago
Given g(x) = 2(x – 5), determine x for g(x) = -30.
GREYUIT [131]
When g(x) = -30, x = -10
To solve, make -30 equal to 2(x-5):
-30 = 2(x-5)
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The cafeteria uses rectangular trays with a raised edge around them. The area of the flat surface of each tray is 228 Inches squ
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7 0
3 years ago
Read 2 more answers
Please Help ASAP!! I’m terrible at this
lbvjy [14]

So the midpoint formula is (\frac{x_2+x_1}{2} ,\frac{y_2+y_1}{2} ) . Using our information, our two equations are going to be\frac{x-4}{2}=0 and \frac{y-5}{2}=-10 .

Starting with the x-coordinate, multiply both sides by 2: x-4=0

Next, add both sides by 4 and your answer will be x=4

Next with the y-coordinate, its going to be pretty much the same process:

\frac{y-5}{2}=-10\\ y-5=-20\\ y=-15

Putting everything together, our other endpoint is (4,-15).

4 0
3 years ago
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