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aev [14]
2 years ago
12

Simplify: (x - 8) (x + 8) *

Mathematics
1 answer:
padilas [110]2 years ago
3 0

Step-by-step explanation:

(x - 8) (x + 8) = x² - 64

because

x² + 8x - 8x - 64

(a⁵)^-1 = 1/(a⁵)

that is the definition of a negative exponent. it means 1/...

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use the elimination method to solve the system of equations. choose the correct ordered pairs -x + y=-3 and 3x + 2y=9
Agata [3.3K]
-x+y=-3, 3x+2y=9

1. multiply the first row by the second
-2x+2y=-6, 3x+2y=9

2. subtract the second row from the first row
-5x=-15

3. sole for x in the above equation
x=-15/-5
x=15/5
x=3

4. substitue x=3 into -2x+2y=-6
-2*3+2y=-6


5. solve for y in the above equation
-6+2y=-6
2y-6=-6
2y=0
y=0

6 therefore,
x=3 and y=0


Have a nice day :D
3 0
3 years ago
-4x + 2x + 3x + 8<br> Asap
Talja [164]

Answer:

x + 8

Step-by-step explanation:

1. To simplify this expression, we have to combine like terms.

  • (-4x + 2x + 3x) + (8)
  • (-2x + 3x) + (8)
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Therefore, the answer is x + 8.

4 0
2 years ago
Plzzzz help I’ve been stuck on this
alina1380 [7]

Answer:

13 and 8

Step-by-step explanation:

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3 years ago
A restaurant offered cooking classes on 20 of the 30 day in November.
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The percentage is 66.6%.
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lutik1710 [3]
Okay,

Radius, is half of the diameter.
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8). R=7   D=14
9). R=49 D=98

 
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3 years ago
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