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Mumz [18]
4 years ago
8

1) Use the rules of exponents to evaluate or simplify. Write without negative exponents.

Mathematics
1 answer:
AlladinOne [14]4 years ago
6 0
1)\\ 3*4^0=3*1=3\\\\ 2)\\ a^{-b=(\frac{1}{a})^b}}\\
\frac{1}{4^{-2}}=\frac{1}{(\frac{1}{4})^2}=\frac{1}{\frac{1}{16}}=1*\frac{16}{1}=16
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Solve the system. 9=4x-2y 2x+6=y
Digiron [165]

Step-by-step explanation:

4x-2y = 9 ...1

2x-y = -6 ...2

if ...2 × 2

4x-2y = -12

9 is not equal to -12

4 0
2 years ago
How do you solve algebra special systems
DIA [1.3K]
Y=-X-3
X+Y=4
You'll want to get X or Y by itself, which in this question it already is.

After that, use substitution (Plug -X-3 in place of Y in X+Y=4)

Equation should look like X+(-X-3)=4

Solve that equation

X+(-X-3)=4

X+(-X) cancels eachother out, leaving you with (-3)=4

Add 3 to both sides of (-3)=4, leaving you with 0=7

0 Can't equal 7, so this equation has no solutions
4 0
3 years ago
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hodyreva [135]
The answer is 3.5 + 1.5x = 12.5. So the answer would be C.
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Tatiana [17]

Answer:

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