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dlinn [17]
3 years ago
12

What is 7p-(-5)+(-1)

Mathematics
2 answers:
nika2105 [10]3 years ago
7 0
7p-(-5)+(-1)
7p+5-1
7p+4
madreJ [45]3 years ago
3 0

the answer is 7p+4  i hope this helps

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3x+3y+6z=9<br> 2x+y+3z=7<br> x+2y-z=-10 <br> any one know the answer
kati45 [8]
3x + 3y + 6z = 9
2x + 1y + 3z = 7    ⇒ 6x + 6y + 8z = 6
1x + 2y  - 1z = -10                                   6x + 6y + 8z = 6
                                                                                4z = 12 
3x + 3y + 6z = 9                                                       4      4
2x + 1y + 3z = 7    ⇒  0x + 0y + 4z = 12                    z = 3
1x + 2y  - 1z = -10                                             2x + y = -2
                                                                      2x + (-4) = -2
                                                                          2x - 4 = -2
                                                                              + 4  + 4
                                                                               2x = 2
                                                                                2     2
                                                                                 x = 1
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Varvara68 [4.7K]

<u>Given</u>:

The given expression is (2^3)(2^{-4})

We need to determine how the expression can be simplified.

<u>Simplifying the expression:</u>

Let us determine how the expression can be simplified.

The expression is given by

(2^3)(2^{-4})

Applying the exponent rule that a^{b} \cdot a^{c}=a^{b+c} in the above expression, we get;

2^{3} \cdot 2^{-4}=2^{3-4}

Adding the exponents, we get;

2^{3} \cdot 2^{-4}=2^{-1}

Again, applying the exponent rule a^{-1}=\frac{1}{a}, we get;

2^{3} \cdot 2^{-4}=\frac{1}{2}

Thus, the simplified expression is \frac{1}{2}

Hence, the expression is simplified by adding the exponents and keep the same base. Then find the reciprocal and change the sign of the exponent.

Therefore, Option D is the correct answer.

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Answer:

isfoijsofjsofdj

Step-by-step explanation:

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