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hichkok12 [17]
3 years ago
13

Part A: If (7^2)^x = 1, what is the value of x? Explain your answer. (10 points)

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0
Answers:Part A: The value of x is 0.Part B: X can be any real number.
In Part A, you have to first evaluate 7^2. This is 49. Now, write the equation 49^x = 1. We know that if you raise any number to 0, then the answer is 1.
In Part B, you have to first evaluate 7^0, that is 1. Now, we have the equation 1^x = 1. In this case, 1 raised to any exponent is still only 1. Imagine 1^17, this would be 1 times itself 17 times or just 1.
Therefore any number will work in Part B.

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Help! I don't get this, and if it is easy to you, this isn't my paper, it is my friends! <3
mihalych1998 [28]

(1 + i)/(1 + 2i)

To simplify this, we need to multiply both sides by the conjugate.

(1 + i)(1 - 2i)

1 - 2i - i - 3i^2

Combine like terms.

3i^2 - 3i + 1

i^2 = -1

-3i - 2 is the simplified numerator.

(1 + 2i)(1 - 2i)

1 - 2i + 2i - 4i^2

1 - 4i^2

i^2 = -2

1 + 4

5


<h3><u>The simplified expression is ((-3i)/5) + ((-2)/5)</u></h3>
7 0
3 years ago
Whats the answer to x^3 y^0 z^-2
Elina [12.6K]

Answer:

\frac{x^3}{z^2}

Step-by-step explanation:

There are no given values, therefore we can't determine a definite answer. However, we are able to simplify the expression.

As we all know that any variable or number to the power of 0 is equal to 1. This means that y^0 = 1.

We also know that a negative power can bring the variable down and make it a fraction. This means that z^-^2=\frac{1}{z^2}

Now that we got these two sorted we are able to write it in a simplified form.

Answer: \frac{x^3}{z^2}

5 0
3 years ago
7(-8)-2y=-52<br><br><br><br><br><br><br><br> help...
Citrus2011 [14]

Answer:

y=-2

Step-by-step explanation:

4 0
3 years ago
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Savatey [412]
If they are supplementary then 3x + 17x = 180

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x = 9     
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3 0
3 years ago
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valentina_108 [34]

r =  \frac{337.5}{4.5}  \\ r = 75
the answer is c-75mph
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