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IRINA_888 [86]
3 years ago
15

Solve x (give answer as fractions or integers). 2^x =1/2​

Mathematics
1 answer:
Rudik [331]3 years ago
7 0

Answer:

x = -1

Step-by-step explanation:

When an exponent is negative, you have to move it to the denominator (or to the numerator if it's already on the denominator). Since the answer is \frac{1}{2}, you know that the 2 has been raised to the power of 1 (any number to the power of 1 is the same number), so you just make it negative. Hope that helps!

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Two rubix cubes are shown in the image. The edge length of these cubes is 5.7 centimeters. What is the combined volume of the tw
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Answer:

The answer is No.4

Step-by-step explanation:

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What is the nth term of the sequence -2 -8 -18 -32 -50
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Answer:

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Step-by-step explanation:

Using the image attached:
We see that the second differences (blue ones) are all equal so we conclude that this is a quadratic sequence.
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To find the value of a we just divide second difference ( -4 ) by 2:

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Now we have:

  • T_{n}= -2n^{2}  +bn+c

Substitute n_{1} and n_{2} into the equation above:

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Since T_{1} = -2 and T_{2} = -8 , after simplification we have:

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The general term is :

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