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ollegr [7]
3 years ago
15

How many solutions does the following equation have? (5 points) 4x+ 12 = 0

Mathematics
1 answer:
zhenek [66]3 years ago
8 0
One solution ! Which is x=-3
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Which is equivalent to x^3 y^-7
PilotLPTM [1.2K]

For this case we must find an expression equivalent to:

x ^ 3 * y ^ {- 7}

By definition of power properties we have to meet:

a ^ {-1} = \frac {1} {a ^ 1} = \frac {1} {a}

Then, we can rewrite the expression as:

x ^ 3 * \frac {1} {y ^ 7} =\\\frac {x ^ 3} {y ^ 7}

Answer:

\frac {x ^ 3} {y ^ 7}

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3 years ago
Evaluate<br><br> x = -3.75<br><br> 4x + 12 - 8x + 23 =
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Answer:

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Step-by-step explanation:

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Write 996.007 as a mixed number
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996(7)/(10) should be correct.
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weeeeeb [17]

1/2 is your Answer

I came across this question to

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Roll a die 10 sided die 3 times. What is the probability that the sequence is strictly increasing or decreasing?
snow_lady [41]

Answer:

The probability of obtaining a sequence which is neither strictly increasing nor decreasing in 0.76.

Step-by-step explanation:

We have 10 possible outcomes on a single throw.

So, outcomes in 3 throws = 10^{3} =1000 outcomes.

Let x be the number of strictly increasing arrangements.

Let y be the number of strictly decreasing arrangements.

Let z be the number of outcomes that are neither strictly decreasing nor strictly increasing

So, we have x+y+z=1000

If we look at a strictly increasing arrangement from the other/opposite side, it will look like a strictly decreasing arrangement.

So, x = y

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2x+z=1000

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So, 2x=2\times120=240

Thus z=1000-240=760

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Therefore, the probability of obtaining a sequence which is neither strictly increasing nor decreasing in 0.76.

4 0
3 years ago
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