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Nataly [62]
3 years ago
5

2x² + y=6please help​

Mathematics
1 answer:
babymother [125]3 years ago
4 0

Answer:

x=√

−1

2

y+3 or x=−√

−1

2

y+3

Step-by-step explanation:

Let's solve for x.

2x2+y=6

Step 1: Add -y to both sides.

2x2+y+−y=6+−y

2x2=−y+6

Step 2: Divide both sides by 2.

2x2

2

=

−y+6

2

x2=

−1

2

y+3

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Fynjy0 [20]

Answer:

The probability of the stick's weight being 2.33 oz or greater is 0.0041 or 0.41%.

Step-by-step explanation:

Given:

Weight of a given sample (x) = 2.33 oz

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Standard deviation (σ) = 0.22 oz

The distribution is normal distribution.

So, first, we will find the z-score of the distribution using the formula:

z=\frac{x-\mu}{\sigma}

Plug in the values and solve for 'z'. This gives,

z=\frac{2.33-1.75}{0.22}=2.64

So, the z-score of the distribution is 2.64.

Now, we need the probability P(x\geq 2.33 )=P(z\geq  2.64).

From the normal distribution table for z-score equal to 2.64, the value of the probability is 0.9959. This is the area to the left of the curve or less than z-score value.

But, we need area more than the z-score value. So, the area is:

P(z\geq  2.64)=1-0.9959=0.0041=0.41\%

Therefore, the probability of the stick's weight being 2.33 oz or greater is 0.0041 or 0.41%.

5 0
3 years ago
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Tresset [83]

Answer:

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-plz mark brainliest-

5 0
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Read 2 more answers
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Answer:

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2 years ago
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