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blsea [12.9K]
3 years ago
7

Which is the graph of the linear inequalityx2y>-6?

Mathematics
1 answer:
Yuliya22 [10]3 years ago
5 0

Answer:

We will graph the inequality in simplified form i.e y>-3

The graph is shown in figure below

Step-by-step explanation:

Which is the graph of the linear inequality 2y>-6

(Note: Considering the inequality is 2y>-6 and x is typing mistake.)

First we will solve the inequality to find value of y

We have inequality:

2y>-6

For finding y we have to divide both sides of inequality by 2

\frac{2y}{2}>\frac{-6}{2}  \\y>-3

Now, we will graph the inequality in simplified form i.e y>-3

Inequality can be graphed on number line as well as graph paper.

Graph on number line

Since y is greater than -3, so all values greater than -3 will be included on the number line. An open circle will be drawn on -3, indicating -3 is not included but values greater than -3 are included. The figure A shows the graph

Graph on Graph paper

Since y is greater than -3, so all values greater than -3 will be included on the number line. A dotted line will appear on -3 and the region on right side of -3 (values greater than 3) will be shaded. The figure B shows the graph

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The highest recorded temperature during the month of July for a given year in Death Valley, California has an approximately norm
S_A_V [24]

Answer:

P(X

And we can find this probability using excel or the normal standard tabe and we got:

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the temperatures of a population, and for this case we know the distribution for X is given by:

X \sim N(123.8,3.1)  

Where \mu=123.8 and \sigma=3.1

We are interested on this probability

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And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

If we apply this formula to our probability we got this:

P(X

And we can find this probability using excel or the normal standard tabe and we got:

P(z

6 0
3 years ago
Need help with this question please help
Bess [88]
If you look closely the area where 3x is congruent to the other side of the 90 degree angle with one part as 0.5x + 34

So
3x + 0.5x + 34= 90

x will be 16

So plug it in

0.5(16) + 34= 42 degrees


And


3(16)= 48 degrees

That left half of the circle is 180 degrees and since we know the angle 3x is 48 degrees we subtract it from 180 to get angle AE


180-48

132 degrees is your answer

7 0
3 years ago
Please help me !!!!!
astra-53 [7]

Answer:

1.8m²

Step-by-step explanation:

∅= 51× π/180 = 17π/60

area of sector= 1/2 × r²× ∅

= 1/2 × 2²× 17π/60

= 34π/60

= 1.78m²

6 0
3 years ago
Solve the inequality n/-3 + 8 > 6.
yan [13]
-(n/3)+8>6
-n+24>18
-n>-6
n<6
8 0
3 years ago
Give the slope of a line parallel to the given line.
Korvikt [17]

Answer:

1/4

Step-by-step explanation:

in parallel lines, the slope is the same, the y-intercept is the one that changes

6 0
2 years ago
Read 2 more answers
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