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Sergeeva-Olga [200]
3 years ago
14

Solve each inequality and graph it’s solution

Mathematics
1 answer:
asambeis [7]3 years ago
7 0

13 < x+12\leq20\ \ \ \ |-12\\\\1 < x\leq8\to x\in\left(1,\ 8\right>\\---------------------\\33\geq5+7x\geq12\ \ \ \ |-5\\\\28\geq7x\geq17\ \ \ \ |:7\\\\4\geq x\geq\dfrac{17}{7}\\\\4\geq x\geq2\dfrac{3}{7}

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Write the equation of the line that passes through the given point and has the given slope:
Wewaii [24]

Answer:

\displaystyle 4x - y = 21, -4x + y = -21, or\:y = 4x - 21

Step-by-step explanation:

In this case, the <em>y-intercept</em><em> </em>and <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>] are given to us, so just put it in Slope-Intercept Form:

\displaystyle y = 4x - 21

If you want it in <em>Standard Form</em>:

y = 4x - 21

- 4x - 4x

_________

\displaystyle -4x + y = -21\:OR\:4x - y = 21

I am joyous to assist you anytime.

3 0
3 years ago
Read 2 more answers
A(-1, 1)b(1, -2)c(0, -4) rotated 270 degrees by the origin
Ilia_Sergeevich [38]
Use the formula (y,-x)
a: (1,1)
b’(-2,-1)
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8 0
3 years ago
A school district is considering a change that would involve switching the daily start times for its elementary and
aleksklad [387]

Using the Central Limit Theorem, it is found that each random sample must have at least 10 parents supporting the change and 10 opposing.

<h3>What does the Central Limit Theorem state?</h3>

It states that for a <u>proportion p in a sample of size n</u>, the sampling distribution of sample proportion is approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1 - p)}{n}}, as long as np \geq 10 and n(1 - p) \geq 10.

For the test hpyothesis, two conditions are needed:

  • Random samples.
  • The sampling distribution must be approximately normal.

Hence each random sample must have at least 10 parents supporting the change and 10 opposing.

More can be learned about the Central Limit Theorem at brainly.com/question/24663213

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=17%20%3E%20" id="TexFormula1" title="17 &gt; " alt="17 &gt; " align="absmiddle" class="latex-f
klemol [59]

Answer:

The equation is equashon

Step-by-step explanation:

:D

7 0
3 years ago
What is the perimeter of the figure shown below?
tia_tia [17]

Answer:

D. 6x-14

Step-by-step explanation:

So first we would do 3x^2+3x^2-5x^2

That would all cancel out so that would be 0.

Next we would do 3x-4x+7x, this would equal to 6x

Finally we would do -4-8-2, this would be equal to -14

Then the equation would be 6x-14

All you have to do is combine like terms.

Hope this helped!

5 0
3 years ago
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