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3 years ago

11

In the graph, rectangle BCDE is rotated to form rectangle B’C’D’E’. Use the diagram to complete the statement. Point P is called

the center of .

2 answers:

dangina [55]3 years ago

8 0

Answer: the point p is called the center not rotation

Step-by-step explanation:

Maksim231197 [3]3 years ago

4 0

Answer: Rotation

Step-by-step explanation:

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Emily spent 1/2 of her money at the grocery store.Then, she spent 1/2 of what was left at the bakery. Next, at the music store,

Artist 52 [7]

I believe the answer is $48 because 6 * 2 is 12 and 12 * 2 is 24 and 24 * 2 is 48, thus 48$. Please feel free to check my work, though.

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4 years ago

25 students in a high school health class are asked to write down what foods they ate last week. Of the 25

kondor19780726 [428]

Answer:

14/25, 6/25, 1/5, 3/5

Step-by-step explanation:

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3 years ago

E probability of observing the experiment result, a sample mean, for example, or something more unusual just by chance if the nu

pentagon [3]

The probability of observing the experiment result, a sample mean, for example, or something more unusual just by chance if the null hypothesis is true is the definition of "P-Value."

<h3>What is null hypothesis?</h3>

A null hypothesis is a sort of statistical hypothesis which asserts that there is no statistical significance in a particular set of observations.

Using sample data, hypothesis testing is performed to determine the believability of a theory. It really is expressed as H0 and is also known to simply as "null."

Some key features regarding null hypothesis are-

A null hypothesis is a statistical conjecture that claims there is no variation between particular qualities of a population and data-generating process.
The alternate hypothesis asserts the existence of a distinction.
Hypothesis testing allows you to reject the null hypothesis with a particular level of confidence.
If the null hypothesis can be rejected, it lends support to the alternative hypothesis.
The notion of falsity in science is founded on null hypothesis testing.

To know more about null hypothesis, here

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8 0

2 years ago

Can someone help me with this?

zvonat [6]

Sorry, don't have time to do them right now but I know who does!

http://www.wolframalpha.com/widgets/view.jsp?id=ae438682ce61743f90d4693c497621b7

Just plug in 2 at a time.

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3 years ago

The bases of a trapezoid lie on the lines y=2X +7 and y= 2X -5. Write the equation that contains the midsegment of the trapezoid

ryzh [129]

Given:

The bases of a trapezoid lie on the lines

$y=2x+7$

$y=2x-5$

To find:

The equation that contains the midsegment of the trapezoid.

Solution:

The slope intercept form of a line is

$y=mx+b$

Where, m is slope and b is y-intercept.

On comparing $y=2x+7$ with slope intercept form, we get

$m_1=2,b_1=7$

On comparing $y=2x-5$ with slope intercept form, we get

$m_2=2,b_2=-5$

The slope of parallel lines are equal and midsegment of a trapezoid is parallel to the bases. So, the slope of the bases line and the midsegment line are equal.

$m=m_1=m_2=2$

The y-intercept of one base is 7 and y-intercept of second base is -5. The y-intercept of the midsegment is equal to the average of y-intersects of the bases.

$b=\dfrac{b_1+b_2}{2}$

$b=\dfrac{7-5}{2}$

$b=\dfrac{2}{2}$

$b=1$

So, the y-intercept of the required line is 1.

Putting m=2 and b=1 in slope intercept form, we get

$y=2x+1$

Therefore, the equation of line that contains the midsegment of the trapezoid is $y=2x+1$ .

7 0

3 years ago