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yKpoI14uk [10]
3 years ago
12

Quadrilateral ABCD has opposite sides that are parallel and side AB congruent to side DC. What classification can be given to AB

CD
Mathematics
2 answers:
fomenos3 years ago
6 0
One pair of opposite sides both parallel and congruent implies a parallelogram.
amid [387]3 years ago
5 0

Answer:

Parallelogram

Step-by-step explanation:

We are given that a quadrilateral ABCD.

Quadrilateral ABCD has opposite sides that are parallel Sides.It means side BA is parallel to side CD and side BC is parallel to side AD

AB is congruent to side DC.It means side AB is equal to side DC.

We  have to find the classification of given ABCD.

We know that  parallelogram in opposite sides are equal and opposite side are equal.

Rectangle in which opposite side are equal and parallel and each angle is equal to 90 degrees.

When opposite sides of quadrilateral are parallel and AB is equal to DC then the quadrilateral is  parallelogram.

Hence, the given quadrilateral ABCD isa parallelogram.

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An airline estimates that 90% of people booked on their flight actually show up. If the airline books 71 people on a flight for
OLEGan [10]

Answer:

The probability is 0.0144

Step-by-step explanation:

The probability that x people show up follows a binomial distribution, so it is equal to:

Where n is the number of booked people and p is the probability that a person shows up. Then, the probability that x people show up is:

So, the probability that the number of people who show up will exceed the capacity of the plane is:

P(x>73) = P(74) + P(75)

Where P(74) and P(75) are calculated as:

Finally, P(x>73) is:

P(x>73) = 0.0125 + 0.0019 = 0.0144

3 0
1 year ago
Line A has a slope of -4/3. Line B is perpendicular to Line A. What is the slope of Line B?
blsea [12.9K]

Answer:

The answer is 3/4

Step-by-step explanation:

If two lines in perpendicular, then the slope has a relation as slope1 * slope2 = -1. Then if line 1 has slope -4/3 then -4/3 * x = -1, then x = 3/4 which is the slope for the second line.

3 0
2 years ago
What measure of center best represents the data set?
inysia [295]
I feel like it would be mean or median, because there is no outlier, making it so that all of the numbers are closely put together.

Put the set into order.

25, 26, 27, 28, 29

So, we know that this is all in order, making it so that we know for sure that there is no outlier. 

If you find the mean, it'll represent the data nicely. 

We know that both the mean and median represent the data set nicely, because it just does. It's one of those things that are extremely painful and hard to fully explain and have someone understand, but don't worry, it makes sense.

So, it can't just be the mean only or the median only.

It also can't be the mode only, because THERE IS NO MODE! 

So, our final answer is mean or median :)

~Hope I helped!~
7 0
3 years ago
A toy previously sold for $10.00 now sells for 75 cents. Calculate the decrease in the value of the toy
kramer
The decrease in the value of the toy is $9.25 if you subtract $ 0.75 from $10.00 then you get $9.25 so it's $9.25 cheaper
7 0
3 years ago
Use the graph below. Explain why the intervals on the horizontal axis could make the graph misleading
borishaifa [10]

Answer:

(D) I think

Step-by-step explanation:

Lets look at our answer choices; A.

The intervals are not comparable. The shorter bar spans more than 10 years. When it comes to a horizontal axis it doesn't matter how far it expands,just if it's expanded correctly.

B.The intervals are appropriately labeled. There not it goes from 25 to 50 in just in instant few climbs up.

C.The intervals are not comparable, but the data on the graph is not misleading. It is misleading the graphs are incorrectly labeled.

Which brings us to our answer D.The vertical axis does not have an appropriate scale. it goes from 0-25 25-50 and 50-75 then 75-100. that's a short distance for such numbers that are pretty far apart.

I hope I'm right and I hope this helps:)!

5 0
2 years ago
Read 2 more answers
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