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weeeeeb [17]
4 years ago
12

Which of the following is true about a parallelogram?

Mathematics
2 answers:
xz_007 [3.2K]4 years ago
7 0
I think the answer is B. idk if im right and im sorry if im wrong

Plz mark me brainliest
IgorC [24]4 years ago
6 0
I think the answer is B. idk if im right and im sorry if im wrong
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Use the formula d=rt to find the distance a long distance runner can run at a rate of 9 1/2 miles per hour for time of 1 3/4 hou
eduard

d=rt

r = 9  1/2  as an improper fraction   (2*9 +1)/2 = 19/2

t = 1 3/4  as an improper fraction (4*1+3)/4 =7/4

d=rt

d = 19/2* 7/4 = 133/8

8 goes into 133 16 times with 5 left over

16 5/8 miles

6 0
3 years ago
Read 2 more answers
The​ _______ of a discrete random variable represents the mean value of the outcomes.
USPshnik [31]

Answer:

expected value

Step-by-step explanation:

3 0
3 years ago
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The volume of a cone is 20pi cubic meters. What is the volume of a cylinder with the same base and height?
Sergeu [11.5K]
Recall, the volume of a cone is 1/3pi times radius of base times height.
V cone_{} =  \frac{1}{3} * \pi *r^2*h

Volume of a cylinder is the same but without the 1/3
V cyl_{} = \pi*r^2*h

It gives you the cone volume 20pi and that the radius and height of both of them are the same values.
20 \pi= \frac{1}{3}  \pi r^2h
V cyl_{}= \pi r^2h

since it says the radius and height are the same for both , you can equate the two, you can solve both equations for r^2*h and then equate what is on the other side.
60=r^2h

\frac{V}{ \pi } =r^2h

so
60= \frac{V}{ \pi }
V=60  \pi
4 0
3 years ago
The law of cosines reduces to the Pythagorean theorem whenever the triangle is acute. true or false
inysia [295]
False- the included angle must be a right angle for cos C to be 0 & two other points are normally used
6 0
3 years ago
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.In a group of 40 people, 15 people are wearing
Oksi-84 [34.3K]

Answer:

It should be 5:10 or 5 people not wearing sneakers and 10 not wearing a blue shirt

Step-by-step explanation:

Well it quite simple 1st you have the total which is 40

next you look at the rest, 15 people wearing sneakers plus the 5 waering sneakers and blue shirt. now you have 15.

next you have 10 people wearing but shirts. if you add the numbers you have now you get this: 15+10=25.

Now that you have 25 you can just add numbers to get 25(in that case 10 and 5). whats how you get 5:10

hope this helps (barry_ary)

4 0
3 years ago
Read 2 more answers
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