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almond37 [142]
3 years ago
5

If there are 20 pencils and 5 students,write as a ratio for pencils to students in 3 ways.

Mathematics
1 answer:
KonstantinChe [14]3 years ago
6 0

20:5 20 and 5 20/5 i hope this helps!!!

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Each story of a building is 14.3 feet tall. If the height of the building is 185.9 feet, how many floors does the building have?
zvonat [6]

Answer:

D 13

Step-by-step explanation:

To find out how many floors the building has, we take the height of the building and divide by the size of each floor

floors = 185.9 ft / 14.3ft per floor

           = 13 floors

3 0
3 years ago
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Yolanda is going to watch a movie in her collection. She has 3 action movies, 4 comedies, and 5 dramas.
andre [41]

Answer:

Step-by-step explanation:

Probability=(number of specific outcomes)/(total number of outcomes)

Since there are 4 comedies and 3+4+5=12 total movies

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5 0
3 years ago
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Consider a triangle formed by connecting the three points: (0 0 0), (1 0 0), (1 1 1). a. Find the vector which is perpendicular
Sidana [21]

Answer:

=k−j   or (0 -1 1)

Step-by-step explanation:

The Vector or Outer Product two vectors, say →x&→y, is  

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The given pts. A (0 0 0), B (1 0 0), C (1 1 1) lie in a

plane ABC.

As suchType equation here., the vectors (→(AB ) )and (→AC ) are members, ∈ of the plane ABC

That is □(→(AB )×(→AC))  to the plane ABC

(→(AB ) )=(1-0,0-0,0-0)=(1,0,0)

(→(AC ) )=(1-0,1-0,1-0)=(1,1,1)

(→(AB )×(→AC=  (0i -j  k)

=k−j  

Which is in the positive Z direction

3 0
3 years ago
three fruits are randomly selected from a basket containing 3 apples 2 oranges and 5 kiwis. What is the probability that the thr
stira [4]
3/10 is the probability


8 0
3 years ago
Why is there a 1/2 in this formula for the area of a trapezoid?
aleksandrvk [35]

A simple answer is that any given trapezoid with height h and length of the parallel lines a and b, is half of a parallelogram with an area of (a+b) x h. Since the trapezoid is half of this, it is h(a+b)/2

7 0
2 years ago
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