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astraxan [27]
3 years ago
15

If 8 adult smartphone users are randomly​ selected, find the probability that at least 4 of them use their smartphones in meetin

gs or classes.
Mathematics
1 answer:
aleksklad [387]3 years ago
8 0

The answer would would 63.67%.

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If 1/3 = 2 , 2/3 = ?
Andrei [34K]

Answer:

2/3 = 1.5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Graph the direct variation y=−1.5x. Using the graph, find:
Mariana [72]
Y=-3

-3=-1.5x
you substitiue y value, then you divide both sides by -1.5 and you get 2 for x.
(2,-3)

y=4.5
4.5=-1.5x
you substitute y value, then again you divide both sides by -1.5 and you get 3.
(3,4.5)



y=6
6=-1.5x
same thing for this last one. then once again divide by -1.5 and you get -4.
(-4,6)




7 0
2 years ago
Which expression is the factorization of x2 + 10x + 212
Montano1993 [528]

Answer:

The answer is option 1.

Step-by-step explanation:

Firstly, you have to elaborate the expression :

{x}^{2}  + 10x + 21

=  {x}^{2}  + 3x + 7x + 21

Next you have to take out the common factors and factorize it :

{x}^{2}  + 3x + 7x + 21

= x(x + 3)  +  7(x + 3)

= (x + 7)(x + 3)

8 0
3 years ago
Read 2 more answers
I am having trouble with number 2. Please show how the answer was gotten.
Andrews [41]

We know how we got 90, since a right angle is 90 degrees,

180 degrees are in a triangle.

180-90=90

Find the pair that equals 90 so you get 180 degrees!

If you have more questions don’t have hesitation to ask!

Or add all number to get 180 degrees!

4 0
2 years ago
The map shows the location of a mall, library, and school in a city: Coordinate grid shown from negative 16 to positive 16 on x
matrenka [14]
16 because 8 is = to 15
3 0
3 years ago
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