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JulsSmile [24]
3 years ago
6

Lin wants to know how many games teenagers in the United States have on their phones.

Mathematics
1 answer:
xeze [42]3 years ago
5 0

Answer:

1a. 42% of teens spend time playing games on their phones

2a. Collecting data would be difficult because you have t figure out what state  in the U.S to use.

3a. 513 students from 84 colleges nationwide found that 34.89 percent of them spend a lot of time playing games on their smartphones, and 42.69 percent play occasionally.

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Find the slope of the line that passes through:<br> (-4, 7) and (-6,-4)
kramer
The correct slope is 11/2. You can find this with the rise and run method or converting to slope intercept form which is y=11/2x+20.
8 0
3 years ago
How to turn -2/3 into y+mx+b
professor190 [17]

Answer: The slope-intercept form is y=mx+b y = m x + b , where m is the slope and b is the y-intercept.

6 0
3 years ago
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What are the center and radius of the circle with equation (−)+(−)=?Open x minus 4 close squared . Plus . Open y minus 9 close s
lbvjy [14]

Answer:

Center and radius of the circle of the  equation  {(x - 4)^{2} + (y - 9)^{2} = 1

center = ( 4,9)         Radius = 1

Step-by-step explanation:

Given -

Equation of circle is  (x - 4)^{2} + (y - 9)^{2} = 1

The equation of circle is  represented by

   \boldsymbol{\mathbf{(x - a)^{2} + (y - b)^{2} = r^{2}}}

where a and b are center of circle and radius r

Comparing these equation

then a = 4  and b = 9    and r = 1

3 0
4 years ago
guys if anyone answers ur questions with "sorry i couldnt attack the photo, heres a link" if the link is something like xtiny.cf
Gnom [1K]

Answer:

Yeah, I got it, y'all keep postin' this, Lol

Step-by-step explanation:

Thx yous

5 0
3 years ago
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A new surgical procedure is said to be successful 60% of the time. Suppose the operation is performed five times and the results
USPshnik [31]

Answer:

0.07776, 0.3456,0.08704

Step-by-step explanation:

Given that a new surgical procedure is said to be successful 60% of the time

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Prob that

a) all five operations are successful =

P(X=5)\\= (0.6)^5\\=0.07776

(b) exactly three are successful

=P(X=3) = 5C3 (0.6)^3(0.4)^2\\= 0.3456

(c) less than two are successful

==P(X

3 0
3 years ago
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