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Arisa [49]
4 years ago
10

Need help asap! picture included!

Mathematics
2 answers:
bulgar [2K]4 years ago
6 0
Answer: 2/15

Explanation:
There 4 freshmen that are boy and there are 30 students in total

We get: 4/30 = 2/15

telo118 [61]4 years ago
4 0
The answer is 1/3


Explain

So let A be the event that say a freshman
And b be event that say a boy is chosen


So p(A\b ) that is both occur simultane lushly

4/12+18 = 2/15

So p (b) = 12/30 = 6/15


So we know p(A/b) = p (a/b)/ p(b) = 2/5 / 6/5 = 1/3


So the p( freshman/boy is 1/3



I hope this help you

Have a great day/night
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Player 1 and player 2 are running laps around a field. Player 1 runs 1 lap every 4 ​minutes, while player 2 runs 1 lap every 15
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3 years ago
Eight less than four times a number is less than 56. What are the possible values of that number?
Tomtit [17]
The possible values of that number are less than 16
4 0
3 years ago
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Please help!
FrozenT [24]
Points are collinear if they lie on the same line.

First find the equation of the line that passes through the points B and C.
B(4, -3) \\
x_1=4 \\ y_1=-3 \\ \\
C(-4,3) \\
x_2=-4 \\ y_2=3 \\ \\
m=\frac{y_2-y_1}{x_2-x_1}=\frac{3-(-3)}{-4-4}=\frac{3+3}{-8}=\frac{6}{-8}=-\frac{3}{4} \\ \\
y=-\frac{3}{4}x+b \\
(-4,3) \\
3=-\frac{3}{4} \times (-4)+b \\
3=3+b \\
b=0 \\ \\
y=-\frac{3}{4}x

The points lie on the line y=(-3/4)x.
Now plug the coordinates of the given points into the equation and check if they satisfy the equation.

(0,0) \\
x=0 \\ y=0 \\ \Downarrow \\
0 \stackrel{?}{=} -\frac{3}{4} \times 0 \\
0 \stackrel{?}{=} 0 \\
0=0 \\
\hbox{the point lies on the line} \\ \\
(1,1) \\
x=1 \\ y=1 \\ \Downarrow \\
1 \stackrel{?}{=} -\frac{3}{4} \times 1 \\
1 \stackrel{?}{=} -\frac{3}{4} \\
1 \not= -\frac{3}{4} \\
\hbox{the point doesn't lie on the line}


(1,-5) \\
x=1 \\ y=-5 \\ \Downarrow \\ -5 \stackrel{?}{=} -\frac{3}{4} \times 1 \\
-5 \stackrel{?}{=} -\frac{3}{4} \\
-5 \not= -\frac{3}{4} \\
\hbox{the point doesn't lie on the line} \\ \\
(6,-8) \\
x=6 \\ y=-8 \\ \Downarrow \\
-8 \stackrel{?}{=} -\frac{3}{4} \times 6 \\
-8 \stackrel{?}{=} -\frac{9}{2} \\
-8 \not= -\frac{9}{2} \\
\hbox{the point doesn't lie on the line}

The answer is A.
7 0
3 years ago
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