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serg [7]
3 years ago
10

In a family with 5 children, excluding multiple births, what is the probability of having exactly 2 girls?

Mathematics
2 answers:
svetoff [14.1K]3 years ago
6 0
1/2*1/2*1/2*1/2*1/2=1/32
Nat2105 [25]3 years ago
4 0
There is a 1/32 chance of that family having a girl.
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often there are multiple ways to prove that lines are parallel. how easily do you recognize different possibilities
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3 years ago
Read 2 more answers
What’s the cube root of -9
Aneli [31]
It might be -3 because 3•-3 is -9?
7 0
2 years ago
Write the equation of the line that passes through the points (0,8) and (-1,-4).
Anettt [7]

Step-by-step:

Use slope formula to find the slope. (y - y)/(x - x)

Make sure the x and y in front of the minus is a pair that goes together, as well as the x and y behind the minus sign. So

8 - -4 goes on top, that's 12

0 - -1 goes under, thats 1

12/1 is the slope which is just 12. Use either point to fill in the second x and the second y in the point-slope equation. m is the slope.

y - y = m(x - x)

y - 8 = 12(x - 0)

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5 0
2 years ago
Best explained and correct answer gets brainliest.
topjm [15]
U = (-2,3)

V = (3,0)

midpoint of UV

= ( (3-2)/2 , (3+0)/2 )

= ( 1/2 , 3/2)

= ( 0.5 , 1.5)

X = (0.5 , 1.5) [from fig]

midpoint of UV = X

W= (-2,-3)

V =( 3.0)

Y = ( (-2+3)/2 , (-3+0)/2 )

= (0.5 , - 1.5)

Y = ( 0.5 , -1.5) [ from fig ]

Y is the midpoint of WV

by midpoint theorem ,

UW = 2( XY )
6 0
3 years ago
The sum of three integers is 228. The second integer is 1 more than the first, and the third integer is 2 more than the first. W
MaRussiya [10]
Ok so to start, your unknown numbers will ne represented as x. The equation looks like this: x+x+1+x+2=228. You have your unknown number, the number plus one, and the numner plus two. To find the answer you divide 228 by 3. Those numbers are all equal though,so you play around with them until you get 75+75+1+75+2=228
7 0
3 years ago
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