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vodka [1.7K]
2 years ago
5

Help please!!!!!!!!!!!!!!

Mathematics
1 answer:
marshall27 [118]2 years ago
3 0

Step-by-step explanation:

as in the other problem, the table describes mutually exclusive attributes.

so, we can simply sum the numbers up to get the total number of students :

3+9+2+16 = 30 students.

so, when picking a random student, we have 30 possibilities.

now, how many of those 30 have the desired attributes (to have a brother AND a sister) ?

I see 3 in the table.

so, the probability to pick a student that has a brother and a sister is

3/30 = 1/10 = 0.1

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fomenos

Answer:

19/9

Step-by-step explanation:

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8 0
2 years ago
Someone help me please :(
Aleksandr-060686 [28]

9514 1404 393

Answer:

  A.  ∠EAG and ∠BAC

Step-by-step explanation:

Vertical angles share a vertex and have opposite rays for sides.

Rays AE and AB are opposite; rays AG and AC are opposite. These are the only pairs of opposite rays in the figure, so the vertical angles must be constructed from one of the rays of the first pair and one of the rays of the second pair. ∠EAG and ∠BAC are a pair of vertical angles.

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5 0
3 years ago
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Step-by-step explanation:

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OLEGan [10]

Answer:

0 <=t<=21

Step-by-step explanation:

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