State the number of possibilities: you select 4 people to represent your class of 205 students

1 answer:

6 0

If you have 205 students, and only 4 open positions, there would be multiple possibilities. For this question I would multiply 4 by 205, in which would contain every single possibility. 4 positions, 205 students, 4 times 205 would be 820 possibilities. Hope this helps.

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tatiyna

Answer:

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7 0

3 years ago

One angle of a triangle measures 140°. The other two angles are in a ratio of 7:13. What are the measures of those two angles?

djyliett [7]

STEP 1:
Triangles= 180°

Other Angles= 7:13= 7x + 13x

Add all the angles to equal 180°

140° + 7x + 13x= 180°
combine like terms

140° + 20x= 180°
subtract 140 from both sides

20x= 40
divide both sides by 20

x= 2

STEP 2:
substitute x value to find other two angles

7x= 7(2)= 14° one angle

13x= 13(2)= 26° other angle

CHECK:
140° + 14° + 26°= 180°
140 + 40= 180
180= 180

ANSWER: The other two angles measure 14° and 26°.

Hope this helps! :)

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4 years ago

Find the coordinates of the midpoint of CM with endpoints C(1, -6) and M(7,5).

Vilka [71]

Answer: The coordinates of the midpoint of CM with endpoints C(1, -6) and M(7,5) are $(4,-\dfrac{1}{2})$ .