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3 years ago

Solve for x in the diagram below. 30° 80° 2.cº T =

Mathematics

2 answers:

Lilit [14]3 years ago

8 0

Hello, there!!!!

Given that, 

80°,3x° and 2x°are three angles on a st.line.

we have,

2x°+3x°+80°= 180° {The total sum of angles on a st. line is 180°}.

or, 5x°= 180°-80°

or, 5x°=100°

or, x= 100°/5

Therefore the value of x is 20°.

Hope it helps...

Andrei [34K]3 years ago

4 0

180 = 80 + 2x + 3x
100 = 5x
x = 20

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At a convention there are 7 mathematics instructors, 5 computer science instructors, 3 history instructors, and 4 english instru

kodGreya [7K]

Answer:

12/19.

Step-by-step explanation:

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Probability (getting a mathematics instructor) = 7/19.

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3 years ago

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4 years ago

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zlopas [31]

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4 years ago

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Using an ordered alphabet of 26 letters, how many ways are there to choose a set of six letters such that no two letters in the

mestny [16]

To find our solution, we can start off by creating a string of 27 boxes, all followed by the letters of the alphabet. Underneath the boxes, we can place 6 pairs of boxes and 15 empty boxes.The stars represent the six letters we pick. The empty boxes to the left of the stars provide the "padding" needed to ensure that no two adjacent letters are chosen. We can create this -
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3 years ago