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Alenkasestr [34]
3 years ago
9

Two-column proof. please help

Mathematics
1 answer:
Citrus2011 [14]3 years ago
7 0

1. /_2 and /_5 are supplementary-----Given

2. /_ 3 ≅ /_2-----Vertical Angles Theorem. Vertical angles are congruent

3. /_3 and /_5 are supplementary-----Transitive Property or Same-side Interior Theorem. If /_2 and /_5 are supplementary then /_3 and /_5 are supplementary

4.  l║m----- For lines cut by a traversal and same-side interior angles are supplementary the lines are parallel


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PLS HELP ASAPPP plsss
Anna71 [15]

Answer:

27.5

Step-by-step explanation:

this is the trigonometric ratio.. we are looking for d... that is the opposite... any side facing the angel is the opposite.... so the longest side of the right angle triangle is the hypotenuse........ so you are looking for the opposite and you are giving the hypotenuse.... so the easiest way to know how to find it is by using this way...... SOH CAH TOA..... the first words stand for sin cosine and tangent of angles.... we are using sin.... because it says opposite / hypotenuse... and as you can see the angle which is 39 degree we will use sin 39.....what will be sin 39=d/30m....then ull cross multiply.... d=30m* sin 39.....

d = 30m *0.963

d = 28.8

but since 27.5 is dere....

you can round up to 1 sig. f =28

4 0
3 years ago
Help me plz idk how
Alika [10]
Hello there,

For problem one 
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For problem two
The pound is an appropriate unit to measure the weight of a bag of sugar.


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Hope this helps!

8 0
3 years ago
Joseph built a model of a pyramid where
monitta

Answer:

7

Step-by-step explanation:

\sqrt{49}  = 7

4 0
3 years ago
Write an equation of the line below
ozzi

Answer:

y=1/2+1

Step-by-step explanation:

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3 years ago
A video game that usually costs $30.65 is marked down 60%. Kelvin determined that the new price of the game would be $18.39. Loo
otez555 [7]

Answer:

Kelvin wrote 60 the wrong way.

He has to write $30.65 - 60%, not 0.60.

Here is the final correct equation:

$30.65 - 60% = 12.26

6 0
3 years ago
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