3 years ago

How do i write a proof for this

Mathematics

1 answer:

babymother [125]3 years ago

6 0

Since, the co-interior angles(55° and 125°) are supplementary(sum is 180), therefore the lines are parallel.

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I will give you brainliest whoever answers correct first !

fomenos

Answer:

72.8

Step-by-step explanation:

16 is 8 times 2. 36.4 times 2 would be 72.8

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3 years ago

When solving the system x + 2y = 9 and x - y = 6 by substitution, what can be substituted for x in the second equation?

bazaltina [42]

X+2y = 9 ---------eq.1
x-y =6 ----------- eq.2

x = 9 -2y (from eq. 1)

Now substitute the value of x in the second eq.2

9-2y-y =6
-3y = -3
y =1

So,
x +2 (1)= 9
x= 7

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3 years ago

Please someone help me with this

Darya [45]

Answer: A. 10x + 30

Step-by-step explanation:

The distributive property states that a(x+y) = ax+ay. Thus, simply do:

$10*x+10*3$

$10x+30$

Hope it helps <3 :D

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3 years ago

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irina1246 [14]

Answer: it’s A. 7 units to the left and 7 units down.

Step-by-step explanation:

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3 years ago

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Solve by using Elimination.

Sonja [21]

Answer:

using elimination method:

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3 years ago

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