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avanturin [10]
3 years ago
9

Are these lines parallel,

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0
Answer - Perpendicular

First, find the slope of each line by using the point slope formula [(y2-y1)/(x2-x1)]. You should get that the slope line 1 is -2/3 and the slope of line 2 is 3/2. Using this, we can conclude that both the lines are perpendicular because their slopes are opposite reciprocals (meaning you flip one fraction and change its sign to get the other fraction).
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Please solve this problem
musickatia [10]

Answer:

Step-by-step explanation:

Multiply each side by 6x.

4x+x\sqrt{3\\ = 30

Square both sides.

16x^2+3x^2=900 = 19x^2

x^2= about \sqrt{47.37}

x=6.9

5 0
3 years ago
How much is the number 727731000 in percent form
tankabanditka [31]

Answer:

72773100000%

Step-by-step explanation:

"Percent" means "per 100" or "over 100". So, to convert 727731000 to percent we rewrite 727731000 in terms of "per 100" or over 100.

Multiply 727731000 by 100/100. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number.

7277310001×100100=72773100000100

72773100000/100 is 72773100000 over 100 and means 72773100000 per 100. 72773100000 "per 100" means 72773100000 "percent" or 72773100000%

Therefore, we have shown that

727731000 = 72773100000%

Simplified Conversion:

Multiply by 100 and add the percent sign %

727731000 × 100 becomes 72773100000%

Shortcut Conversion:

Move the decimal point 2 places to the right and add the percent sign %

727731000 becomes 72773100000%

7 0
3 years ago
Read 2 more answers
Write the slope intercept equation of a line that passes through points (-3,4) and (2, -6)
Setler [38]
Find slope by calculating rise over run.
-6-4 / 2-(-3)
-10/5
-2

Then plug one set of coordinates and the slope in to find the b value
-6= -2(2)+b
-6=-4+b
-2=b

Final answer: y=-2x-2
8 0
3 years ago
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leonid [27]

Answer:

a) y = 4.5

Step-by-step explanation:

y intercept is where the line crosses the y axis. so y must be 4.5

5 0
3 years ago
This is the last problem for today :/
sergey [27]
Answer is 4 and I will attach a photo of my work

7 0
3 years ago
Read 2 more answers
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