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alina1380 [7]
3 years ago
7

Please help with number 6 ( at the top)

Mathematics
1 answer:
castortr0y [4]3 years ago
8 0
30 + 8d = 102
8d = 102 - 30
8d = 72
d = 72/8
d = 9....you would have to walk 9 dogs
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Find the equation of the line that contains the point (4, - 2) and is perpendicular to the line y = - 2x + 5. ​
Licemer1 [7]
<h3>Answer:</h3>

y=1/2x

<h3>Solution:</h3>
  • The slopes of perpendicular lines are opposite reciprocals of each other.
  • The simplest way to determine a number's reciprocal is to flip it over, like so:
  • -2 ~ - > -\displaystyle\frac{1}{2}
  • Now, change the sign:
  • \displaystyle\frac{1}{2}
  • So we have the <em>slope </em>of the line that's <em>perpendicular </em>to the given line.
  • Now, let's find the line's equation.
  • First, let's write it in Point-Slope Form:
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Hope it helps.

Do comment if you have any query.

5 0
2 years ago
Read 2 more answers
The sum of two consecutive integers is 145145. find the two integers.
Serhud [2]
1st integer: x
2nd integer: x+1 

Add them up: 2x+1= 145145 
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x=72,573 

Answer; 
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6 0
2 years ago
Which two points satisfy y = -x2 2x 4 and x y = 4?
matrenka [14]
I will assume that the two equations are

1) y = -x^2 +2x + 4 and 2) x +y = 4

subtract 2 from 1 and you get

y -x - y = -x^2 + 2x + 4 - 4

-x = -x^2 +2x

x^2 -x -2x = 0

x^2 - 3x = 0

x(x-3)=0

x=0 and x - 3 =0

x=0 and x = 3

Then y = 4 - x

y = 4 - 0 and y = 4 -3
y = 4 and y =1

Solutions:

Points (0,4) and (3,1)

 



6 0
3 years ago
Can someone please help me with 3 and 4
Bess [88]
4 is a regular rhombus I think don't quote me on that. I am pretty sure though
5 0
2 years ago
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KonstantinChe [14]
The down payment is $248
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