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s2008m [1.1K]
3 years ago
10

What is the slope of a line that is perpendicular to the line y = -1/2x +5

Mathematics
1 answer:
shusha [124]3 years ago
4 0

Step-by-step explanation:

or,y=-1/2X+5

or,y=-2x+5

or,y=-3x

3=x/y,,

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Solve for x. PLZ WAIT FOR PHOTO
Snezhnost [94]
Δ = b^2 - 4.a.c = 4 - 4.6.3 = -68< 0

rootΔ = root(-68)

no real solutions :) Cause -68 not positive.

Good Luck :)
7 0
3 years ago
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Evaluate the following expression. −8 × (−10) −7× 1/−1
GaryK [48]

Answer:

<h2>87</h2>

Step-by-step explanation:

-8\left(-10\right)-7 \times \frac{1}{-1}=87\\\\\mathrm{Apply\:rule}\:-\left(-a\right)=a\\\\=8\times \:10-7\times \frac{1}{-1}\\\\8\times \:10=80\\\\7\times \frac{1}{-1}=-7\\\\=80-\left(-7\right)\\\\\mathrm{Apply\:rule}\:-\left(-a\right)=a\\\\=80+7\\\\=87

3 0
3 years ago
Help on both 13 and 14. Show work please
Allushta [10]
13. Picture is cut off. Insufficient information is shown.

14. ST = 2×(XY)
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5 0
3 years ago
What is the scale factor of the dilation?
Mars2501 [29]

Answer:

Step-by-step explanation:

2/5

5 0
3 years ago
The coordinates of quadrilateral PQRS are P(0, 0), Q(a + c, 0), R(2a + c, b), and S(a, b). How can you use coordinate geometry t
Flauer [41]
We will use the formula for the slope:
m = ( y2- y1 ) / ( x2 - x1 )
For PQ : m = ( 0 - 0 ) / ( a + c - 0 ) = 0
For RS : m = ( b - b ) / ( a - ( 2a + c )) = 0
Both slopes are m = 0, so PQ and RS are parallel to x - axis and at the same time parallel to each other ( PQ | | RS ). One pair of opposite sides is parallel.
8 0
3 years ago
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