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Tanzania [10]
3 years ago
15

Are the following lines parallel, perpendicular, or neither? -4x-5y=-4 and 10x-8y=-1

Mathematics
2 answers:
Vesnalui [34]3 years ago
8 0

Answer:

perpendicular

statuscvo [17]3 years ago
5 0

They are neither parallel nor perpendicular as they have different slopes.

First line equation in form of y = mx +c is:

y = (4x-4)/5

and second line equation is :

y= -((10x+1)/8)

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What theorem or postulate can be used to justify that the two triangles are congruent? Write the congruence
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A

Step-by-step explanation:

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Margo’s dog, named Todd, weighed 120 pounds last year. She now weighs 180 pounds. What is the percent of change
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3 0
3 years ago
Identify the slope by converting standard form into slope-intercept form.<br> 12x - 9y = -9
Novosadov [1.4K]

Answer:

4/3

Step-by-step explanation:

12x-9y=-9

9y=12x-(-9)

9y=12x+9

y=12/9x+9/9

y=4/3x+1

y=mx+b where m=slope and b=y-intercept,

so the slope is 4/3

8 0
2 years ago
The graph of a linear function is shown on the grid. (-3,3.6) (5,2) What is the rate of change of y with respect to x for this f
lilavasa [31]

Answer:

rate of change = -0.32

Step-by-step explanation:

Rate of change = slope,m

m =  \frac{y2 - y1}{x2 - x1}  \\ m =  \frac{3.6 - 2}{ - 3 - 2}  \\ m =  \frac{1.6}{ - 5}  \\ m =  \frac{ - 0.32}{1}

8 0
3 years ago
Read 2 more answers
Solve the system of equations below x-2y=3 <br><br> 2y-3y=9
Crank
First you solve 2y-3y=9.
2y - 3y = 9 \\ subtract \: 2y \: and \: 3y \\  - y = 9 \\  divide \: by \:  - 1 \\ y =  - 9
Now that you have y, then you substitute y into x-2y=3 to find X

x - 2( - 9) = 3 \\ multiply \:  - 9 \times  - 2 \\ x + 18 = 3 \\ subtract \: 18 \: on \: both \: sides \\ x =  - 15
Your solution is (-15, -9)
6 0
3 years ago
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