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koban [17]
4 years ago
11

determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x-4y=-5 8x+6y=-5 show full w

ork please and thank you
Mathematics
2 answers:
vivado [14]4 years ago
7 0
3x - 4y = -5
4y = 3x + 5
y = (3/4)x + 5/4

8x + 6y = -5
6y = -8x - 5
y = -(8/6)x - 5/6
y = -(4/3)x - 5/6

Because the slopes are negative reciprocals, the lines are perpendicular.
Nataly [62]4 years ago
3 0
What are the solutions of the equation x4 – 5x2 – 14 = 0? Use factoring to solve.
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Geometry; two column proof
vovangra [49]

Answer:

1) Given

2) Definition of Midpoint

4) Substitution PoE

5) 4x=16

6) Divison PoE

Step-by-step explanation:

1) is given because it is given.

2) Should be definition of midpoint because a midpoint bisects a line, meaning both sides are congruent.

4) is substitution because, like aforementioned, AC=6x and CD=2x+16, so substitute those numbers in the equation.

5) is 4x=16 because that's what happens when you subtract 6x-2x.

6) should be division PoE because to isolate x you need to divide by 4.    

7 0
4 years ago
PLS HELP ME!
Phantasy [73]

Answer:

Step-by-step explanation:

just add

3.17

1.15

2.26

-------

 7. 48 lbs

im pretty sure

4 0
3 years ago
5x - 7(2- 4x) = <br> 8 - 3(6 - 6x) =<br> 9a - 4(2a + 5) =
kati45 [8]

Answer:

the answer to 5x-7(2-4x)= =33x−14

the answer to 8 - 3(6 - 6x) ==18x−10

the answer to 9a - 4(2a + 5) ==a−20

Step-by-step explanation:


8 0
4 years ago
Quadratic equations<br>help me pliss​
Natalija [7]
It’s the third option
7 0
3 years ago
Hellllppp math!!!!!!!
natima [27]

Answer:

3, 4, 5, 6

Step-by-step explanation:

they are on the inside and that's what interior is

3 0
4 years ago
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