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Leviafan [203]
2 years ago
15

Need help asap i have 25minutes left

Mathematics
1 answer:
Yakvenalex [24]2 years ago
3 0

bac=57

Step-by-step explanation:

lmk=50

abc= 63 (if they are parallel)

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Determine if AB¯¯¯¯¯¯¯¯ and CD¯¯¯¯¯¯¯¯ are parallel, perpendicular, or neither. Given: A (−1, 3), B (0, 5), C (2, 1), D (6, −1)
dolphi86 [110]

Answer:

perpendicular

Step-by-step explanation:

To determine if AB and CD are  parallel, perpendicular, or neither, we need to get the slope of AB and CD first

Given A (−1, 3), B (0, 5),

Slope Mab = 5-3/0-(-1)

Mab = 2/1

Mab = 2

Slope of AB is 2

Given C (2, 1), D (6, −1)

Slope Mcd = -1-1/6-2

Mcd = -2/4

Mcd = -1/2

Slope of CD is -1/2

Take their product

Mab * Mcd = 2 * -1/2

Mab * Mcd = -1

Since the product of their slope is -1, hence AB and CD are perpendicular

5 0
2 years ago
PLEASE HELP ME <br><br> I need help so please help me
Y_Kistochka [10]

Answer:

2/7

Step-by-step explanation:

This is because the slope is positive so that gets rid of both of the negatives, and the line is not straight but if the line was horizontally straight then your slope would be zero. So I just did process of elimination.

8 0
3 years ago
Read 2 more answers
What Is the answer to 10ac-x/11=-3
cestrela7 [59]
  1. Multiplty both sides by 11. 11 times 11 cancels out, 11 times -3 equals -33. You should get 10ac - x = -33
  2. Add  x  to both sides:   10 a c = x − 33
  3. Divide both sides by  10 c :   a = x − 33 /10c

revised tada!

4 0
3 years ago
Can somebody please help me I’ll mark brainliest
LenKa [72]
The answer would be 34, here is my work

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3 years ago
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