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Kipish [7]
3 years ago
8

The equations of four lines are given. Identify which lines are perpendicular. HELP PLEASE!!

Mathematics
1 answer:
Artemon [7]3 years ago
5 0

None of the lines are perpendicular

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If AB=BC,AB=4=4x-2,andBC=3x+3,fine the length of AB
laila [671]

Answer:

18

Step-by-step explanation:

First, I'm assuming AB=4=4x-2 was a typo and it's supposed to be AB = 4x - 2

AB=BC

AB = 4x - 2 BC = 3x + 3

4x - 2 = 3x + 3

Solve for x Add 2 to each side

4x - 2 = 3x + 3

4x - 2 + 2 = 3x + 3 + 2

4x = 3x + 5 Subtract 3x from each side.

4x - 3x = 3x- 3x + 5

4x - 3x = 5

x = 5

Now plug back in to the original equations

AB = 4x - 2                  BC = 3x + 3

AB = 4 (5) - 2               BC = 3(5) + 3

AB = 20 - 2                  BC = 15 + 3

AB = 18                        BC = 18

So AB is 18

3 0
3 years ago
The length of a quarter is 0.953 inch. round the length of a quarter to the nearest tenth of an inch
liraira [26]

Answer:

1 inch

Step-by-step explanation:

The 9 is in the tenths place so you look to the hundredths place and if the number is greater than or equal to 5 then the 9 can round up.

The hundredths place is 5 so the 9 rounds up and since it can not round up in the tenths place you put the rounding in the front so the answer is 1 inch.

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3 years ago
Need help ASAP <br><br> HELP PLEASEE
Leokris [45]
A. Categorical
b. I think walking group (I’m not sure)
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6 0
3 years ago
Please someone help me
Katena32 [7]

Answer: B.) -4+3

Step-by-step explanation:

The model represents "-4+3" because the blue arrow (top) stops at 3 which is a positive and the red arrow (bottom) stops at -4 which is a negative.

8 0
3 years ago
What is the positive solution to the equation 0=⅓x²-3
sammy [17]
Add 3, multiply by 3, and take the positive square root.
  3 = (1/3)x²
  9 = x²
  √9 = 3 = x

The positive solution to the equation is x = 3.
7 0
3 years ago
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