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valentinak56 [21]
3 years ago
6

Determine of which lines, if any, are parallel or perpendicular. Explain.

Mathematics
1 answer:
nalin [4]3 years ago
8 0

Answer:

lines b and c are perpendicular

Step-by-step explanation:

Use slope

slope for parallel is the same

slope for perpendicular is negative reciprocal

line a slope- 1-3/-2-0 is -2/-2 or 1

line b slope- 1-4/4-6 is -3/-2 or 3/2

line c slope- 3-1/1-4 is 2/-3 or - 2/3

none are the same so none are parallel

- 2/3 is the negative reciprocal of 3/2 so lines b and c are perpendicular

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The standard form of the equation of a parabola is y= x2 - 8x + 29.
fomenos

Answer:

A

Step-by-step explanation:

Put brackets around the first two tems.

y = (x^2 - 8x) + 29

Take 1/2 coefficient of the linear term -8. Square that result. Add it inside the brackets.

1/2 (- 8) = - 4

(- 4)^2 = 16

y = (x^2 - 8x + 16) + 29

Subtract 16 outside the brackets.

y = (x^2 - 8x + 16) + 29 - 16  

Do the subtraction

y = (x^2 - 8x + 16) + 13

Represent what is inside the brackets as a square.

y = ( x - 4)^2 + 13

The answer is A

7 0
3 years ago
9/11 convert to decimal
Tasya [4]
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3 0
3 years ago
Ella needs a canvas that's 15 inches on one side and has area of 150 sq. ft what's the length of the missing side
Lunna [17]

Answer:

10

Step-by-step explanation:

150 divided by 15 is 10 and boom you have your answer

3 0
3 years ago
An office manager needs to decide between two tables for the conference room. One is rectangular, 5 feet wide by 10 feet long. T
zvonat [6]
Radius of circle= 4

a) circle circumference=2(pi)r
circumference=2(pi)4=25.13

P=2W+2L
p=2(5)+2(10)
P=30

b) area of circle=pi(r^2)=pi(16)=50.27
area of rectangle=L×W= 5×10= 50

c) I think you can figure it put
5 0
3 years ago
1 year = how many seconds? Last question in my h.w and idk how to do it:/
Novay_Z [31]
This should help
60 sec = 1min
60min = 1 hour
24hour = 1day
7 days = 1 week
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12 months = 1 year

or you could use 365 days and times that by 24 than times that by 60 to get mins and again by 60 to get seconds.

hope this helps 
5 0
3 years ago
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