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ollegr [7]
3 years ago
6

If two lines are perpendicular to each other their slopes are

Mathematics
1 answer:
Anarel [89]3 years ago
3 0
Positive slope and negative slope so one line is negative and the other is positive
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Help! It says that I need to determine If both equations represent lines which are parallel, perpendicular, or none...
12345 [234]
    4x + 2y = 8     (1)
    8x + 4y = -4y  (2)

A) Two lines are parallel if they have the same gradient
       - putting both equations into the gradient- intercept form ( y = mx + c                where m is the gradient)
            (1) 4x + 2y = 8
                          2y = 8 - 4x
                            y = -2x + 4
             
            (2) 8x + 4y = -4y
      <span>                    </span>8x = -4y - 4y
                            y = \frac{-8x}{-8}
                            y = -x
   <span>Thus the gradient of the two equations are different and as such          the two lines are not parallel
</span>
B)  When two lines are perpendicular, the product of their gradient is -1
                   m_{1} * m_{2} = p
                                             p = (-2) * (-1)
                                             p =  2
<span>          ∴ the two lines are not perpendicular either.</span>

Thus these lines are SKEWED LINES

4 0
3 years ago
What’s A cylinder with a radius of 8yd and a 12 height of yd
steposvetlana [31]

Answer:

192π yd²

Step-by-step explanation:

Surface area of a cylinder = 2πrh

Given,  r = 8yd , h = 12yd

S. A = 2 × π × 8 × 12

S. A = 192π yd²

I hope this was helpful, please mark as brainliest

7 0
2 years ago
1. In a city in Ohio, the sales tax rate is 7.25%. Complete the table to sho
lawyer [7]

Answer

the answer is 76%

Step-by-step explanation:

I did all my equations and showed my work

7 0
3 years ago
Jackson played a video game for 1/6 for hour. Hailey played a video game for 1/3 hour. Who played the video game for a greater a
viva [34]

Answer:

hailey played the game longer (1/3 hour).

Step-by-step explanation:

You are deciding which is greater: 1/6 or 1/3.in this case, a smaller denominator (such as 3) produces a greater value.1/3 has a smaller denom. than does 1/6, so 1/3 is greater than 1/6.hailey played the game longer (1/3 hour).

5 0
3 years ago
D=rt What does T equal? Lol how is this possible
vampirchik [111]

Answer:

t = D/r

Step-by-step explanation:

you rearrange the equation so that is the subject. when you bring something over the equal sign, it reverses the function so D = r×t becomes t = D/r

4 0
3 years ago
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