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AleksAgata [21]
3 years ago
14

Line j passes through points (9, 6) and (6, 8). Line k passes through points (7, 9) and (5, 6). Are line j and line k parallel o

r perpendicular?
Mathematics
1 answer:
m_a_m_a [10]3 years ago
8 0

9514 1404 393

Answer:

  perpendicular

Step-by-step explanation:

A graph shows the lines are not parallel. The lines are perpendicular.

__

j has a slope of -2/3 (down 2 for each 3 to the right)

k has a slope of 3/2 (up 3 for each 2 to the right)

These slope values have a product of 1, typical of perpendicular lines.

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Find the value of the expression 6x + 3xy, when x = 2 and y = 4.
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<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ Substitute in the values:

6(2) + 3(2)(4)

Now just solve:

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<h3><u>✽</u></h3>

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7 0
4 years ago
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The number of years from the start of the Great Depression to the first presidential election of Richard Nixon is six years less
svp [43]

Answer:

Raul's age is 15 years.

Step-by-step explanation:

r represents Raul's age.

The number of years from the start of the Great Depression to the first presidential election of Richard Nixon is six years less than three times Raul's age.

The first presidential election happened 39 years after the Great Depression and six years less than three times Raul's age is 3r - 6.

Therefore, 3r - 6 = 39

Add 6 to both sides.

3r = 45

Divide both sides by 3.

r = 15

Hence, Raul's age is 15 years.


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Help not very good at this
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Step-by-step explanation:

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3 years ago
5 Solve for x. 8 = 2x + 4​
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Answer:

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3 years ago
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