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MissTica
3 years ago
8

Lines m and n are perpendicular. If the slope of m is zero, then the slope of n is

Mathematics
2 answers:
WARRIOR [948]3 years ago
8 0
The slope of n should be Undefined
AleksandrR [38]3 years ago
7 0

Answer:

Undefined

Step-by-step explanation:

You can deduce the solution in two ways: if the slope of m is zero, it is horizontal. So, n is vertical because it must be perpendicular to n. Vertical lines have undefined slope.

Alternatively, if the slope of line m is k, the slope of a perpendicular line n is -1/k. So, if k=0, you can't compute -1/0.

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Simplify: 3(2x-y)-(5x+4y-2) <br>Please show steps
il63 [147K]

Answer:

6 x ^2 − 5 x y − 4 y ^2

Step-by-step explanation:

Expand  

( 2 x + y ) (3 x − 4 y )

using the FOIL Method.

Apply the distributive property.

2 x ( 3 x − 4 y ) + y ( 3 x − 4 y )

Apply the distributive property.

2 x ( 3 x )+ 2 x (− 4 y ) + y ( 3x − 4 y )

Apply the distributive property.

2 x ( 3 x ) + 2 x( − 4 y ) + y ( 3 x) + y ( −4 y )

Simplify and combine like terms.

6 x ^2 − 5 x y − 4^ 2

7 0
3 years ago
Read 2 more answers
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ratelena [41]

Answer:

Obtuse

Step-by-step explanation:

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Since the hypotenuse is bigger, the triangle is obtuse

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2 years ago
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To select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles th
Ainat [17]

Answer:

We conclude that  a researcher  used simple random sample.

Step-by-step explanation:

We know that select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles the papers in a hat and randomly picks five names.  

We conclude that  a researcher  used simple random sample.

Because every children  has an equal chance of being included in the sample.

7 0
3 years ago
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olasank [31]

Answer:

16 days

Step-by-step explanation:

108/9 is 12. The late fee is 12¢ per day. 16x12 is 192.

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3 years ago
a box of crackers says that now it contains 15% more. Originally it came with 12 ounces of crackers. how many crackers does the
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Answer:

It comes with 13.8 ounces of crackers now.

Step-by-step explanation:

12 + 15% = 13.8

6 0
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