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Delicious77 [7]
3 years ago
15

Shen picks a rational number.What is true about the opposite of his number?

Mathematics
2 answers:
iogann1982 [59]3 years ago
5 0
A lot depends upon your interpretation of "opposite."  Do you mean "reciprocal?"

If you give the number a, the reciprocal would be 1/a.  Is that what you mean?

Or do you mean "the number with opposite sign?"  If you give the number b, "the number with opposite sign" would be -b.

Consider both cases.  Choose a rational number (such as 7/8).  Find the reciprocal of this number.  Find the number with opposite sign of this number.
Mama L [17]3 years ago
3 0

Answer:

It is the same distance from zero as his original number

Step-by-step explanation:

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Question 14(Multiple Choice Worth 5 points)
ddd [48]

Answer:

Find all polar coordinates of point P where P = (5 , -pi+%2F6 ).

There are two sets of possibilities.

(1) Same (positive) magnitude and an angle that is the same as the given angle, or differs from the given angle by an even multiple of pi:

P = (5, -pi%2F6%2B2n%2Api )

(2) Opposite (negative) magnitude and an angle that differs from the given angle by an odd multiple of pi:

(-5, -pi%2F6%2B%282n%2B1%29pi)

answer is: (5,-pi%2F6+%2B+2n%2Api) or (-5, -pi%2F6%2B%282n%2B1%29pi)

7 0
3 years ago
Read 2 more answers
Please help. i not smart
____ [38]

Answer:

It is hard to see the numbers.

But I am pretty sure it is 6x+6.

Step-by-step explanation:

Hope this helps! :D

4 0
3 years ago
Someone answer this please
irina [24]

Answer:

y = - 27/5

Step-by-step explanation:

4(3) - 5y = 39

12 - 5y = 39

-5y = 39 - 12 = 27

y = - 27/5

7 0
3 years ago
Kara’s car used 1/16 gallons of gas to drive 1/8 of a mile at this rate how many miles can Kara’s car drive using one gallon of
marissa [1.9K]
Answer is 2 miles
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8 0
2 years ago
Please answer thank you !!!
BartSMP [9]

Answer:

-3x³ - 4x² + x - 9

Step-by-step explanation:

 -5x³ + 2x² + x - 7

- <u>(-2x³ + 6x² + 0 + 2)</u>     remember:  when you subtract, you 'add the opposite'

 -3x³ + (-4x²) + x + (-9)

8 0
3 years ago
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