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Aleksandr [31]
3 years ago
15

The numbers -1/5 and -5 are 'negative reciprocals.' True or False?

Mathematics
1 answer:
Maslowich3 years ago
7 0

Answer:

False

Step-by-step explanation:

The negative reciprocal of -1/5 would be 5, and the negative reciprocal of -5 is 1/5. A way to double-check is all negative reciprocals add to -1.

-1/5 + -5= -5 1/5

Hope this helps and you understand negative reciprocals more for future problems ahead.

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Solve for x<br><br> 4/7<br><br> 3/7<br><br> 12.5<br><br> 12<br><br> (i have a few more also)
poizon [28]

Answer:

12

Step-by-step explanation:


4 0
3 years ago
Please please please help!! i need this asap and i have no where else to go!
nadezda [96]
1   1   1        2
2  -3   1      -11            -2R1 + R2 → R2
-1  2  -1        8                R1 + R3 → R3

1    1    1      2
0    -5  -1   -15             R2 ⇔ R3
0    3    0     10

1    1    1      2
0    3    0     10             -R3
0   -5   -1    -15

1    1    1      2
0    3    0     10             1/3 R2
0    5    1     15

1    1    1      2                   -R2 + R1
0    1    0     10/3             -5R2 + R3
0    5    1     15

1    0    1      -4/3              
0    1    0     10/3             -R3 + R1
0    0    1      -5/3

1    0    0       1/3             
0    1    0     10/3           
0    0    1      -5/3

Therefore, x = 1/3, y = 10/3, z = -5/3
7 0
3 years ago
Read 2 more answers
Solve for the variable rin this equation: a(c+b)=d
strojnjashka [21]

Answer:

The answer is option A c=d-ab\a

Step-by-step explanation:

Solution,

here

a(c+b) =d

or, ac+ab=d

or, ac=d-ab

.:c=d-ab/a

hope it helps

good day ❤️✅

5 0
2 years ago
What is the factored form of the polynomial?
DENIUS [597]

Answer:

C.  (x + 4)(x + 5).

Step-by-step explanation:

We need 2 numbers whose product is + 20 and whose sum is + 9.

They are + 5 and + 4 , so

x2 + 9x +20

= (x + 4)(x + 5).

5 0
3 years ago
96,187 square miles. Round the area to the nearest ten.
UNO [17]

Answer:

96,190 sq m

Step-by-step explanation:

96,187

7 is greater than 5 so we round up

8 + 1 is 9

Therefore 96,187 rounded to the nearest ten is 96,190

Hope this helped~

Your local smart crackhead

7 0
3 years ago
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