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Lena [83]
3 years ago
8

A rational expression is undefined whenever its numerator is zero.

Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Answer:

False

Step-by-step explanation:

for a rational number expressed as (A / B) where A & B are integers

if the numerator (A) is zero, then (A/B) is simplify zero

i.e (A / B) = (0 / B) = 0

however if the denominator (B) is zero, then by definition any value divided by zero is undefined.

(A / B) = (A / 0) = {undefined}

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-4x - 6y = 6<br> 4x + 6y = -4
Sloan [31]

Step-by-step explanation:

-4x - 6y = 6

4x + 6y = -4

To solve a system of equations, we can add the two equations and solve for one of the remaining variables -- let's try to eliminate the x variable when we add the two equations together.

Right now, there's a -4x term in the first equation, and a 4x term in the second equation, so if we add those together, we'll be able to eliminate the x variable altogether and solve for y.

However, when we also have a -6y term in the first equation and 6y term in the second equation, so adding these together will also eliminate the y term, leaving a 0 on the left-hand side of the equation.

If we add the two numbers on the right side of the equation, we get -2, which does not equal 0, meaning there are no solutions to this system of equations.

3 0
3 years ago
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anygoal [31]

Answer:

the answer is 1/2 and then 3/4

3 0
3 years ago
66 dollars is fifteen % of what amount
inn [45]
66 is 15% of what amount....
66 = 0.15x
66/0.15 = x
440 = x......so $ 66 is 15% of $ 440
8 0
3 years ago
Feng has a toy car collection he keeps 324 of the toy cars on his wall which is 81% of his entire collection what is the total n
jeka94

Answer:

400

Step-by-step explanation:

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7 0
3 years ago
1. Find the possible values for s in the inequality 12s – 20 ≤ 50 – 3s – 25
hjlf
12s - 20 < 50 - 3s - 25

12s - 20 < 25 - 3s
+3s. +3s

S cancels

15s - 20 < 25
+ 20. +20

15s < 45
/15. /15

S < or equal to 3
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3 years ago
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