3 years ago

Which of the following expressions have a sum of 0? -8+(-8) 9+(-9) -12+12 52+52

2 answers:

Lilit [14]3 years ago

5 0

-12+12 its the right answer

irina [24]3 years ago

4 0

-12+12 is the answer

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Daniel [21]

3/7 or 3:7 because you tossed the dice 7 times and got an even number 3 of those times.

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Damm [24]

34 ÷ 8 = 4 (remainder 2)
4 2/8 = 4 1/4
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Stolb23 [73]

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lys-0071 [83]

Answer:

The discriminant is equal to zero

Step-by-step explanation:

If x=6 is the only x-intercept of the graph of a quadratic equation, the it means the quadratic equation has a repeated root.

When a quadratic equation has a repeated root, it means its discriminant is zero.

This means that

${b}^{2} - 4ac = 0$

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3 years ago