Write two addition sentences where the sum is zero. Describe the numbers.

Mathematics

2 answers:

Neko [114]3 years ago

6 0

0+0=0 0+0=0+0

They are all addition, and they are all 0, and since 0 equals nothing, the sum is equivalent to 0!

Paha777 [63]3 years ago

6 0

Answer:

1) 0+0=0

2) -7+7=0

Step-by-step explanation:

To Find :Write two addition sentences where the sum is zero.

Solution:

1) 0+0 = 0

Since we know that the sum of 0 and 0 is 0

So, the first addition sentence where the sum is zero. is 0+0=0

2)-7+7=0

Sum of numbers with equal values but opposite signs is 0 i.e. sum of of positive and negative integer with same value is 0.

So, the second addition sentence where the sum is zero is -7+7=0

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What is 6x^2-2x+1=0 plz help

Kazeer [188]

6x^2 - 2x + 1 is a quadratic formula from the form ax^2 + bx + c. This form of equation represents a parabola.
Finding 6x^2 - 2x + 1 = 0, means that you need to find the zeroes of the equation.
Δ = b^2 - 4ac
If Δ>0, the equation admits 2 zeroes and 6x^2 - 2x + 1 = 0 exists for 2 values of x.
If Δ<0, the equation doesn't admit any zero, and 6x^2 - 2x + 1 = 0 doesn't exist since the parabola doesn't intersect with the axe X'X
If Δ=0, the equation admits 1 zero, which means that the peak of the parabola is touching the axe X'X.

In 6x^2 - 2x + 1, a=6, b=-2, and c =1.
Δ= b^2 - 4ac
Δ=(-2)^2 - 4(6)(1)
Δ= 4 - 24
Δ= -20
Δ<0 so the parabola doesn't intersect with the Axe X'X, which means there's no solution for 6x^2 - 2x + 1 = 0.

I've added a picture of the parabola represented by this equation under the answer.

Hope this Helps! :)