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gizmo_the_mogwai [7]
3 years ago
8

Which of the following equations have exactly one solution?

Mathematics
1 answer:
Sonja [21]3 years ago
7 0

Answer:

B.

Step-by-step explanation:

Because if you subtract 19x and 18 from each side it wont be 0=0, in other equatins there is infinity solutions

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Brrunno [24]
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Help with this math question please
Cloud [144]
A = P( 1 + rt)
A/P = 1 + rt
A/P - 1 = rt
t = (( A/P)) - 1)/r


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3 years ago
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Write as a product: ax^2+ay^2–bx^2–by^2+b–a
Vesna [10]

Answer:

\large\boxed{ax^2+ay^2-bx^2-by^2+b-a=(a-b)(x^2+y^2-1)}

Step-by-step explanation:

ax^2+ay^2-bx^2-by^2+b-a\\\\=(ax^2-bx^2)+(ay^2-by^2)+(b-a)\qquad\text{use the distributive property}\\\\=x^2(a-b)+y^2(a-b)-1(a-b)\\\\=(a-b)(x^2+y^2-1)

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The two-way table shows the number of students in a school who have rabbits and/or birds as pets:
SashulF [63]

Answer:

3

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