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viva [34]
3 years ago
6

Which phrase represents the algebraic expression for r + 12?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
7 0
The answer to your question is D
Softa [21]3 years ago
6 0

Answer: D) The sum of a number and twelve

==================================================

Explanation:

r = an unknown number

r+12 = sum of the unknown number and 12

The term "sum" refers specifically to the result of an addition problem.

As another example, saying 2+3 = 5 has a sum of 5.

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3 years ago
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The graph of which function has an axis of symmetry at x = 3? f(x) = x2 3x 1 or f(x) = x2 – 3x – 3 or f(x) = x2 6x 3 or f(x) = x
Wittaler [7]
For
ax^2+bx+c
the axis of symmetry is -b/2a


first one
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3 years ago
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iogann1982 [59]
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7 0
3 years ago
Which of the following correctly uses absolute value to show the distance between −50 and 12?
Softa [21]

Answer:

 62 units

Step-by-step explanation:

The absolute value of a number A is the positive distance between 0 and the number A (you can think this distance as the distance measured with a ruler from 0 to the number). For example:

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Note that the absolte value is always positive.

The distance between two numbers P,Q in the real line is the absolute value of the difference between the two points:

Hence, the distnce between P=-50 and Q=12 is equal to

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Answer:

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1 pints out of every 1.2 gallons.

7 0
3 years ago
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