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IceJOKER [234]
2 years ago
12

An algebraic expression for 2 times a number plus 5

Mathematics
1 answer:
natali 33 [55]2 years ago
8 0

Answer:

2x+5

Step-by-step explanation:

X represents the number in "2 times a number." You could insert any number into x.

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Find the minimum value of the parabola y = x2 + 10.
natulia [17]

Answer:

(0,10)

Step-by-step explanation:

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3 years ago
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Which statements describe a parabola? Check all that apply. A parabola is the set of all points equidistant from the directrix a
katen-ka-za [31]

Answer:

A parabola is the set of all points equidistant from the directrix and focus.

The line of symmetry intersects the focus and directrix

The line of symmetry and the directrix are perpendicular

Step-by-step explanation:

A parabola is the set of all points in a plane that are equidistant from a fixed point (focus) and a line (directrix).

The fixed line of a parabola is known as the directrix of the parabola.

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The directrix of a parabola does not intersect touch the parabola

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3 years ago
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Which of the following equations represents a horizontal line through (5,-3)?
Snowcat [4.5K]
X=5 vertical all the best
3 0
3 years ago
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What is the domain of the square root function graphed below?
melisa1 [442]
You can see that the function is graphed for every number x that is greater than or equal to zero.

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4 0
2 years ago
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simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2. 2 square root of 8 8 square root
Alex787 [66]

<u>Answer</u>

8√2


<u>Explanation</u>

Simply: 4√2 + 7√2 - 3√2

Let √2 = x

4√2 + 7√2 - 3√2 = 4x + 7x - 3x

                             = 11x - 3x

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Substituting x with √2

4√2 + 7√2 - 3√2 = 8√2

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