3 years ago

MATH QUESTION DOWN BELOW

Mathematics

1 answer:

likoan [24]3 years ago

4 0

The answer is C, 6x - 5 > -29 = x > -4.

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Plz, Help me with this question.

UNO [17]

Answer:

first option

Step-by-step explanation:

Given

area = 15x - 9 ← factor out 3 from each term

= 3(5x - 3)

Thus the dimensions are 3 by (5x - 3)

6 0

3 years ago

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Where does a median drawn from a vertex of a triangle intersect

olga2289 [7]

The median drawn from a vertex of a triangle intersects the opposing side at the mid point.

The three medians of a triangle intersect in a point named centroid, but that is another story.

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3 years ago

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Use the parabola tool to graph the quadratic function f(x)=−5x2−2.

alexira [117]

$\text{Consider the quadratic function}\\
\\
f(x)=-5x^2-2\\
\\
\text{For a quadratic equation, }f(x)=ax^2+bx+c, \text{ we know that the x-coordinate}\\
\text{of the vertex (h,k) is given by}\\
\\
h=\frac{-b}{2a}\\
\\
\text{on comparing the given equation with standard equation, we have}$

$a=-5, b=0, c=-2\\
\\
\text{so the x-coordinate of the vertex is }\\
\\
h=-\frac{b}{2a}=-\frac{0}{2(-5)}=0\\
\\
\text{so plug this vlaue of the h in the given function to get the y-coordinate}\\
\text{of the vertex. so}\\
\\
f(x)=-5(0)^2-2=0-2=-2\\
\\
\text{hence the vertex of the parabola is: }(h,k)=(0,\ -2)\\
\\
\text{A second point on the graph can be found by putting x=1, so }\\
\\
f(1)=-5(1)^2-2=-5-2=-7\\
\\
\text{so one other point on the parabola is }(1,-7)$