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garri49 [273]
3 years ago
14

A team earns 2 points for a win. 1 point for a draw and no point for a loss. The table below shows the points earned by Trinidad

netballers at a world tournament. Results won - 12 points, draw- 3 points, lose - 0 points. What % of the total points did they gain in "Draws"
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
7 0

Answer:

3 point in draw

Step-by-step explanation:

because the trinidad netballer draw and got 3 points

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What is the type of symmetry on the graph..neither, odd, or even?
Sloan [31]

Answer:

Step-by-step explanation:

Knowing whether a function is even or odd helps you to graph it because that information tells you which half of the points you have to graph. These types of functions are symmetrical, so whatever is on one side is exactly the same as the other side. If a function is even, the graph is symmetrical about the y-axis. If the function is odd, the graph is symmetrical about the origin.

• Even function: The mathematical definition of an even function is f(–x) = f(x) for any value of x. The simplest example of this is f(x) = x2 because f(x)=f(-x) for all x. For example, f(3) = 9, and f(–3) = 9. Basically, the opposite input yields the same output.

Visually speaking, the graph is a mirror image about the y-axis, as shown here.

• Odd function: The definition of an odd function is f(–x) = –f(x) for any value of x. The opposite input gives the opposite output. These graphs have 180-degree symmetry about the origin. If you turn the graph upside down, it looks the same.

The example shown here, f(x) = x3, is an odd function because f(-x)=-f(x) for all x. For example, f(3) = 27 and f(–3) = –27.

7 0
3 years ago
Find the standard form of the equation of the parabola with a vertex at the origin and a focus at (0, -7).
creativ13 [48]
So hmm check the picture below

we know the vertex is at the origin, and the focus point is below it, that means two things, the parabola is vertical and it's opening downwards

notice the distance "p", from the vertex to the focus point, is just 7 units, however, since the parabola is opening downwards, the "p" value will be negative, so p = -7

\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
(y-{{ k}})^2=4{{ p}}(x-{{ h}}) \\\\
\boxed{4{{ p}}(y-{{ k}})=(x-{{ h}})^2 }\\
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
{{ p}}=\textit{distance from vertex to }\\
\qquad \textit{ focus or directrix}
\end{array}\\\\
-------------------------------\\\\
4{{ p}}(y-{{ k}})=(x-{{ h}})^2\quad 
\begin{cases}
h=0\\
k=0\\
p=-7
\end{cases}\implies 4(-7)(y-0)=(x-0)^2
\\\\\\
-28y=x^2\implies y=-\cfrac{1}{28}x^2

8 0
3 years ago
A set of data has a mean of 0.5 and a standard deviation of 0.01. A data point of the set has a z-score of 2.5. What does a z-sc
sweet-ann [11.9K]

Answer:

DDDDDDDDDDD

Step-by-step explanation:

Just took the quiz on Edge

3 0
3 years ago
What is the common ratio of the following sequence?<br> -5, -20, -80,...
grin007 [14]

Answer:

Multiply by 4

Step-by-step explanation:

The next number would be -320

8 0
3 years ago
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After paying eight dollars for the pie, Sam has seventy - one dollars left. How much money did he have before buying the pie?
Leya [2.2K]
79 dollars is the correct answer
3 0
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